Rectangular Duct 2010
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Transcript of Rectangular Duct 2010
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
RECTANGULAR DUCTS
- Slip & Drive- Slide-on Flange- Companion Angle
I - Rectangular Ducts:
II - Rectangular Ducts Welded
DVAC
DVAC
Is One Of The Premium Workshops For The Duct Fabrication & Fittings.
Has Executed Residential, Governmental, Commercial, Industrial, and Institutional Projects.
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
- Slip & Drive- Slide-on Flange- Companion Angle
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
Fabrication Procedure
Bill Of Quantities Model
Longitudinal Seams
Fittings
Splitter Damper
Acoustic Liner Installation
Plenum Box
Slip & Drive
CompanionAngle
Slide-on Flange
Suspension Flanges
Construction Schedule - SMACNA1"
Construction Schedule - SMACNA2”
Construction Schedule - SMACNA3”
Construction Schedule - SMACNA4”
Construction Schedule - DW/144 500 Pa
Construction Schedule - DW/144 1000 Pa
Construction Schedule - DW/144 2000 Pa
Page
Longitudinal Seams and Connection
Fittings
I - Rectangular Ducts: - Slip & Drive - Slide-on Flange - Companion Angle
II - Rectangular Ducts Welded
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Table of Contents
Tables: - Coating Mass (Weight) - GI Thicknesses - Weight of GI Steel
DOHA QATAR PHONE: +974 4500118 +974 4500119 FAX: +974 4500117
FABRICATION PROCEDURE:
According to The Drawing / Take Off Provided by The Client,
Engineers Start The Operation Production Following The Consequent Steps:
a ) Shop Drawings to be Prepared Using .
b ) Accurate B.O.Qs to be Issued Including Accessories And Connectors (Refer to Page 5).
c ) An Estimation of
DVAC
CADmep
The Cost Can be Provided to The Client Upon Issuance of B.O.Q.
d ) Fabrication Begins By Linked to CNC Machines Based On CAD-Duct Drawings.
e ) All Ductworks Are Fabricated According to Or .
f ) Each Item to be Numbered On The Drawing Provided, Fabricated Items to be Labeled;
Each Label Shows The Project Name, Customer Name, Job Ref., Item Number, Item Description
( ), Size & Length, Thickness, Weight And Area.
g ) QA/QC to be Made For Each Item Before Collection (Delivery).
CAMDuct
SMACNA DW 142/144
Straight Duct, Elbow, Tee, VCD, VAV, Silencer, Etc...
S7 S7 S7 S13S14
S12
S10
S11
S2
S11
S2
S11
S2
S9
S8
S8
S5
S4
S4
S1
S2 S2
S2S2S3 S3
S3 S3
S6
S6 S6
S6
R2 R2R1 R1R3
R4 R4
R5 R5
500X200 500X200
600X300
500X300
350X300
BOD 2800
BOD 2800
BOD 2800BOD 2800
BOD 2450BOD 2450
BOD 2450BOD 2450
BOD 2450PB 300X300X3000
FCU - 42TX-036
4 Back to Index
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
Fabrication Procedure
5 Back to Index
Customer: M/S. (Customer Name)
Project : (Project Name) Bill Of QuantitiesJob Ref.:
Tel: Fax:
Page: 1/2
Contact Person:Job Date: 17/02/2010 Printing Date: 20/02/2010
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
FCU - 42TX-036
Item No. Description Qty Width Height Length Total Length (m) Slot Dimension Neck Slot Collar Collar
(mm) (mm) (mm) (mm) Length (mm) Diameter Qty
S12 Slot Plenum 1 300 300 3000 3.00 150 100 200 3
1 3.00 3
MATERIALS:
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
S3 Flex 4 200 1200 (mm)
S11 Flex 3 200 600 (mm)
MATERIALS: GALVANIZED x 0.60
R2 Straight 2 500x200 1190 (mm) 1.75 3.49 8.36 16.72
S7 Straight (Coil) 4 350x300 1190 (mm) 1.62 6.48 7.78 31.09
S8 Straight (Coil) 2 500x300 1190 (mm) 1.99 3.97 9.53 19.06
S4 Straight (Coil) 2 600x300 1190 (mm) 2.23 4.46 10.70 21.40
S13 Cap End(Alt) 1 350x300 0 (mm) 0.25 0.25 1.20 1.20
S14 Straight (Cut) 1 350x300 560 (mm) 0.79 0.79 3.77 3.77
S9 Drop Cheek Bend 1 500x300 90 1.38 1.38 6.62 6.62
S5 Taper 1 600x300 360 (mm) 1.06 1.06 5.07 5.07
MATERIALS: GALVANIZED x 0.80
R4 Straight 2 500x200 1190 (mm) 1.75 3.49 11.15 22.29
R5 Taper 2 500x200 260 (mm) 1.00 2.00 6.40 12.80
R1 Radius Bend 2 500x200 90 1.70 3.39 10.84 21.68
MATERIALS: GALVANIZED x 1.00
R3 Breeches Piece 1 1234x200 200 (mm) 3.73 3.73 29.80 29.80
S1 Taper 1 1234x219 560 (mm) 1.99 1.99 15.90 15.90
Description: Slot Plenum, Insulation:
Description:
Item No. Description Qty Duct Size (mm) Length (mm)
S44 FCU - 42TX-036 1 1234x219 600 (mm)
1
Customer: M/S. (Customer Name)
Project : (Project Name) Bill Of QuantitiesJob Ref.:
Tel: Fax:
Page: 1/2
Contact Person:Job Date: 17/02/2010 Printing Date: 20/02/2010
MATERIALS:
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
S3 Flex 4 200 1200 (mm)
S11 Flex 3 200 600 (mm)
MATERIALS: GALVANIZED x 0.60
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
R2 Straight 2 500x200 1190 (mm) 1.75 3.49 8.36 16.72
S7 Straight (Coil) 4 350x300 1190 (mm) 1.62 6.48 7.78 31.09
S8 Straight (Coil) 2 500x300 1190 (mm) 1.99 3.97 9.53 19.06
S4 Straight (Coil) 2 600x300 1190 (mm) 2.23 4.46 10.70 21.40
S13 Cap End(Alt) 1 350x300 0 (mm) 0.25 0.25 1.20 1.20
S14 Straight (Cut) 1 350x300 560 (mm) 0.79 0.79 3.77 3.77
S9 Drop Cheek Bend 1 500x300 90 1.38 1.38 6.62 6.62
S5 Taper 1 600x300 360 (mm) 1.06 1.06 5.07 5.07
MATERIALS: GALVANIZED x 0.80
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
R4 Straight 2 500x200 1190 (mm) 1.75 3.49 11.15 22.29
R5 Taper 2 500x200 260 (mm) 1.00 2.00 6.40 12.80
R1 Radius Bend 2 500x200 90 1.70 3.39 10.84 21.68
MATERIALS: GALVANIZED x 1.00
Item No. Description Qty Duct Size Length/Angle Duct Total Duct Total Insulation Insulation
(mm) Area Area Weight Weight Area
R3 Breeches Piece 1 1234x200 200 (mm) 3.73 3.73 29.80 29.80
S1 Taper 1 1234x219 560 (mm) 1.99 1.99 15.90 15.90
Description: Slot Plenum, Insulation:
Description: FCU - 42TX-036
Item No. Description Qty Duct Size (mm) Length (mm)
S44 FCU - 42TX-036 1 1234x219 600 (mm)
1
Item No. Description Qty Width Height Length Total Length (m) Slot Dimension Neck Slot Collar Collar
(mm) (mm) (mm) (mm) Length (mm) Diameter Qty
S12 Slot Plenum 1 300 300 3000 3.00 150 100 200 3
1 3.00 3
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Prepared By: Customer Signature:
Approved By:
Prepared By: Customer Signature:
Approved By:
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Prepared By: Customer Signature:
Approved By:
Prepared By: Customer Signature:
Approved By:
Customer: M/S. (Customer Name)
Project : (Project Name) Bill Of QuantitiesJob Ref.:
Tel: Fax:
Page: 2/2
Contact Person:Job Date: 17/02/2010 Printing Date: 20/02/2010
Description: Linear Diffuser
Item No. Description Qty Duct Size (mm) Length (mm)
S10 Linear Diffuser 1 3000x150 25 (mm)
1
Description: Rnd Single Blade Damper
Item No. Description Qty Duct Size (mm) Length (mm)
S2 Rnd Single Blade Damper 7 200 200 (mm)
7
Description: Supply Plenum Box
Item No. Description Qty Duct Size (mm) Length (mm)
S6 Supply Plenum Box 4 450x450 100 (mm)
4
Description: Canvas Connection
Item No. Description Qty Duct Size (mm) Length (m)
R6 Canvas Connection 1 1234x200 2.87
S15 Canvas Connection 1 1234x219 2.91
2 5.78
MATERIALS: GALVANIZED
Gauge Total Area (sq m) Total Weight (kg)
0.60 21.85 104.88
0.80 8.87 56.76
1.00 5.72 45.69
36.43 207.32
Connector Name: S"S&D. SLIP
Total Length "S" Cleat (m) Total Length C Cleat (m) Qty "S" Cleat L.1220mm Qty C Cleat L.1220mm
27.97 12.39 23 11
Connector Name: S&D. SLIP
Total Length "S" Cleat (m) Total Length C Cleat (m) Qty "S" Cleat L.1220mm Qty C Cleat L.1220mm
10.26 8.55 9 8
Connector Name: Wire Mesh
Item No Depth (m) Width (m) Qty Area
R5 0.20 0.50 2 0.20
2 0.20
Customer: M/S. (Customer Name)
Project : (Project Name) Bill Of QuantitiesJob Ref.:
Tel: Fax:
Page: 2/2
Contact Person:Job Date: 17/02/2010 Printing Date: 20/02/2010
Description: Linear Diffuser
Item No. Description Qty Duct Size (mm) Length (mm)
S10 Linear Diffuser 1 3000x150 25 (mm)
1
Description: Rnd Single Blade Damper
Item No. Description Qty Duct Size (mm) Length (mm)
S2 Rnd Single Blade Damper 7 200 200 (mm)
7
Description: Supply Plenum Box
Item No. Description Qty Duct Size (mm) Length (mm)
S6 Supply Plenum Box 4 450x450 100 (mm)
4
Description: Canvas Connection
Item No. Description Qty Duct Size (mm) Length (m)
R6 Canvas Connection 1 1234x200 2.87
S15 Canvas Connection 1 1234x219 2.91
2 5.78
MATERIALS: GALVANIZED
Gauge Total Area (sq m) Total Weight (kg)
0.60 21.85 104.88
0.80 8.87 56.76
1.00 5.72 45.69
36.43 207.32
Connector Name: S"S&D. SLIP
Total Length "S" Cleat (m) Total Length C Cleat (m) Qty "S" Cleat L.1220mm Qty C Cleat L.1220mm
27.97 12.39 23 11
Connector Name: S&D. SLIP
Total Length "S" Cleat (m) Total Length C Cleat (m) Qty "S" Cleat L.1220mm Qty C Cleat L.1220mm
10.26 8.55 9 8
Connector Name: Wire Mesh
Item No Depth (m) Width (m) Qty Area
R5 0.20 0.50 2 0.20
2 0.20
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
I - Rectangular Ducts:Bill Of Quantities - Model
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
Grooved Corner Seam- Galvanized Up to 20 Gage
- Stainless Steel Up to 22 Gage
Grooved Seam- Galvanized 16 Gage Maximum
- Stainless Steel 20 Gage Maximum
Beading
Straight Ducts are Beaded or Crossbroken- Duct Sides that are 260mm and over, shall be
Crossbroken or Beaded.
Pittsburgh Lock Seam- Galvanized 16 Gage Maximum
- Stainless Steel 20 Gage Maximum
305
152.5
305
152.5
305
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
- SMACNA (2nd Edition-1995) See Pages 1.17/1.67/1.74- SMACNA (3rd Edition-2005) See Pages 2.10/2.113- DW/144 See Page 20
- Slip & Drive- Slide-on Flange- Companion Angle
I - Rectangular Ducts:
As per:
Longitudinal Seams
6
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
StraightStandard Length 1220mm
While Using Slip & Drive Length Will be 1190mm
Radius Bend
Drop Cheek BendCan be Applied to any Angle
Width - mm
400 - 800
Splitters
1
801 - 1600 2
1601 - 2000 3
Splitter Position
W/3 - -
W/4 W/2 -
W/8 W/3 W/2
A B C
C
E
A
L1
W x D
R
AB
C
W x D
R
W1 x D1
W2 x D2
Minimum Throat Radius = 100mmStandard Throat Radius = 150mmDVAC
Master Bend
Medium Radius Bend (as illustrated)
Can be Applied to any Angle
Similar but Radius = Width
Long Radius Bend
Can be Applied to any Angle
D
F
B
Taper
R
W x D Throat Radius = Width
Outer R
Inner R
W1 x D1
W2 x D2OD
Splitters not Required in Bend Angles Less Than 45°
W1 x D1 W2 x D2OD
OW
L1
22.5° Max.
- SMACNA (2nd Edition-1995) See Pages 2.3/2.9/A.42/A.43- SMACNA (3rd Edition-2005) See Pages 4.3/4.9/4.12/4.13- DW/144 See Pages 55/57
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
7
- Slip & Drive- Slide-on Flange- Companion Angle
As per:
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
I
K
G
J
L
H
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Width (W) mm
Up to 200
Dim. (A) mm
75
,, 300 100
,, 400 125
,, 600 150
Over 600 200
Shoe Branch
Fixing by Rivets orSelf-Tapping Screws 25mm
Straight Tap( Standard)DVAC
Duct
Sealant
Duct
25mm
Clinch Lock(Optional)
Sealant
Mitered Offset Radius OffsetMinimum Throat Radius = 150mm
Straight + 2 Branches
Straight + BranchRadius 2-Way OffsetMinimum Throat Radius = 150mm
W2 x D2
L1
W1 x D1
W1 x D
A
W x D
L1
W3 x D3
W1 x D1
W2 x D2
8
- SMACNA (2nd Edition-1995) See Pages 2.8/2.9- SMACNA (3rd Edition-2005) See Pages 4.8/4.9- DW/144 See Pages 55/58
- Slip & Drive- Slide-on Flange- Companion Angle
As per:
E2E1
30° Max.
W x D
L1
OW
W2
L1
OW
W2 x D2OD
L1
W1 x D1 OW
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
O
Q
M
P
R
N
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Angled Offset
Square to Round
Sealant
Crimped
Beaded
Collar (Dovetail)VCD Optional
75mm
Drop Cheek Breeches Piece 3-Way TeeSplitter Damper Optional
W2
W3
W4
W1 x D
R2
R1
W2 x D2 W3 x D3
W1 x D1
R2R1
OD3OD2
∅
W1 x D1
OW
W2 x D2 O W3 x D2
OD
Trousers Piece
Duct
- SMACNA (2nd Edition-1995) See Pages 2.8/2.9/3.18- SMACNA (3rd Edition-2005) See Pages 3.36/4.8/4.9- DW/144 See Pages 55/58
- Slip & Drive- Slide-on Flange- Companion Angle
As per:
9
W x D
15° Max.
L1
OW
OD
L1
W x D
22.5° Max.
∅
OW
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
U
W
S
V
X
T
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Breeches PieceSplitter Damper Optional
Radius Tee
Side BranchSplitter Damper Optional
W3
W2
W1 x D
R
W3W2
W1 x D
R2R1
W3W2
W1 x D
R2R1
2-Way Breeches
W3 x D3
W2 x D2
W1 x D1
R
OD3
OD2
∅
Plenum BoxSide or Top Connection
W x D
LW x D
Flexible Connection
- SMACNA (2nd Edition-1995) See Page 2.7- SMACNA (3rd Edition-2005) See Page 4.7- DW/144 See Pages 52/55
- Slip & Drive- Slide-on Flange- Companion Angle
As per:
10
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
Splitter Damper
11
- Slip & Drive- Slide-on Flange- Companion Angle
Splitter Damper
W3 x D3
W2 x D2
W1 x D1
R
OD3OD2
Blade
Piano Hinge
Control Rod
Blade
Piano Hinge
Aerofoil Blade Splitter Damper
( Standard)DVAC
Blade
Piano Hinge
Single Blade Splitter Damper
AB
Splitter Damper Length (A x 1.5)
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
* Can Be Supplied with Acoustic Lining or Double Wall
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
D
B
E D
C
B
B
E
A
A
C
Fixing by Tog-L-Loc or Rivets
All Transverse Edges to be Coated
with Adhesive, Except when
is present.
Liner Adhered to the Duct with 90%
Min. Area Coverage of Adhesive.
Nosing
Acoustic Liner Installation
Velocity *
0 - 2500 FPM
(0 - 12.7 MPS)
2501 - 6000 FPM
(12.7 - 30.5 MPS)
Dimensions
3"
(76.2)
A B C
"A" Pin Row May be Omitted when Metal is Used.
Then “E” Starts from the
Nosing
Nosing.
12"
(305)
4"
(102)
6"
(152)18"
(457)
3"
(76.2)
12"
(305)
4"
(102)
6"
(152)18"
(457)
D E
Liner
RivetsDuct
Insulation Guard
( )Channel Liner
Tog-L-Loc or RivetsDuct
Insulation Guard
( Standard)DVAC
Welding Pin
24 Gage
12
- SMACNA (2nd Edition-1995) See Pages 2.24/2.28- SMACNA (3rd Edition-2005) See Pages 7.13/7.17
- Slip & Drive- Slide-on Flange- Companion Angle
As per:
Alternate Folded Corner
Welding Pin
Liner
Duct Acoustic Liner
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
* Materials Used for Acoustic Liner :- KIMMCOInsulation : Clean Liner 15mm, 48 kg/m , is Faced with a Black, Strong,
Durable, Dimensionally Stable Woven Glass Fabric.
3
80-10- FosterAdhesive :
32-17- FosterDuct Sealant :
Liner
RivetsDuct
Insulation Guard
( )Zee 24 Gage
24 Gage
* Optional Acoustic Liner: - as per Client Request
Insulation Guard
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
13
Plenum Box
L + 50mm
A
B
C
H ∅
W
Standard
76mm O1
- SMACNA (2nd Edition-1995) See Page 2.20- SMACNA (3rd Edition-2005) See Page 10.1
As per:
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Hanging Bracket
Acoustic Liner
Plenum Box
* Plenum Box :
* Acoustic Liner :
Fabricated of 22 Gage Galvanized Steel
Clean Liner 15mm, 48 kg/m , is Faced with a Black, Strong, Durable,
Dimensionally Stable Woven Glass Fabric.
KIMMCO3
* Optional : - Volume Control Damper.
Acoustic Liner
- Inside Insulation Covered with Galvanized
Perforated Sheet Insuring Full Protection.
- as per Client Request.
O2
Tog-L-Loc or Rivets
Plenum Box
End Cap
Welding Pin
Liner
* Liner Adhered to the Plenum Box with 100% Area Coverage of Adhesive.
* Welding Pins Fixation from Center to Center: 300mm.
D
76mm
Crimped
Beaded
Plenum Box
* Materials Used for Ductworks :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Plenum Box
Tog-L-Loc or Rivets
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
Insulation Guard
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
14
28.6
35
5
Thickness 0.6 to 1.0mm
15
27
Thickness 0.6mm
41.3
35
5
Thickness 0.7 to 1.2mm
54
35
5
Thickness 1.0mm
27
Thickness 0.6mm
DVAC Accessories
Standing “S” 54
(Optional)
C3 / C4 / T-14
Standing “S” 41.3
(Optional)
T-13
Standing “S” 28.6
DVAC( Standard)
C2 / T-10
Standing “S”
(Optional)
C2 / T-10
Hemmed “S” Slip
DVAC( Standard)
C1 / T-6
28.5
Thickness 0.6 to 1.0mm
Drive Slip
C1 / T-1
Duct
Standing “S”
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
- SMACNA (2nd Edition-1995) See Pages 1.14/1.61- SMACNA (3rd Edition-2005) See Pages 2.6/2.7/2.8- DW/142 See Pages 28/31
As per:
28.5
Backup Angle for Drive Slip
T-3
75
* Materials Used for Duct Accessories :
* NOTE : Standard Length of Hemmed “S”, Standing “S” & Drive Slip is 1220mm.
28.5
DVAC Standard
- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Slip & Drive
Optional
Thickness 0.8 to 1.2mm
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15
DVAC Accessories
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Fixing Bolts
25 x 3 6mm
30 x 4 8mm
40 x 4 8mm
50 x 5 10mm
Dimensions
25 x 3
Rating
J3
30 x 4 J4
40 x 4 J5
50 x 5 J6
- SMACNA (2nd Edition-1995) See Pages 1.14/1.61- SMACNA (3rd Edition-2005) See Pages 2.6/2.7/2.8- DW/142 See Pages 28/31
As per:
* Materials Used for Duct Accessories :
* NOTE : Companion Angle & are Made of Primer Painted Black Steel Angle.Reinforcement
- Duct Ends Turn up 10mm.
- Fixing Bolts at Each Corner
Intermediately Centers at 300mm.
- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
Companion Angles
J3 / J4 / J5 / J6 / T-22
Fixing by
Rivets or Screws
GasketCompanion Angle
Duct
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I - Rectangular Ducts:
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Slide-on Flange
16
VENTO Accessories(BELGIUM)
30
40
20
27
25
36
8.5
8.5
10
73
105140
37
27
18
E30
E20 H20
A40 H40
Thickness 0.8mmThickness 1.0mm Thickness 3.0mmThickness 3.0mm
Thickness 2.5mm
Lance-N-Loc or Rivets
GasketFlange
Duct
Flange System 20
Flange System 30Flange System 40
H30
Thickness 0.7mm
Clamp with ScrewDrive Slip
Thickness 1.0mm
Thickness 0.7mm
SR40
SR
8x20
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Thickness 3.0mm
CM
Thickness 0.7mmThickness 0.9mm
Thickness 0.6mm
* NOTE : DVAC Standard Use For Flange System : - 20: Thickness 0.7mm- 30: Thickness 0.8mm- 40: Thickness 1.0mm
* Materials Used for Duct Accessories :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.- (Optional)Stainless Steel :
- (Optional)Aluminum Metal : Complying with ASTM B209, Alloy 3003, Temper H14.
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I - Rectangular Ducts:
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VENTO Suspension Flanges
17
Type: U
Type: UP
30
30
14
14
35
50
30
14
2035
30
14
30
14
50
L
VENTO Accessories(BELGIUM)
LengthCode
3mU203
6mU206
201.5
30
14
1.52
LengthCode
3mU353
6mU356
LengthCode
3mU503
6mU503
LengthCode
3mUP203
6mUP206
1.51.5
2
LengthCode
3mUP353
6mUP356
LengthCode
3mUP503
6mUP506
10.5
24 50
L
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
* Materials Used for Duct Accessories :- Galvanized Steel: (Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 1A / 1B / 1C - 1"
- SMACNA (3rd Edition-2005 Table 2-2) See Page 2.16As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
18
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 40Thickness 1.0mm
FlangeThickness 0.7mm
20
Table 1A : 1" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-2)
Intermediate
Gage 24 Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Not Required
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
26
24
22
20
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
18 Pittsburgh Lock Pittsburgh Lock
1"
24
Grooved Corner
401 - 750
1201 - 1500
1501 - 1800
1801 - 2100
2101 - 2700
2701 - 3000
0 - 400
751 - 900
901 - 1200
Gage 24
Gage 22 +25X25X3 Angle
Gage 20
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 1B : 1" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-2)
Intermediate
Gage 24 Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Not Required
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
26
24
22
20
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
18 Pittsburgh Lock Pittsburgh Lock
1"
24
Grooved Corner
401 - 750
1201 - 1500
1501 - 1800
1801 - 2100
2101 - 2700
2701 - 3000
0 - 400
751 - 900
901 - 1200
Gage 24
Gage 22 +25X25X3 Angle
Gage 20
25x25x3mm
40x40x4mm
50x50x5mm
50x50x5mm
50x50x5mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 1C : 1" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-2)
Intermediate T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
Pittsburgh Lock Pittsburgh Lock
1"
Grooved Corner
401 - 750
1201 - 1500
1501 - 1800
1801 - 2100
2101 - 2700
2701 - 3000
0 - 400
751 - 900
901 - 1200
25x25x3mm
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
OPTION -1-
OPTION -2-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 2A / 2B / 2C - 2"
- SMACNA (3rd Edition-2005 Table 2-3) See Page 2.18As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
19
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
FlangeThickness 0.7mm
20
Table 2A : 2" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-3)
Intermediate
Gage 24 Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
26
22
20
20
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
18 Pittsburgh Lock Pittsburgh Lock
2"
24
Grooved Corner
301 - 550
901 - 1200
1201 - 1500
1501 - 2100
2101 - 2700
2701 - 3000
0 - 300
551 - 700
701 - 900
Gage 24
Gage 22 +25X25X3 Angle
Gage 20
Angle 50x50x5mm@ 600mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 2B : 2" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-3)
Intermediate
Gage 24 Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
26
22
20
20
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
18 Pittsburgh Lock Pittsburgh Lock
2"
24
Grooved Corner
301 - 550
901 - 1200
1201 - 1500
1501 - 2100
2101 - 2700
2701 - 3000
0 - 300
551 - 700
701 - 900
Gage 24
Gage 22 +25X25X3 Angle
Gage 20
50x50x5mm
Angle 50x50x5mm@ 600mm
25x25x3mm
40x40x4mm
50x50x5mm
50x50x5mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 2C : 2" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-3)
Intermediate T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Grooved Corner
Pittsburgh Lock Pittsburgh Lock
2"
Grooved Corner
301 - 550
901 - 1200
1201 - 1500
1501 - 2100
2101 - 2700
2701 - 3000
0 - 300
551 - 700
701 - 900
Flange 40Thickness 1.0mm
25x25x3mm
OPTION -1-
OPTION -2-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 3A / 3B / 3C - 3"
- SMACNA (3rd Edition-2005 Table 2-4) See Page 2.20As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
20
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 40Thickness 1.0mm
Table 3A : 3" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-4)
Intermediate
Gage 24 Gage 24
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
24
20
18
18
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
18 Pittsburgh Lock Pittsburgh Lock
3"
22
Pittsburgh Lock
301- 450
1001 - 1200
1201 - 1500
1501 - 1800
1801 - 2400
2401 - 3000
0 - 300
451 - 750
751 - 1000
Gage 24
50x50x5mm
Angle 50x50x5mm@ 600mm
FlangeThickness 0.7mm
20
Flange 30Thickness 0.8mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 3B : 3" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-4)
Intermediate
Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
24
20
18
18
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
18 Pittsburgh Lock Pittsburgh Lock
3"
22
Pittsburgh Lock
301- 450
1001 - 1200
1201 - 1500
1501 - 1800
1801 - 2400
2401 - 3000
0 - 300
451 - 750
751 - 1000
Gage 24
50x50x5mm
Angle 50x50x5mm@ 600mm 50x50x5mm
25x25x3mm
30x30x3mm
40x40x4mm
50x50x5mm
50x50x5mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 3C : 3" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-4)
Intermediate T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
3"
Pittsburgh Lock
301- 450
1001 - 1200
1201 - 1500
1501 - 1800
1801 - 2400
2401 - 3000
0 - 300
451 - 750
751 - 1000
Gage 22
Gage 24
Flange 40Thickness 1.0mm
OPTION -1-
OPTION -2-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 4A / 4B / 4C - 4"
- SMACNA (3rd Edition-2005 Table 2-5) See Page 2.22As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
21
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 40Thickness 1.0mm
Table 4A : 4" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-5)
Intermediate
Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
24
20
18
18
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
18 Pittsburgh Lock Pittsburgh Lock
4"
22
Pittsburgh Lock
251- 400
901 - 1000
1001 - 1500
1501 - 2100
2101 - 2400
2401 - 3000
0 - 250
401 - 650
651 - 900
Gage 24
Angle 50x50x5mm@ 600mm
FlangeThickness 0.7mm
20
Flange 30Thickness 0.8mm
50x50x5mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 4B : 4" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-5)
Intermediate
Gage 24
Gage 22
T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Not Required
Not Required
Not Required
Not Required
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock26
26
24
20
18
18
18
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
18 Pittsburgh Lock Pittsburgh Lock
4"
22
Pittsburgh Lock
251- 400
901 - 1000
1001 - 1500
1501 - 2100
2101 - 2400
2401 - 3000
0 - 250
401 - 650
651 - 900
Gage 24
Angle 50x50x5mm@ 600mm 50x50x5mm
Transverse Connections
T-13Standing “S”H. 41.3mm
T-14Standing “S”
H. 54mm
T-22Companion
AnglesSlide-onFlange
Table 4C : 4" W.G. Static Positive or Negative(as per SMACNA Third Edition - 2005 Table 2-5)
Intermediate T-10Standing “S”H. 28.6mm
75
T-1Drive Slip
T-6Hemmed “S”
Slip
T-3Drive Slip withBackup Angle
Reinforcement
Duct Dimension Gage Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock Pittsburgh Lock
4"
Pittsburgh Lock
251- 400
901 - 1000
1001 - 1500
1501 - 2100
2101 - 2400
2401 - 3000
0 - 250
401 - 650
651 - 900
25x25x3mm
30x30x3mm
40x40x4mm
50x50x5mm
50x50x5mm
Gage 24
Gage 24
50x50x5mm
50x50x5mm
OPTION -1-
OPTION -2-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 5A / 5B / 5C- 500 Pa
- DW/142 See Page 18- DW/144 See Page 18
As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
22
Transverse Connections
Flange 30Thickness 0.8mm
Flange 40Thickness 1.0mm
Flange 40Thickness 1.0mm
Table 5A : LOW PRESSURE 500 PaPositive as per DW/142-144 Table 2)
Intermediate
0.6mm 0.6mmNot Required
Not Required
Not Required
Not Required
Angle 30x30x3mm@ 600mm
Angle 40x40x4mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Grooved Corner
500 Pa
Pittsburgh Lock
0.6mm
Flange 30Thickness 0.8mm
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.6
401 - 600
1251 - 1600
1601 - 2000
2501 - 3000
0 - 400
601 - 1000
1001 - 1250
0.8
0.8
1.0
1.0
1.0
1.2
0.6mm
0.8mm 0.8mm
Angle 50x50x5mm@ 600mm
Flange 40Thickness 1.0mm
Pittsburgh LockGrooved Corner2001 - 2500 1.0
Transverse Connections
Table 5B : LOW PRESSURE 500 PaPositive as per DW/142-144 Table 2)
Intermediate
0.6mm 0.6mmNot Required
Not Required
Not Required
Not Required
Angle 30x30x3mm@ 600mm
Angle 40x40x4mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Grooved Corner
500 Pa
Pittsburgh Lock
0.6mm
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.6
401 - 600
1251 - 1600
1601 - 2000
2501 - 3000
0 - 400
601 - 1000
1001 - 1250
0.8
0.8
1.0
1.0
1.0
1.2
0.6mm
0.8mm 0.8mm
Angle 50x50x5mm@ 600mm
Pittsburgh LockGrooved Corner2001 - 2500 1.0
25x25x3mm
30x30x3mm
40x40x4mm
40x40x4mm
40x40x4mm
Transverse Connections
Table 5C : LOW PRESSURE 500 PaPositive as per DW/142-144 Table 2)
Intermediate
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh Lock
Pittsburgh Lock
Grooved Corner
500 Pa
Pittsburgh Lock
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
401 - 600
1251 - 1600
1601 - 2000
2501 - 3000
0 - 400
601 - 1000
1001 - 1250
Pittsburgh LockGrooved Corner2001 - 2500
Angle 50x50x5mm@ 600mm
Angle 50x50x5mm@ 600mm
AS PER PROJECT SPECS.
OPTION -2-
OPTION -1-
(mm)
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 6A / 6B / 6C- 1000 Pa
- DW/142 See Page 19- DW/144 See Page 19
As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
23
Transverse Connections
Flange 40Thickness 1.0mm
Table 6A : MEDIUM PRESSURE 1000 PaPositive as per DW/142-144 Table 3)
Intermediate
0.6mm 0.6mmNot Required
Not Required
Not Required
Not Required
Angle 40x40x4mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockGrooved Corner
1000 Pa
0.6mm
Flange 30Thickness 0.8mm
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.6
401 - 600
1001 - 1600
1601 - 2500
0 - 400
601 - 800
801 - 1000
0.8
0.8
0.8
1.0
1.0
0.8mm
Pittsburgh LockPittsburgh Lock2501 - 3000 1.2
Flange 20Thickness 0.7mm
50x50x5mm
Transverse Connections
Table 6B : MEDIUM PRESSURE 1000 PaPositive as per DW/142-144 Table 3)
Intermediate
0.6mm 0.6mmNot Required
Not Required
Not Required
Not Required
Angle 40x40x4mm@ 600mm
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockGrooved Corner
1000 Pa
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.6
401 - 600
1001 - 1600
1601 - 2500
0 - 400
601 - 800
801 - 1000
0.8
0.8
0.8
1.0
1.0
Pittsburgh LockPittsburgh Lock2501 - 3000 1.2 50x50x5mm
25x25x3mm
30x30x3mm
30x30x3mm
40x40x4mm
Transverse Connections
Table 6C : MEDIUM PRESSURE 1000 PaPositive as per DW/142-144 Table 3)
Intermediate
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockGrooved Corner
1000 Pa
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
401 - 600
1001 - 1600
1601 - 2500
0 - 400
601 - 800
801 - 1000
Pittsburgh LockPittsburgh Lock2501 - 3000
Angle 60x60x5mm@ 600mm
Angle 60x60x5mm@ 600mm
0.6mm 0.8mm
Flange 40Thickness 1.0mm
OPTION -2-
OPTION -1-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Ductwork Construction Schedule - Tables 7A / 7B / 7C- 2000 Pa
- DW/144 See Page 19As per:
* NOTE :
* Materials Used for Transverse Connections :- Galvanized Steel:(Standard) L.F.Q. Complying with ASTM A653 and Having G90 Coating Designation.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
1 - Transverse Connectors are Based on 1200mm Spacing.2 Standard Straight Duct
are Made of Primer Painted Black Steel Angle.-
Companion Angle &Length 1220mm.
3 - Reinforcement
24
Transverse Connections
Table 7A : HIGH PRESSURE 2000 PaPositive (as per DW/142-144 Table 4)
Intermediate
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockPittsburgh Lock
2000 Pa
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.8
601 - 800
1251 - 1600
1601 - 2000
0 - 600
801 - 1000
1001 - 1250
0.8
0.8
1.0
1.0
1.2
Flange 30Thickness 0.8mm
50x50x5mm
Flange 20Thickness 0.7mm
Flange 40Thickness 1.0mm
Flange 30Thickness 0.8mm
Angle 30x30x3mm@ 600mm
Angle 40x40x4mm@ 600mm
Angle 50x50x5mm@ 600mm
Flange 40Thickness 1.0mm
Flange 40Thickness 1.0mm
Angle 60x60x5mm@ 600mm
Pittsburgh LockPittsburgh Lock2001 - 2500 1.2
Transverse Connections
Table 7B : HIGH PRESSURE 2000 PaPositive (as per DW/142-144 Table 4)
Intermediate
Not Required
Not Required
Angle 50x50x5mm@ 600mm
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockPittsburgh Lock
2000 Pa
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
0.8
601 - 800
1251 - 1600
1601 - 2000
0 - 600
801 - 1000
1001 - 1250
0.8
0.8
1.0
1.0
1.2
Angle 30x30x3mm@ 600mm
Angle 40x40x4mm@ 600mm
Angle 50x50x5mm@ 600mm
Angle 60x60x5mm@ 600mm
Pittsburgh LockPittsburgh Lock2001 - 2500 1.2 50x50x5mm
30x30x3mm
40x40x4mm
40x40x4mm
25x25x3mm
25x25x3mm
25x25x3mm
Transverse Connections
Table 7C : HIGH PRESSURE 2000 PaPositive (as per DW/142-144 Table 4)
Intermediate
Reinforcement
Duct Dimension Thick. Seam
Straight Fittings
(mm)
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Grooved Corner Pittsburgh Lock
Pittsburgh LockPittsburgh Lock
2000 Pa
C2Standing “S”H. 28.6mm
C3Standing “S”H. 28.6mm
C4Standing “S”H. 41.3mm
C1Drive Slip
C1Hemmed “S”
SlipCompanion
AnglesSlide-onFlange
C1Drive Slip
601 - 800
1251 - 1600
1601 - 2000
0 - 600
801 - 1000
1001 - 1250
Pittsburgh LockPittsburgh Lock2001 - 2500
OPTION -2-
OPTION -1-
AS PER PROJECT SPECS.
Back to Index
I - Rectangular Ducts:
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
Straight Ducts And Fittings With Flange Steel Angles
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
II - Rectangular Ducts Welded
25
Full Welded Seam
Continuous Welded
Continuous Welded
Flange Steel Angle
Duct
Gasket or Sealant
- Fixing Bolts at Each Corner IntermediatelyCentered at 150mm.
Semi-continuousWelding
Flanged Cross Joint
Flange Steel Angle
Duct
Semi-continuous Welding
Flange Steel Angles
Dimensions Bolts Diam.
25x25x3mm 8mm
30x30x3mm 8mm
40x40x4mm 8mm
50x50x5mm 10mm
60x60x6mm 12mm
Longitudinal Seams & Connections
* Materials Used for Ductworks & Connections :- :Carbon-Steel Complying with ASTM A 366/A 366M, Cold-rolled.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
* NOTES: Kitchen Ventilation Systems : - Access Doors for Cleaning Must be Provided at Distance not Exceeding 3 Metres.- Fire dampers must not be Used.- Internal Thermal or Acoustic Lining Should not be Used, and TurningVanes Should be Avoided Wherever Possible.
As per: - DW 172 Page 36- DW 144 Page 84
Back to Index
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
StraightStandard Length 1220mm
Radius Bend
Drop Cheek BendCan be Applied to any Angle
C
E
A
L1
W x D
W x D
R
W1 x D1
W2 x D2
- SMACNA (2nd Edition-1995) See Pages 2.3/2.9/A.42/A.43- DW/144 See Pages 55/57
D
F
B
Taper
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
As per:
W1 x D1 W2 x D2OD
OW
L1
22.5° Max.
Master Bend
Outer R
Inner R
W1 x D1
W2 x D2OD
W1 x D1
OW
W2 x D2 O W3 x D2
OD
Trousers Piece
Minimum Throat Radius = 100mmThroat Radius = 150mmDVAC Standard
26
* Materials Used for Ductworks & Connections :- :Carbon-Steel Complying with ASTM A 366/A 366M, Cold-rolled.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
* NOTES: Kitchen Ventilation Systems : - Access Doors for Cleaning Must be Provided at Distance not Exceeding 3 Metres.- Fire dampers must not be Used.- Internal Thermal or Acoustic Lining Should not be Used, and TurningVanes Should be Avoided Wherever Possible.
As per: - DW 172 Page 36- DW 144 Page 84
Back to Index
II - Rectangular Ducts Welded
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
I
K
G
J
L
H
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Width (W) mm
Up to 200
Dim. (A) mm
75
,, 300 100
,, 400 125
,, 600 150
Over 600 200
Mitered Offset Radius OffsetMinimum Throat Radius = 100mm
Straight + 2 Branches
Straight + BranchRadius 2-Way Offset
W2 x D2
L1
W1 x D1
W1 x D
A
L1
W3 x D3
W1 x D1
W2 x D2
- SMACNA (2nd Edition-1995) See Pages 2.8/2.9- DW/144 See Pages 55/58
As per:
E2E1
30° Max.
W x D
L1
OW
W2
L1
OW
W2 x D2OD
L1
W1 x D1 OW
A
Width (W) mm
Up to 200
Dim. (A) mm
75
,, 300 100
,, 400 125
,, 600 150
Over 600 200
Angled Offset
W x D
15° Max.
L1
OW
27
* Materials Used for Ductworks & Connections :- :Carbon-Steel Complying with ASTM A 366/A 366M, Cold-rolled.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
* NOTES: Kitchen Ventilation Systems : - Access Doors for Cleaning Must be Provided at Distance not Exceeding 3 Metres.- Fire dampers must not be Used.- Internal Thermal or Acoustic Lining Should not be Used, and TurningVanes Should be Avoided Wherever Possible.
As per: - DW 172 Page 36- DW 144 Page 84
Back to Index
II - Rectangular Ducts Welded
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
A
O
Q
M
P
R
N
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Access DoorDrop Cheek Breeches Piece
3-Way Tee
W2
W3
W4
W1 x D
R2
R1
W2 x D2 W3 x D3
W1 x D1
R2R1
OD3OD2
- SMACNA (2nd Edition-1995) See Page 2.7- DW/144 See Pages 52/55
As per:
Breeches Piece
W3W2
W1 x D
R2R1
Side Branch
W3
W2
W1 x D
R
2-Way Breeches
W3 x D3
W2 x D2
W1 x D1
R
OD3
OD2
Bolt
Access Door
Duct
28
Ensure that Cleaning Doors are not on theUnderside of the Ductwork.
* Materials Used for Ductworks & Connections :- :Carbon-Steel Complying with ASTM A 366/A 366M, Cold-rolled.
- (Optional)Stainless Steel : Complying with ASTM A240M / A480M, Grade 304, 304L, 316, & 316L.
* NOTES: Kitchen Ventilation Systems : - Access Doors for Cleaning Must be Provided at Distance not Exceeding 3 Metres.- Fire dampers must not be Used.- Internal Thermal or Acoustic Lining Should not be Used, and TurningVanes Should be Avoided Wherever Possible.
As per: - DW 172 Page 36- DW 144 Page 84
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II - Rectangular Ducts Welded
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
29
Coating Designation
Minimum coating mass(including both sides)
Suggested Applications(Provided by British Steel PLC)Triple
spot testSingle
spot test
Zinc coatings (Z)Z100Z200
Z275
Z350Z450Z600
g/m
100200
275
350450600
2g/m
85170
235
300385510
2
Light
Standard
Heavy Duty
- for use where corrosion conditions are not
severe and/or where forming operations preclude
heavier coating.
- for longer life relative to standard and
light coatings
Zinc-Iron alloy coatings (ZF)ZF100Zf180
100180
85150
Iron-zinc alloys - alloyed coating of iron and zinc
for easy painting and particularly resistance
welding.
Note 1. The mass of zinc is not always equally distributed on both surfaces of the sheet. However, it can
normally be expected that not less than 40% of the specified minimum coating mass, as determined by
the single spot test, will be found on each surface.
Galvanized Steel *
StandardThickness
BirminghamGage
inch mm BG inch
.0197
.0236
.0276
.0315
.0354
.0394
.0472
.0630
.0787
.0984
0.50.60.70.80.91.01.2
1.62.02.5
2624
22
2018
161412
.0196
.0248
.0312
.0392
.0495
.0625
.0785
.0991
Galvanized Thicknesses
ThicknessWeight per
Square meter
mm0.50.60.70.80.91.01.21.62.02.5
Kg3.92134.70565.48986.27417.05847.84269.4111
12.548115.685219.6064
Weight of Galvanized Steel
Back to Index
DUCT VENTILATION AIR CONDITIONING Co. (WLL)
Rectangular DuctsTables: - Coating Mass (Weight)
- Galvanized Thicknesses- Weight of Galvanized Steel
As per: - DW/144 See Pages 93/97/98
(Extract from BS.EN10142: 1991) Coating mass (Weight)
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
30
Remarks:
Back to Index
DOHA - QATAR - PHONE: +974-4500118 - +974-4500119 - FAX: +974-4500117
DVAC - DUCT VENTILATION AIR CONDITIONING Co. (W.L.L)Industrial Area - Street 47 - Gate 6 - P.O.Box: 55619Fax: +974 4500117 - Tel: +974 4500118 - 4500119
Doha - State Of QatarE-mail: - Web: [email protected]
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