MODEL 2639 AWWA C509 FULL BODY DUCTILE IRON · PDF fileMODEL 2639 & 2640 Valves shall conform...
Transcript of MODEL 2639 AWWA C509 FULL BODY DUCTILE IRON · PDF fileMODEL 2639 & 2640 Valves shall conform...
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MODEL 2639 AWWA C509 FULL BODY DUCTILE IRONMODEL 2640 AWWA C509 FULL BODY GRAY IRON
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ITEM NO. DESCRIPTION Material QTY.
1 Follower Gland Gray Iron 1
2 Packing Square Braided Polymer 3
3 Thrust Washer Copper Alloy 2
4 Thrust Washer Delrin 15 Top Stem Nut Copper Alloy 1
6 Pin Stainless Steel 1
7 Wedge Ductile Iron / Rubber 1
8 Handwheel Hold Down Nut Copper Alloy 1
9 Handwheel Ductile Iron 1
10 Cover Ductile Iron 1
11 Bonnet Bolt Stainless Steel 412 Stem Copper Alloy 113 Stem O-Ring Rubber 114 Cover O-Ring Rubber 115 Body Ductile Iron 1
16 Bonnet Nut Stainless Steel 418 Stem Nut Copper Alloy 119 Follower Nut Copper Alloy 2
21 Follower Bolt Stainless Steel 2
CLOW VALVE COMPANY
2 1/2"-12" R/S VALVE OS&YEXPLODED VIEW
MODEL 2639
2639-95 C 6/18/14
6
14
13
1
8
9
10
21
16
15
7
19
5
11
4
3
2
12
18
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ITEM NO. DESCRIPTION Material QTY.
1 Follower Gland Gray Iron 1
2 Packing Square Braided Polymer 3
3 Thrust Washer Copper Alloy 2
4 Thrust Washer Delrin 15 Top Stem Nut Copper Alloy 1
6 Pin Stainless Steel 1
7 Wedge Ductile Iron / Rubber 1
8 Handwheel Hold Down Nut Copper Alloy 1
9 Handwheel Ductile Iron 1
10 Cover Gray Iron 1
11 Bonnet Bolt Stainless Steel 412 Stem Copper Alloy 113 Stem O-Ring Rubber 114 Cover O-Ring Rubber 115 Body Gray Iron 1
16 Bonnet Nut Stainless Steel 418 Stem Nut Copper Alloy 119 Follower Nut Copper Alloy 2
21 Follower Bolt Stainless Steel 2
2 1/2"-12" R/S VALVE OS&Y
CLOW VALVE COMPANYMODEL 2640
EXPLODED VIEW2640-95 C 6/18/14
13
1
8
9
10
19
21
14
16
15
7
5
4
11
3
6
2
12
18
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MODEL 2639 & 2640
F-6136
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ITEM NO. DESCRIPTION Material - 2639 Material - 2640 QTY.
1 Hex Head Bolt Stainless Steel Stainless Steel 12 Flat Washer Stainless Steel Stainless Steel 13 O-Ring Rubber Rubber 1
4 Thrust Washer Delrin Delrin 2
5 O-Ring Rubber Rubber 3
6 Cover Ductile Iron Gray Iron 1
7 Stem Nut Copper Alloy Copper Alloy 1
8 Operating Nut Gray Iron Gray Iron 1
9 Follower Plate Ductile Iron Ductile Iron 1
10 Hex Head Bolt Stainless Steel Stainless Steel 2
11 Stem Copper Alloy Copper Alloy 1
12 Cover Bolt Stainless Steel Stainless Steel --
13 Cover O-Ring Rubber Rubber 1
14 Body Ductile Iron Gray Iron 1
15 Wedge Ductile Iron / Rubber
Ductile Iron / Rubber 1
18 Hex Nut Stainless Steel Stainless Steel 6
4
7
15
8
9
10
12
6
13
14
2
5
18
3
4
1
5
11
A 6/23/14
EXPLODED VIEW MATERIAL LIST2640-100
CLOW VALVE COMPANY
2"-12" R/S VALVE NRS
MODELS 2639 & 2640
Complies with applicablerequirements of AWWA C509
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MODEL 2639 & 2640
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MODEL 2639 & 2640
F-6100
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MODEL 2639 & 2640F-6106
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MODEL 2639 & 2640F-6114
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MODEL 2639 & 2640
F-6112
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MODEL 2639 & 2640
F-6113
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MODEL 2639 & 2640
F-6110
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MODEL 2639 & 2640
F-6111
4"-12" R/W MECHANICAL CUTTING-IN JOINT(MCJ) ENDS
GENERAL DIMENSIONS
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MODEL 2639 & 2640
D
A
B
F
E
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MODEL 2639 & 2640
F-6103
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MODEL 2639
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MODEL 2639
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RW Gate Valve
CLOW VALVE COMPANYEPDM Wedge Compatibility Chart
2638-166 A 10/08/15
Chemical Rating Chemical RatingAcetic (10%) 1 Hydrofluoric (20%) XAlcohols 2 Hypochlorous (5%) 2Aliphatic Hydrocarbons 4 Iron Chloride 1Aluminum Sulfate 1 Ketones 1Ammonium Chloride 1 Lactic (5%) 1Ammonium Hydroxide 1 Magnesium Chloride 1Aniline 2 Maleic (25%) 2Aromatic Hydrocarbons 4 Mineral Oils 3Barium Sulfide 1 Nickel Chloride 1Benzene 4 Nitric (30%) 3Benzene Sulfonic (10%) 4 Nitric (5%) 2Benzoic 4 Oleic 4Boric 1 Oxalic 1Calcium Chloride 1 Phenol (5%) 4Calcium Hydroxide 1 Phosphoric 1Carbon Tetrachloride 4 Picric 1Chloracetic (10%) 2 Potassium Chloride 1Chlorobenzene 4 Potassium Hydroxide 1Chromic (5%) 2 Sodium Bicarbonate 1Citric (10%) 1 Sodium Carbonate 1Copper Chloride 1 Sodium Chloride 1Esters 3 Sodium Hydroxide 1Ethers 3 Sodium Sulfide 1Fatty Acids 3 Stearic 2Formaldehyde (37%) 2 Sulfuric (50%) 4Formic (90%) 1 Tannic 1Gasoline 4 Trisodium Phosphate 1Hydrobromic (20%) 1 Vegatable Oils 3Hydrochloric (20%) 3 Zinc Chloride 1Hydrocyanic 1
X = Insufficient Data
Ratings are based on solutions at room temperature. Specific conditions of each application, such as flow and temperature, can significantly affect results. Always test under actual service conditions.
1 = Satisfactory2 = Fair (usually acceptable for static seal)3 = Doubtful (sometimes acceptable for static seal)4 = Unsatisfactory
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MODEL 2639 & 2640
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MODEL 2639 & 2640
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MODEL 2639 & 2640
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MODEL 2639 & 2640
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MODEL 2639 & 2640
Valves shall conform to the latest revision of AWWA Standard C-509 covering resilient wedgegate valves.
The valves shall be either, non-rising stem or rising stem, opening by turning stem left orright and provided with 2” square operating nut or handwheel with the word Open and anArrow cast in the metal to indicate direction to open.
The wedge shall be of cast iron completely encapsulated with rubber.
The sealing rubber shall be permanently bonded to the cast iron wedge to meet ASTM testsfor rubber metal bond ASTM D429
Stems for NRS assemblies shall be cast copper alloy with integral collars in full compliance withAWWA. OS & Y stems shall be copper alloy. The NRS stem stuffing box shall be the o-ringseal type with two o-rings located above thrust collar and one o-ring below. The two o-ringsabove the thrust collar shall be replaceable with valve fully open and subjected to full ratedworking pressure.
There shall be two low torque thrust bearings located above and below the stem collar. Thestem nut shall be independent of wedge and shall be made of solid copper alloy. There shallbe a smooth unobstructed waterway free of all pockets, cavities and depressions in the seatarea.
The body and bonnet shall be coated with fusion bonded epoxy both interior and exterior, com-plying with AWWA C550 and be NSF 61 certified. Each valve shall have maker’s name,pressure rating and year in which manufactured cast on the body. Prior to shipment from fac-tory, each valve shall be tested by hydrostatic pressure equal to requirement for both AWWA(twice the specified working pressure) and 400 PSI ULFM requirements.
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