Cost Effective and Eco-friendly Aluminum Fittings & Tubes for Air Conditioning Systems

344 Bloor Street W., Suite 607, Toronto ON Canada M5S 3A7

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Aluminum Fittings

Market Requirements and Opportunities AnalysisCurrent RoHS Directive Lead (Pb) content in copper alloy < 4% Lead (Pb) content in aluminum alloy < 0.3%Forecast: Strengthening RoHS Directive

A/C Manufacturers’ Requirements for Fittings• Reduced cost• No welding • Easy installation • Durable & airtight • Better corrosion resistance

Choice of MaterialAluminum - complies with RoHS regulations7000 series aluminum alloy (Pb content < 0.01%)

• Material Specification : ASTM B221

Our Fittings Advantages• Lok fitting connection method instead of

welding method• Easy to install: no special skills or tools 

required • 40% cheaper to install than traditional

copper • Specially designed ferrules provide

superior airtight seal • Anodized surface increases hardness,

durability, corrosion, and wear resistance

Assembledmale nut

ferrule

body anti-slip clip

ferrule

O-ring

female nut

AL pipe

Product Solutions

Development Solutions

1. Reduced Cost Stable and low price of aluminum compared to copper and steel Aluminum cost is 75% cheaper than copper *LME, Dec. 2012.

LME Prices 2008-2011: Aluminum vs. Copper

2. Quick Installation Easy to use - threaded fitting connection method Thread type : UNF, UNEF - ANSI(ASME) B1.1 standards Simple – no special skills required; lowered labor costs No welding required – no costly welding equipment

3. Operation Specially designed Lok ferrules and O-rings provide complete airtight seal Anti-slip clip provides stable and proper tube installation Fitting will not be assembled if ferrule is in wrong position

4. Applications Aluminum fittings and valves are widely used in the automotive, electronics industries

due to their excellent mechanical properties, light weight, and stable price Applicable for R22, high pressure R-410A refrigerant and hot & cold 2-way A/C systems Suitable for conventional copper, aluminum and polyamide coated AL tubes Various sizes: 1/4”, 3/8”, 1/2”, 5/8”, 3/4” Various types: union, elbow, service valves, valve connectors, reducers, tee, etc.

5. Improved A/C Functionality Polyamide coated AL tubes keep warm and cold air inside better than copper tubes

which have higher temperature dissipation rate Polyamide provides excellent insulation – saving energy and money

6. Corrosion Resistant Anodized surface ensures increased surface hardness, corrosion resistance, durability, and clean appearance

7. Patents Registered patents and trademark; applied for PCT

8. Environmentally Friendly Made with eco-friendly aluminum material; complies with RoHS Aluminum products can be easily recycled

Installation Types

_Reduce installa-tion time by 1/3_Save 40% on total installation cost

$10,000

$3,000

Copper Aluminum

$3,000

Advantages

Innovative, Eco-friendly & Cost Effective Aluminum Parts for A/C Systems

Product Code Guide

Reducer L2GRU-S4–S6

Products: SVC3W: Service Valve 3 Way TSW: Tube Socket Welding FC: S/V Female Connector U: Union RU: Reducer UE: Union Elbow UT: Union Tee 2GU: 2nd Generation 4GU: 4th Generation

Locus Product O.D. #1 O.D. #2

Size (O.D.)

Size mm inches Code1/4” 6.35-6.60 0.250-0.260 S43/8” 9.52-9.80 0.375-0.386 S61/2" 12.70-13.00 0.500-0.512 S85/8” 15.88-16.25 0.625-0.640 S103/4” 19.05-19.43 0.750-0.765 S12

Product Image Photo Product Code Size

Service Valve(S/V)

L2GSVC3W-S4 1/4”

L2GSVC3W-S6 3/8”

L2GSVC3W-S8 1/2”

L2GSVC3W-S10 5/8”

L2GSVC3W-S12 3/4”

Reducer

L2GRU-G4-S6 1/4”-3/8”

L2GRU-G8-S10 1/2”-5/8”

L2GRU-G10-S12 5/8”-3/4”

Union Fitting(4G)

L4GU-S4 1/4”

L4GU-S6 3/8”

L4GU-S8 1/2"

L4GU-S10 5/8”

L4GU-S12 3/4”

Tube Socket Welding

L2GTSW-S4 1/4”

L2GTSW-S6 3/8”

L2GTSW-S8 1/2"

L2GTSW-S10 5/8”

L2GTSW-S12 3/4”

S/V Female Connector

L2GFC-S4 1/4”

L2GFC-S6 3/8”

L2GFC-S8 1/2"

L2GFC-S10 5/8”

L2GFC-S12 3/4”

Elbow

L2GUE-S4 1/4”

L2GUE-S6 3/8”

L2GUE-S8 1/2"

L2GUE-S10 5/8”

L2GUE-S12 3/4”

*Other sizes are available upon customer’s request

Fittings & Tubes

Fittings

Installation

Body x1O-ring x1Anti-slip clip x2Ferrule x2Nut x2

1. Select the correct tube size (see Tables 2, 2.1, 2.2 on page #10)

2. Cut the aluminum or copper tube with a tube cutter a. Remove any burrs from end (end must be straight and even) b. The end of the tube to be inserted must be straight (1.18” / 30 mm) 3. Fully insert the tube into the fitting a. Ensure the ferrule is in correct position. Fitting will not be assembled if ferrule is in wrong position NOTE: Ferrule is not a reusable part. Replace if broken b. Ensure tube is clean, free of debris, rust, scale, oil, grease, or

excessive coating c. Fully insert the tube (a minimum of 0.8” / 22 mm) through the grip ring until it adheres to the O-ring NOTE: To remove tube, turn tube counter-clockwise while

pulling from fitting

4. Tighten with wrench Tighten until there’s no gap between male and female nuts

(see torque value in Table 1)

5. Check for leakage After the installation is complete, check for the leakage by

spraying with soapy water or using a leakage detector

Size O.D. mm (inches)Torque – kg.f/cm

(Lb.f/inches)

1/4” 6.35 (0.250) 180 ~ 230 (156~200)

3/8” 9.52 (0.375) 300 ~ 350 (260~304)

1/2” 12.70 (0.500) 350 ~ 400 (304~347)

5/8” 15.88 (0.625) 450 ~ 500 (370~434)

3/4” 19.05 (0.750) 600 ~ 650 (521~564)

Table 1. Torque Needed

Parts pre-assembled for immediate use

Size (inch) I.D. mm (inches)Thickness

mm (inches)O.D.

mm (inches) Material

1/4” ∅ 4.35 (0.171) 1.00 (0.039) ∅ 6.35 (0.250)

AL1060 AL1070AL3003 AL3004

3/8” ∅ 7.52 (0.296) 1.00 (0.039) ∅ 9.52 (0.375)

1/2" ∅ 10.30 (0.406) 1.20 (0.047) ∅ 12.70 (0.500)

5/8” ∅ 12.88 (0.507) 1.50 (0.059) ∅ 15.88 (0.625)

3/4” ∅ 16.05 (0.632) 1.50 (0.059) ∅ 19.05 (0.750)

O-ringfemale nut

wrong

30mm straight

anti-slipclip

body male nut

ferrule

22 mm

correct

To remove tube

0No gap after fasteningN gNo g gening

Fittings Installation Guide

Fittings Set

5/8” 15.9Ø

Test Criteria

1. Leakage 2. Pressure Resistance3. Breaking Stress4. Heat Cycle5. Temperature6. Cold Temp7. Vibration8. Durability9. Breaking Torque10. Salt Water Spray

2D Measuring System

Stress Hardness Tester

Surface Roughness Tester

Durability/Flow Tester

3D Measuring Machine

Internal Pressure Tester

Microscope

Simple Testing Reactor

Element Analyzer

Temperature Moisture Tester

Hardness Tester

Shape Measuring Machine

Multi Tester

2 Dimensional Vision System

Profile Projector 3D Coordinate Measuring Machine

Fitting Test and Inspection Equipment

Compatible & Durable O-Ring “CR” and “R-410A”

Breaking Stress Test & Results

Compatibility : CR is suitable material for R-410A refrigerant• Durability : At normal temperature, moisture, 0.6-3.0MP,

S/valve –CR operated 250,000 cycles

• Rate of change Test condition: R410A, 23°C, 70 hrs applied to CR

• Rate of Volume Change : +3.1% (OK) Ref.: TEST Summary by Honeywell and Government Agency

* H-NBR and other O-ring materials are available upon request

Conditions ResultsSalt Water Spray Test: Temp. 35±2°C, Concentration 5% (weight ratio), Pressure 0.098±0.010 Mpa, 72 hours. on indoor parts, 480 hours on outdoor partsTested to ASTM B117 stan-dards at KIMS (Korea Insti-tute of Materials Science)

2. Corrosion occurs on copper tubes but not on coated AL tubes

AL Tube 1/4”CU Tube 1/4” Coated AL Tube 1/4”

500 kg.f/cm2

(7111 Psi)250 kg.f/cm2

(3556 Psi)300 kg.f/cm2

(4267 Psi)

Tube Size 1/4” 3/8” 1/2” 5/8” 3/4” Material

TEST Standard 212 212 150 150 150

CU Tube 500 370 300 250 400 Copper

AL Tube 250 215 155 151 154 1/4”: AL3003Others: AL1070Coated Tube 300 214 156 153 157

Testing & Standards

• Material - ASTM B221, RoHS

• UNF, UNEF Thread type - ANSI(ASME) B1.1

• Pressure, Break Stress, Leak-age test - UL 484, UL 1995, ANSI(ASME) B31.3

• Salt Spray Test - ASTM B117

* Fittings and Pipes have been tested to UL 484, UL 1995, ANSI(ASME) B31.3 standards

1. No corrosion on S/V was found; corrosion ap-pears to be on brass body only

Salt Water Spray Test Result on Brass & AL S/Valve

AL S/Valve Brass S/Valve

Size I.D. mm (inches)Thickness

mm (inches)O.D.

mm (inches) Material

1/4” ∅ 4.35 (0.171) 1.00 (0.039) ∅ 6.35 (0.250)

AL1060 AL1070AL3003 AL3004

3/8” ∅ 7.52 (0.296) 1.00 (0.039) ∅ 9.52 (0.375)

1/2” ∅ 10.30 (0.406) 1.20 (0.047) ∅ 12.70 (0.500)

5/8” ∅ 12.88 (0.507) 1.50 (0.059) ∅ 15.88 (0.625)

3/4” ∅ 16.05 (0.632) 1.50 (0.059) ∅ 19.05 (0.750)

Size O.D. mm (inches) Material

1/4” 6.35±0.1 (0.250±0.004)

CU

3/8” 9.52±0.1 (0.375±0.004)

1/2” 12.70±0.1 (0.500±0.004)

5/8” 15.88±0.1 (0.625±0.004)

3/4” 19.05±0.1 (0.750±0.004)

Table 1. Coated Aluminum Tube (Conventional O.D. Type)

Table 1. 2 Conventional Copper Tube

Size I.D. mm (inches)Thickness

mm (inches)O.D.

mm (inches) Material

1/4” ∅ 4.91 (0.193) 0.85 (0.033) ∅ 6.60 (0.260)

AL3003

3/8” ∅ 8.06 (0.317) 0.87 (0.034) ∅ 9.80 (0.386)

1/2” ∅ 11.04 (0.435) 0.98 (0.039) ∅ 13.00 (0.512)

5/8” ∅ 14.04 (0.553) 1.11 (0.044) ∅ 16.25 (0.640)

3/4” ∅ 17.05 (0.671) 1.19 (0.047) ∅ 19.43 (0.765)

Table 1.1 Coated Aluminum Tube (New O.D Type)

* Compatible with conventional ACR (Air-Conditioning and Refrigeration Field Service) type Copper Tubes

*Other sizes are available upon customer’s request

*Other sizes are available upon customer’s request

Tube Specification for Fittings