Place of Origin:Tianjin, China

Technics:Casting

Connection:groove end

Shape:CouplingHead 

Code:Round

Dimensions:1"(DN25)-24"(DN600)

Design Standard:ISO6182, AWWA C606, GB 5135.11

Connection Standard:ASME B36.10, ASTM A53-A53M, ISO 4200

Working Pressure:175PSI-500PSI

Application:water supply, fire-fighting ,air conditioningTemperature range:- 20 ℃-+180℃

DI GROOVD STANDARD FLEXIBLE COUPLING Type: 1N 

Standard flexible couplings are mainly used for grooved pipe connections where adjacent pipe ends allow a certain amount of relative angular displacement and corresponding axial rotation.  

Application:
Standard flexible couplings are suitable for medium and low pressure pipeline systems with nominal pressure 175-500 PSI, nominal size DN25-DN600, temperature range of - 20 ℃-+180 ℃, which are widely applied in water supply and drainage, fire-fighting, air conditioning, etc. 
Pipe Material: Welded and seamless rolled steel pipes according to ASME B36.10, ASTMA53-A53M, ISO 4200, GB/T 21835
Surface Treatment

□Electrophoretic painting  

□Epoxy power painting 

□Hot-dip galvanizing 

□Black 

□Others would be available upon clients' detailed request

SPECIFICATIONS Housing: ASTM A536, Ductile iron 65-45-12

Gasket: 

1. EPDM Gasket code E: Temperature:-34degree ~+110degree(-30~+230 F) 

Applicable media: water, gas, diluted acid(base), and other chemicals (excluding hydrocarbons) Note: strictly prohibit the use of oil and hydrocarbons. 

2. NBR , code D: Temperature: -29 degree~+82 degree(-20~+180F); 

Applicable media: petroleum products, vegetable oils,mineral oils,etc. 

Note: strictly prohibit use with high temperature susstances. 

3, Silicone Rubber, code S: Temperature: -40℃~+177degree (-40~+350F). Applicable media: high temperature and dry air and some high temperature chemicals, drinking water and so on .

4, Chloroprene Rubber,code LD: temperature : -32degree~+82 degree (-26~+180 F) 

Applicable media : sea water 

5 Fluororubber, code F:  Temperature: -20℃~+180 degree. Applicable media: hot oil, some chemical products, good oxidation resistance. 

Bolts/Nuts:  ANSI Heavy Hex Nut 1.Material: SAE J995 2. 2.Thread: ANSI B 1.1-1982, class 2B. 3.Surface Treatment: Zinc electroplated per ASTM B633 CLASS FE/ZN5 TYPE Ⅲ , thickness ≥ 5μm per class SC1.

Metric Heavy Hex Nut 

1. Material: ISO 898-2:1992 GB/T3098.2-2000 Class 8. 

2.Thread: ISO 261, tolerance 6h for M10& M12, 7h for M16 and above. 

3.Surface Treatment: Zinc Electroplated followed by a yellow chromate dip per ISO 2081 FE/ZN5, ISO4520 CLASS 1A. 

Hexagon Flange Nut: Dimension according to DIN6923 

ANSI Oval Neck Track Bolt 

1.Material: SAE J429 5. 

2.Thread: UNC thread per ANSI B 1.1 Class 2A. 

3.Surface Treatment: Silver chromate electroplated per ASTM B633 CLASS FE/ZN5 TYPE Ⅲ, thickness ≥ 5μm per class SC1. 

Metric Oval Neck Track Bolt 

1. Material: ISO 898-1: 1992 GB/T3098.1-2000 Class 8.8. 

2.Thread: ISO metric thread per ISO 261, tolerance 6h. 

3.Surface Treatment: Yellow chromate electroplated per ISO 2081 FE/ZN5 ISO4520 CLASS 1A.