Ductile iron flexible couplings for grooved grooved piping system 350psi 21bar

Ductile iron flexible couplings for grooved grooved piping system 350psi 21bar

1. Specifications

• Size range (Diameter): DN20 to DN300  3/4" to 12"
• Pressure rating:           3/4" to 5" (DN20 to DN125) 350 psi ( 25 bar) 
                                   6" to 12" (DN150 to DN300) 300 psi (21 bar)
• Operation temperature range: -50 ℃ to 150 ℃
• Standards: ANSI/AWWA/ASTM/ANSI/NSF61

2. Description

Our flexible couplings give contractors, engineers and owners an unmatched competitive edge cutting piping system installation time, and making installations safer. These grooved pipe joints offers you with innovative solutions acrossdiverse business lines including building services, clean water and waste water, fire protection, industrial construction, maritime, mining, oil, gas and chemical, power generation, as well as custom castings.

Quick connectors housing material: 

Ductile iron to ASTM A536

Surface finish: Antirust painting red or blue

• Hot dip zinc galvanized
• Epoxy powerder
• Dacromet
• Teflon (PTFE)
• Rilsan PA11

Rubber Gaskets or seals:

The gasket seals is C-shaped, made of standard gasket EPDM (ethylene propylene diene monomer) for cold water, hot water, rare acid, oilfree air and multiple chemical product (-50~150 ).It is not suitable for medium like petroleum

Bolts&Nuts:

Round head, elliptoid-neck, carriage bolts, type carbon iron plated with zinc or dacromet. 

3. Applications

4. Competitive advantage

• AutoCAD is used to design products and optimize structures

• Cast Process Design by by Castsoft CAD and CAE

• Strict Manufacturing Process control

• Quality Control Of The Casting Material

• Metal Material Laboratory for test of compositional, metallographic & mechanical property

• Perfect apperance

• Strict test standard compliance to UL213 and FM1920

• Strict standard for sealing gaskets production and material test.