Zhejiang Parkson Water Industry Equipment Stock Co., Ltd.
Pass - Model 705 -Ductile Iron Low Pressure Flexible Coupling
The Model 705 is designed for connection of grooved low pressure pipe systems.
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ASTM A536
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Sizes-Inches/DN & Rated working pressure:
- 3/4"to 4"(DN20 to DN100), 600psi (42bar)
- 5" to 12"(DN125 to DN300), 300psi (21bar)
- For Sch40S cut groove only
MODEL 705 MATERIAL SPECIFICATIONS
Housings:
- Ductile Iron to ASTM A536
- Surface Finish:
- Antirust paint red or blue
- Hot dip zinc galvanized
- Epoxy power
- Dacromet
- Teflon ( PTFE)
- RilsanPAll
Rubber Gaskets:
The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150°C). It is not suitable for medium like petroleum.
Bolts & Nuts:
- Round-head, elliptoid -neck, carriage bolts, type carbon iron covered
- with zinc or dacromet
- stainless steel nuts ASTM A-193 B-8M
- Silicone bronze heavy duty nuts to ASTM B98 C65100 for option