High pressure stainless steel couplingis designed for high pressure applications including reverse osmosis and desalination systems. It is available in strong and anti-corrosive alloys of Duplex CD3MN (2205), Super Duplex CE8MN, CE3MN (2507). The 77C features 316 bolts and Nuts to help prevent galling during repetitive use. Silicone bronze heavy duty nuts to help prevent galling during repetitive use.

Housings:
Super duplex 2507 (CE3MN) to ASTM A890 Grade 5A
CE8MN to ASTM A890 Grade 2A
Duplex 2205(CD3MN)to ASTM A890 Grade 4A
Austenic 254SMO (CK3MCuN)to A743
Austenic 904L(CN2MCuN)to A351
Type 316 to ASTM A743 CF8M
Type 316L to ASTM A743 CF3M

Rubber Gaskets:
The gasket seals is C-shaped, made of standard gasket EPD(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:
Type 316 stainless steel track bolts to ASTM A193 B-8M
Nuts:
Silicone bronze heavy duty nuts to ASTM B98 C65100
 
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