MODEL 77C STAINLESS STEEL HIGH PRESSURE FLEXIBLE COUPLING(SS-1200)

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

Sizes-Inches/DN

3/4 to 12inch(DN20 to DN300)

Rated  working pressure:

1200 psi (83 bar) Sch. 40S, cut groove only

MODEL 77C MATERIAL SPECIFICATIONS

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 EPDM(ethylene propylene diene monomer) for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150 degree). 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