The Model 77C is mainly designed for high pressure grooved piping systems, such as RO seawater desalination systems, and cut grooved piping systems with rated working pressure 1200 psi (83 bar). It is supplied in strong and anti-corrosive alloy materials of 304, 316, 316L, Duplex CD3MN (2205), Super Duplex CE8MN, CE3MN (2507). Its 316 bolts and nuts have excellent anti-corrosion performance and longer service life.
Sizes-Inches/DN
3/4″ to 12″ (DN20 to DN300)
Rated working pressure:
1200psi (83bar) , cut groove only
Housings:
Super duplex 2507(CE3MN)to ASTM A890 Grade5A
CE8MN to ASTM A890 Grade 2A
Duplex 2205(CD3MN)to ASTM A890 Grade4A
Austenic 254SMO(CK3MCuN) to A743
Austenic 904L(CN2MCuN) to A351
Type 316 to ASTM A351 CF8M
Type 316L to ASTM A351 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 (-30~110ºC). It is not suitable for medium like petroleum
Bolts:
Type 304 stainless steel track bolts to ASTM F593
Type 316 stainless steel track bolts to ASTM A193
Nuts:
Type 304 stainless steel nuts to ASTM F594
Type 316 stainless steel nuts to ASTM A194
Silicone bronze heavy duty nuts to ASTM B98 C65100 for option
