77C STAINLESS STEEL COUPLING

الوصف

The Model *7C is mainly designed for high pressure grooved piping systems, such as RO seawater desalination systems, and cut grooved piping systems with rated working pressure ***0 psi (*3 bar). It is supplied in strong and anti-corrosive alloy materials of **4, **6, **6L, Duplex CD3MN (***5), Super Duplex CE8MN, CE3MN (***7). Its **6 bolts and nuts have excellent anti-corrosion performance and longer service life.

Sizes-Inches/DN
3/4″ to *2″ (DN*0 to DN**0)

Rated working pressure:
***0psi (*3bar) , cut groove only

Housings:
Super duplex ***7(CE3MN)to ASTM A**0 Grade5A
â–¡ CE8MN to ASTM A**0 Grade 2A
â–¡ Duplex ***5(CD3MN)to ASTM A**0 Grade4A
â–¡ Austenic **4SMO(CK3MCuN) to A**3
â–¡ Austenic **4L(CN2MCuN) to A**1
â–¡ Type **6 to ASTM A**1 CF8M
â–¡ Type **6L to ASTM A**1 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 (**0~**0℃). It is not suitable for medium like petroleum
 

Bolts:

â–¡ Type **4 stainless steel track bolts to ASTM F**3

â–¡ Type **6 stainless steel track bolts to ASTM A**3

Nuts:

â–¡ Type **4 stainless steel nuts to ASTM F**4
â–¡ Type **6 stainless steel nuts to ASTM A**4
â–¡ Silicone bronze heavy duty nuts to ASTM B*8 C****0 for option