75L STAINLESS STEEL COUPLING

The Model 75L is mainly designed for low pressure grooved piping systems, such as low pressure microfiltration, ultrafiltration and reverse osmosis systems, municipal water piping systems, and grooved piping systems with rated working pressure 350 psi (25 bar). It is supplied in CF8 (304) or CF8M (316). 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:
350 psi (25 bar) , cut groove only

MODEL 75L MATERIAL SPECIFICATIONS

Housings:
□Type 304 Stainless steel to ASTM A351 CF8 or A743 Gr. CF8
□ Type 316 to ASTM A351 CF8M
□ Type 316L to ASTM A351 CF3M
□ CE8MN to ASTM A890 Grade 2A
□ Austenic 904L(CN2MCuN) to A351
□ Duplex 2205 (CD3MN) to ASTM A890 Grade 4A
□ Super duplex 2507(CE3MN) to ASTM A890 Grade 5A
□ Austenic 254SMO(CK3MCuN) to A743

Rubber Gaskets:
The gasket seals is C-shaped, made of standard gasket EPDM (ethylene propylene diene monomer) for cold water, hot water, dilute acid, oil-free air and multiple chemical product (-30~110℃).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