75L STAINLESS STEEL COUPLING

 

75L STAINLESS STEEL  

LOW PRESSURE FLEXIBLE COUPLING

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The Model 75L is designed for low pressure MF/UF/RO systems. It is made of CF8 (304) or CF8M (316)

with 304 or 316 bolts and nuts.

 

Sizes-Inches/DN

3/4″to 12″DN20 to DN300

Rated working pressure:

350 psi (25 bar)  Sch. 40S, cut groove only75L

 

MODEL 75L MATERIAL SPECIFICATION

 Housings:

Type 304 Stainless steel to ASTM A351 CF8 or A743 Gr. CF8

□Type 316 to ASTM A743 CF8M

□Type 316L to ASTM A743 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, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable

for medium like petroleum.

 

Bolts&Nuts:

Type 304 stainless steel track bolts and nuts to ASTM F-593                                       

□Type 316 stainless steel track bolts and  nuts to ASTM F-593                                         

□Type 316 stainless steel track bolts ASTM A193 B-8M with silicone bronze heavy duty nuts to ASTM B98 C65100             

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