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    Coupling Position:Home > Products > Coupling

    98SL ss flexible coupling

    Publish: 2010-02-22

    Model 98SL stainless steel low pressure flexible coupling 350 psi

    The Model 98SL is designed for low pressure MF/UF/RO systems.

     It is made of  CF8 (304) and CF8M (316) with 304 or 316 bolts and nuts.

    3/4 to 12 inch(DN20 to DN300)

    Rated working pressure:
    350 psi (25 bar) Sch. 40S, cut groove only


    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 degree).

    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