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    Coupling Position:Home > Products > Coupling

    98SM ss flexible coupling

    Publish: 2010-02-22

    Model 98SM stainless steel medium pressure flexible coupling 600 psi
    The Model 98SM is designed for medium pressure reverse osmosis systems.

    The model 98SM is supplied standard in CF8 (304) and CF8M (316) with 304 or 316 bolts and nuts.

    3/4 to 8 inch(DN20 to DN200)

    Rated working pressure:
    600 psi (42 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 A 890 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 track bolts and nuts to ASTM F593
    □Type 316 stainless track bolts to ASTM A193 B-8M with silicone
    bronze heavy duty nuts to ASTM B98 C65100