More than 20 years of OEM and ODM service experience.

Cast Iron Check Valve

  • Ball Check Valve

    Ball Check Valve

    Nominal diameter: DN40-DN300

    Disc type: Ball Check Valve

    Design standard: DIN3202 F6

    Body material: Ductile iron GGG50

    Ball material: Ductile iron GGG50 + EPDM/NBR coating

    NORTECH is one of the leading China Ball Check Valve Manufacturer & Supplier.

  • Cast Iron Swing Check Valve

    Cast Iron Swing Check Valve

    Nominal diameter: DN50-DN600/2”-24”

    Disc type: Swing Check Valve

    Design standard: BS5153/DIN3202 F6/AWWA C508

    Body material: Cast iron/Ductile iron

    Disc material: Cast iron/Ductile iron

    Seat material: Brass/Bronze/Stainless steel

    NORTECH is one of the leading China Cast Iron Swing Check Valve

     Manufacturer & Supplier.

  • Rubber Disc Swing Check Valve

    Rubber Disc Swing Check Valve

    Nominal diameter: DN50-DN600/2”-24”

    Disc type: Swing Check Valve

    Design standard: BS5153/DIN3202 F6/AWWA C508

    Body material: Cast iron/Ductile iron

    Disc material: Cast iron/Ductile iron/Rubber

    Seat material: Brass/Bronze/Stainless steel

    NORTECH is one of the leading China Rubber Disc Swing Check Valve Manufacturer & Supplier.

  • Rubber Seat Dual Plate Check Valve

    Rubber Seat Dual Plate Check Valve

    DIN/EN dual plate check valve,double door check valve

    DN50-DN1200,DIN/EN

    PN10/PN16/PN25/PN40/PN63/PN100

    Face to face to API594/ISO5752/EN558-1 series 16

    NORTECH is one of the leading China Rubber Seat Dual Plate Check Valve Manufacturer & Supplier.