More than 20 years of OEM and ODM service experience.

Cast Iron Check Valve

  • Ball Check Valve

    Ball Check Valve

    Ball check valve

    Nominal diameter:DN40-DN500

    Disc type:Ball Check Valve

    Design standard:EN12334,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

    Cast iron swing check valve,with closure device

    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.

  • Air cushioned cylinder Swing Check Valve

    Air cushioned cylinder Swing Check Valve

    Air Cushioned cylinder Cast iron swing check valve,with counterweight and actuator

    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 Air cushioned cylinder Cast Iron Swing Check Valve

     Manufacturer & Supplier.

  • Rubber Disc Swing Check Valve

    Rubber Disc Swing Check Valve

    Rubber disc swing check valve,swing flex,flexible swing check valve.

    Nominal diameter: DN50-DN900/2”-36”

    Disc type: Swing Check Valve

    Design standard: BS5153/DIN3202 F6/AWWA C508

    Body material: Cast iron/Ductile iron

    Disc material: Cast iron+Rubber vulcanised/Ductile iron vulcanised.

    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

    Rubber seat dual plate check valve,double door check valve

    WRAS,ACS certified for drinking water,potable water

    DN50-DN1000,2″-40″

    PN10/PN16,ANSI Class125/150

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

    Flange ASME B16.5,ASME B16.47,EN1092-1 

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