More than 20 years of OEM and ODM service experience.

Check Valves

  • ASME Swing Check Valve

    ASME Swing Check Valve

    ASME Swing check valve,carbon steel,stainless steel and alloy steel

    Diameter:2″-32″,Class150-Class2500

    BS1868/ASME B16.34/API6D

    Face to face to ANSI B16.10

    Body/bonnet/Disc:WCB/LCB/WC6/WC9/CF8/CF8M

    Trim:No.1/No.5/No.8/Alloy

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

  • 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.

  • Forged Steel Check Valve

    Forged Steel Check Valve

    Diameter:1/2″-2″,800lbs-2500lbs

    API602

    bollted bonnet/welded bonnet/pressure seal

    Body/bonnet/Disc:A105/F304/F316/F11/F22/LF2/Monel etc

    Trim:13CR+STL/F304/F316

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

  • Lift Check Valve

    Lift Check Valve

    DIN/EN Cast steel Swing check valve

    Diameter:DN40-DN600,PN16-PN100

    EN13709/DIN3840

    Face to face to EN558-1/DIN3202

    Body/bonnet/Disc:GS-C25/1.4308/1.4408

    Trim:13CR+STL/F304/F316

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

  • Metal Seat Dual Plate Check Valve

    Metal 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 Metal Seat Dual Plate 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.