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  • Cast Steel Lift Check Valve

    Cast Steel Lift Check Valve

    DIN/EN Cast steel Lift check valve,piston check valve

    Diameter:DN15-DN400,PN16-PN100

    BS EN 12516-1,BS1868

    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 Cast Steel Lift Check Valve Manufacturer & Supplier.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • Metal Seat Dual Plate Check Valve

    Metal Seat Dual Plate Check Valve

    Metal seat dual plate check valve,double door check valve

    DN50-DN1200,2″-48″

    PN10/PN16/PN25/PN40/PN63/PN100,Class150/300/600/900/1500/2500

    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 Metal Seat Dual Plate Check Valve Manufacturer & Supplier.

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  • 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.

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  • Forged Steel Check Valve

    Forged Steel Check Valve

    Forged steel check valve,swing check valve,piston check valve(lift check valve)

    Diameter:1/2″-2″,800lbs-2500lbs,API602

    bollted bonnet/welded bonnet/pressure seal bonnet(PSB)

    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.

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  • Parallel Slide Gate Valve

    Parallel Slide Gate Valve

    Parallel slide gate valves are widely used in high pressure and high temperature services such as steam and feedwater.Double discs in parallel postion with compressed spring between them,double sealing with line pressure makes better sealing performance.

    Designed standard ASME B16.34,API600, BS1414

    2″-24″(DN50-DN600),Class150-Class2500lbs,RF-RTJ-BW

    Various type of operation for parallel slide gate valves:handwheel,manual gear,electric actuator etc.

    NORTECH is one of the leading China Parallel Slide Gate Valve Manufacturer & Supplier.

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  • DIN-EN Globe Valve

    DIN-EN Globe Valve

    DIN-EN Globe valve,Straight pattern globe valve(Tee pattern),angle pattern globe valve,Oblique pattern globe valve(Y type)

     

    could be designed as stop check valve,globe check valve,SDNR.

    bellows seal available on request for high temperature steam application

    Design and manufacturer EN13709,diameter DN15-DN400,PN16-PN100.

    in Cast steel(1.0619),stainless steel(1.4308,1.4408),alloy steel and duplex stainless steel

    NORTECH is one of the leading China DIN-EN Globe Valve Manufacturer & Supplier.

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  • Forged Steel Globe Valve

    Forged Steel Globe Valve

    API602 Forged Steel Globe Valve

    1/2″-2″,800lbs-1500lbs-2500lbs

    API602/BS5352/ASME B16.34

    socket weld TO ANSI B16.11

    thread end to ASME B1.20.1

    Body:A105/F11/F22/F304/F304L/LF2/LF3/F316

    Trim:No.1/No.5/No.8,SS304/SS316/Monel

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

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  • Bellow Seal Globe Valve

    Bellow Seal Globe Valve

    Bellows seal globe valve,in cast steel,stainless steel and alloy steel,for high temperature steam.

    Straight pattern globe valve(Tee pattern),angle pattern globe valve,Oblique pattern globe valve(Y type)

    Design and manufacturer DIN3356/EN13709

    DN15-DN400,PN10/16/25/40

    in Cast steel(1.0619),stainless steel(1.4308,1.4408),alloy steel and duplex stainless steel

    NORTECH is one of the leading China Bellows Seal Globe Valve Manufacturer & Supplier.

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