More than 20 years of OEM and ODM service experience.

Products

  • Fully Welded Ball Valve

    Fully Welded Ball Valve

    Full welded ball valve,API6D pipeline ball valve

    Forged steel completely welded,underground valve.

    Nps:6″-40″

    Pressure rating:Class150-1500lbs

    Body Forged steel

    Seat NYLON/PTFE/RPTFE/PEEK/PPL

    ASME B16.34,API6D

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

  • Metal Seated Ball Valve

    Metal Seated Ball Valve

    Metal Seated Ball Valves,floating ball and trunnion ball

    suitable for severe working conditions,high temperature,wear resistance

    could be Uni-directional sealing and bi-directional sealing

    DBB available for Trunnion metal seated ball valve

    NPS:1/2″-36″

    Pressure rating:Class150-900lbs

    ASME B16.34,API6D

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

  • 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.

  • Top Entry Ball Valve

    Top Entry Ball Valve

    Top Entry Ball valves,are used in piping systems where the top of the valve can be removed to gain access to the ball and seats without removing the entire valve from the piping system. Top entry ball valves are typically used in process systems where in-line maintenance is preferred over full valve removal.

     

    • NPS:2″-36″
    • Pressure rating:Class150-2500lbs
    • Body:Cast steel/Forged steel
    • Seat:DEVLON/NYLON/PTFE/PPT/PEEK etc
    • ASME B16.34,API6D

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

  • Double Block And Bleed Ball Valve

    Double Block And Bleed Ball Valve

    The Double Block And Bleed Ball Valve,is designed to replace the complex form of multiple valve connections in pipeline.it utilize a twin-valve design. By combining two valves into one body, a twin-valve design reduces weight and potential leaks paths while meeting the OSHA requirements for double block and bleed.

    • Size: 1/2 – 16 Inch.
    • Pressure: Class 150 LB – 2500 LB.
    • Material: Carbon Steel, Stainless Steel, Alloy Steel, etc.
    • floating or trunnion mounted,for the purpose of DBB and DIB.

    NORTECH is one of the leading China Double Block And Bleed Ball Valve Manufacturer & Supplier.

  • 3 Piece Floating Ball Valve

    3 Piece Floating Ball Valve

    3-piece floating ball valves,thread end

    Design & Manufacture standards: ASME B16.34

    Face to Face Dimension:  ASME B16.10

    Thread Connection Dimension: BSP/BSPT/NPT

    Pressure-Temperature Rating: ASME B16.34

    Test And Inspection:  API598,API6D

    Type Of Operation:  Pneumatic actuator double acting.

    DN(NPS):  1/2″~4″

    PN(LB):  1000psi

    Material:  CF3,CF3M,CF8,CF8M

    NORTECH is one of the leading China 3 Piece Floating Ball Valve Manufacturer & Supplier.

  • Floating Ball Valve

    Floating Ball Valve

    Floating ball valves,nominal diameter 1/2”~8”

    API6D,Fire proof API607,ATEX Certified

    Pressure Rating:CLASS 150~600

    Design Standard:ASME B 16.34/API 6D /API 608/BS EN ISO17292/ISO14313

    Face To Face Dimensions:ASME B 16.10/API 6D/EN558

    Connection End:ASME B 16.5/ASME B 16.47/ASME B 16.25/EN1092/JIS B2220/GOST12815

    Type Of Connection:RF/RTJ/BW.

    Manual operation,Pneumatic operation,Electric operation,or Free stem with ISO5211 plat form foractuators.

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

  • Trunnion mounted Ball Valve

    Trunnion mounted Ball Valve

    Trunnion mounted ball valve NPS:2″-56″

    API 6D,API 607 Firesafe,NACE MR0175, ATEX Certified.

    Pressure rating:Class150-2500lbs

    Manual operation,Pneumatic operation and Electric operation.

    Body:Cast steel,Forged steel

    Seat:DEVLON/NYLON/PTFE/PPT/PEEK etc

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

  • Triple Eccentric Butterfly Valve

    Triple Eccentric Butterfly Valve

    Triple eccentric butterfly valve,high performance

    Design and Manufacture standard:API609

    Face to face:ANSI B 16.10

    Temperature and pressure ASME B 16.34

    Pressure rating ANSI 150/300/600/900

    DN50-DN1500(2″-60″)

    Materials:Carbon steel/Stainless steel/Monel/Hastelloy etc

    Seat:Multi-layer or metal-metal

    NORTECH is one of the leading China Triple Eccentric Butterfly Valve Manufacturer & Supplier.

  • Double Eccentric Butterfly Valve

    Double Eccentric Butterfly Valve

    Double eccentric butterfly valve high performance

    Design and Manufacture standard:API609

    Face to face:ANSI B 16.10

    Temperature and pressure ASME B 16.34

    Pressure rating ANSI 150/300/600

    DN50-DN1800(2″-72″)

    Body:Carbon steel/Stainless steel

    Disc:Stainless steel

    Seat:PTFE/RPTFE

    NORTECH is one of the leading China Double Eccentric Butterfly Valve Manufacturer & Supplier.

  • Double Eccentric Butterfly Valve rubber seated

    Double Eccentric Butterfly Valve rubber seated

    Design and Manufacture standard EN593/API609/AWWA C504
    Face to face:ANSI B 16.10/ ISO5752-13/EN558-1 series 13/14
    Flange end: ASME B16.5 / ASME B16.47 /AWWA C207/ EN1092-2
    Test: API598
    Pressure rating ANSI Class150/PN10/PN16/PN25
    DN350-DN2000(14″-80″)
    Body and disc:Ductile iron
    replaceable seat EPDM/NBR

    NORTECH is one of the leading China Double Eccentric Butterfly Valve AWWA Manufacturer & Supplier.

  • Resilient Seated Butterfly Valve Wafer Type

    Resilient Seated Butterfly Valve Wafer Type

    Resilient seated butterfly valves,wafer type,lined with rubber sleeve.

    Centric shaft position,100% bi-directional bubble tightness

    Pinless disc design to prevent the leakage from the disc

    Compact design and simple structure

    Easy maintanance with replaceable parts

    Function as isolation valve and flow regulating valve.

    wide range of application and low cost.

    Wafer type between flanges of various standard

    NPS 1.5”-24”  Mounted between flanges ANSI B16.1,ASME B16.5

    Diameter 40mm – 600 mm between flanges EN1092 PN10,PN16,PN25

    Design standard: API 609, BS EN 593, MSS SP-67.

    Face-to-Face dimension: API 609, ISO 5752, BS EN 558, BS 5155, MS SP-67.

    Lever / worm gearbox operator / electric operator / pneumatic operator

    Working Pressure: PN10/16/25,Class125/150

    NORTECH is one of the leading China Resilient seated Butterfly Valve wafer type Manufacturer & Supplier.

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