More than 20 years of OEM and ODM service experience.

Products

  • Resilient Seated gate valve

    Resilient Seated gate valve

    Resilient seated gate valve,wedge gate valve for water

    DN50-DN1200,PN6-10-16,2″-48″,ANSI 125-150

    Inside screw Non-rising stem and outside screw & York rising stem

    DIN3352 F4/F5,EN1074-2/BS5163/AWWA C509

    WRAS and ACS Certified

    NORTECH is one of the leading China Resilient Seated gate valve

     Manufacturer & Supplier.

  • Large size Cast Iron Gate Valve

    Large size Cast Iron Gate Valve

    Large size cast iron gate valves

    Vertical and horizontal installation.

    Body in cast iron,ductile iron,brass,bronze and stainless steel seal ring

    for water treatment,sugar plant,potable water

    PN6-10-16

    OS&Y Rising stem DN700-DN1200

    Non-rising stem DN700-DN1800

    DIN3352 F4/F5,EN1074-2/BS5163/AWWA C500

    NORTECH is one of the leading China Metal Seated Cast Iron Gate Valve Manufacturer & Supplier.

  • Metal Seated Cast Iron Gate Valve

    Metal Seated Cast Iron Gate Valve

    Metal seated cast iron gate valves

    Body in cast iron,ductile iron,brass,bronze and stainless steel seal ring

    for water treatment,sugar plant,potable water

    PN6-10-16

    OS&Y Rising stem DN50-DN1200

    Non-rising stem DN50-DN1800

    DIN3352 F4/F5,EN1074-2/BS5163/AWWA C500

    NORTECH is one of the leading China Metal Seated Cast Iron Gate Valve Manufacturer & Supplier.

  • 3 way ball valve

    3 way ball valve

    3 way ball valves  are Type T and Type L. T – type can make three orthogonal pipeline mutual connection and cut off the third channel, diverting, confluent effect. L Three-way ball valve type can only connect the two mutually orthogonal pipes, can not keep the third pipe connected to each other at the same time, only play a distribution role.

    3 way ball valve L type and T type

    fire safe and ATEX Certified
    Nominal Size Range: NPS 1/2” ~ 12”
    Pressure Rating: Class 150LB – 900LB
    Connection: Flange (RF, FF, RTJ), Butt Welded (BW), Socket Welded (SW)
    Design Specifications:
    Design: API599 API6D
    Pressure-temperature rating: ASME B16.34
    Face-to-face dimensions for butt weld and flanged valves: ASME B16.10
    Flange design: ASME B16.5
    Butt welding design: ASME B16.25

    NORTECH is one of the leading China 3 way ball valve   Manufacturer & Supplier.

  • 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.

  • 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.

  • 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.

  • U Type Butterfly Valve

    U Type Butterfly Valve

    Double flange U type butterfly valve

    Same construction as the wafer type butterfly valves,mounting between flanges.

    with integral flanges to facilitate the positioning and installation.

    Resilient rubber seat vulcanized on the body.

    Design and Manufacture standard:API609/EN593

    Face to face:ISO5752/EN558-1 series 20

    Flange end EN1092-2 PN10/PN16/PN25,ANSI 125/150

    Type U DN350-DN1200(14″-48″)

    Body:Ductile iron/carbon steel/stainless steel/Alu-bronze

    Disc:Ductile iron/carbon steel/stainless steel/Alu-bronze

    Seat:EPDM/NBR/FKM/Silicone

    NORTECH is one of the leading China U Type Butterfly Valve Manufacturer & Supplier.

  • Resilient seated Butterfly Valve lug type

    Resilient seated Butterfly Valve lug type

    Resilent seated butterfly valves lug 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 lug type Manufacturer & Supplier.