Hf-Valves

Author: HF Valves

  • High-Pressure Gate Valve

    High-Pressure Gate Valve

    Product

    High-Pressure Gate Valve

    High-Pressure Gate Valve is an industrial valve designed for high pressure and high temperature applications. With a robust wedge gate structure, it offers excellent sealing, low pressure drop, and long service life. Widely used in oil and gas, petrochemical, power generation, and industrial pipeline systems, it ensures reliable shut-off and safe flow isolation for critical media.

    High-Pressure Gate Valve Specification

    Size: NPS 2″~18″

    Pressure : Class1500/Class2000/Class2500/Class3500

    Main Material: WCB; WC1,WC6,WC9 CF8M, CF3M, CF3 ;LCB,LCC etc.

    Design: API600

    Test: API598

    BW: ASME B16.25

    FACE TO FACE: ASME B16.10

    high-pressure gate valve

    Main Parts Material:

    BODY

    BODY.BONNET.GATE

    STEM

    PACKING

    WCB

    CF8

    CF8

    Flexible graphite

    WC6

    WC6

    38CrMoALA

    Flexible graphite

    ZG1Cr5Mo

    ZG1Cr5Mo

    38CrMoALA

    Flexible graphite

    CF8

    CF8

    F304

    Flexible graphite

    Features:

    1. Reasonable structure design, good performance, smooth channel and small flow coefficient
    2. The sealing surface is made of stainless steel and hard alloy, witha long service life.
    3. The use of flexible graphite filler, reliable sealing performance, light and flexible operation
  • Pressure Seal Gate Valve

    Pressure Seal Gate Valve

    Product

    Pressure Seal Gate Valve

    Pressure Seal Gate Valve is designed for high pressure and high temperature service, providing reliable shut-off performance and long-term durability. Featuring a pressure seal bonnet design, it reduces leakage risk and ensures stable operation under demanding conditions. It is widely applied in power generation, oil & gas, petrochemical, and steam pipeline systems. Available in cast steel construction with customized solutions to meet various industrial requirements.

    Specification

    Size: NPS 2″~24″
    Pressure : 900LB~2500LB
    Connection: RF, RTJ, BW
    Face to face: ASME B16.10
    Flange Dimension Standards：ASME B16..5
    Design ：API602, ASME 16.34, BS 5352, BS 6364
    Test: API598
    Operation: Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

    pressure seal gate valve

    Main Parts Material:

    Body

    WCB

    WC6

    CF8

    CF3

    Disc

    WCB

    WC6

    CF8

    CF3

    Stem

    F6a

    38CrMoALA

    F304

    F316

    Packing

    Packing

    Graphite

    Graphite

    Graphite

    Applicable medium:

    water, steam，other non-corrosive medium

    Features:

    1. The fluid resistance is small, and the sealing surface is less brushed and eroded by the medium.
    2. Easy to open and close.
    3. The flow direction of the medium is not limited, and the pressure is not disturbed or reduced.
    4. Simple shape, short structure length, good manufacturing process, wide range of application.
    5. Unique self-sealing design, the higher the pressure, the more reliable the sealing.
  • Stainless Steel Gate Valve

    Stainless Steel Gate Valve

    Product

    Stainless Steel Gate Valve

    Stainless Steel Gate Valve is a corrosion-resistant industrial valve designed for reliable shut-off and flow isolation. Made from high-quality stainless steel, it offers excellent durability, strength, and long service life. Widely used in chemical, food processing, pharmaceutical, oil & gas, water treatment, and industrial pipeline systems, it is suitable for applications requiring clean, safe, and efficient fluid control.

    Specification

    Size: NPS 2″ ~32″
    Pressure: 150LB -900LB
    Connection: RF, RTJ, BW
    Face to face: ASME B16.10
    Flange Dimension Standards: ASME B16..5
    Design ：API602, ASME 16.34, BS 5352, BS 6364
    Test: API598
    Operation: Handwheel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

    Stainless Steel Gate Valve

    Main Parts Material:

    Part Name

    ZG1Cr18Ni9T
    i304 CF8

    ZGOOCr18Ni10
    304L CF3

    ZG1Cr18Ni12Mo
    2Ti316 CF8M

    zgoocR17nI14mO2
    316L CF3M

    WCB

    Body/Cap

    OCr18Ni9

    OOCr18Ni10

    OOCr18Ni9Mo2

    OOCr18Ni10Mo2

    WCB

    Stem

    OCr18Ni9

    OOCr18Ni10

    OOCr18Ni9Mo2

    OOCr18Ni10Mo2

    1Cr3

    Stem Packing

    PTFE

    PTFE

    PTFE

    PTFE

    Graphite

    Gasket

    304+PTFE

    304L+PTFE

    316+PTFE

    316L+PTFE

    Graphite+304

    Gland Flange

    OCr18Ni9

    OOCr18Ni10

    OOCr18Ni9Mo2

    OOCr18Ni10Mo2

    WCB

    Bolt

     Stainless Steel

    34GtMoA

    Nut

     Stainless Steel

    45

    Features:

    1. The sealing surface of the gate and seat is made of cemented carbide overlay welding of different hardness, which is well sealed and long in use;
    2. The valve stem is tempered and surface nitride, and has good corrosion resistance, scratch resistance and wear resistance;
    3. Flexible gate structure, medium and large diameter thrust bearings are set, the friction force is small, and it is equipped with a handwheel, easy to open and close.
    4. It can adopt piping flange standard and flange sealing surface form, which meets the engineering needs and user requirements.
  • Cast Steel Gate Valve

    Cast Steel Gate Valve

    Product

    Cast Steel Gate Valve

    Cast Steel Gate Valve is a durable industrial valve designed for reliable shut-off and flow isolation in demanding applications. Manufactured with a cast steel body, it provides excellent strength, corrosion resistance, and long service life. Widely used in oil and gas, petrochemical, power generation, water treatment, and industrial pipeline systems, it is suitable for high pressure and high temperature media.

    Specification

    Size: NPS 2”~40”
    Pressure: 150LB~2500LB
    Connection: RF, RTJ, BW
    Face to face: ASME B16.10
    Flange Dimension Standards：ASME B16..5
    Design：API602, ASME 16.34, BS 5352, BS 6364
    Test: API598
    Operation: Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

    cast steel gate valve

    Main Parts Material:

     

    Body

    ASTM A216 WCB

    ASTM A351 CF8

    Disc

    WCB

    CF8

    CF8M

    MONEL

     

    Stem

    F6

    F304

    F316

    MONEL

    F304

    Seat

    13Cr  13Cr STL

    304 STL

    316 STL

    MONEL

    304 304 STL

    Features:

    1. Compact structure, small size, good rigidity, safe and reliable .
    2. The closing element (gate) adopts an elastic structure, which can automatically compensate for valve body deformation caused by abnormal load or temperature during operation.withthe reliable sealing。
    3. For 150LB manual valves with a diameter large or equal to NPS10 “, and pressure 600LB-2500LB largeror equal to NPS6”, are equipped with rolling bearings in their operating devices for easy opening and closing.
    4. The main materials,trimand fasteners can be reasonably combined according to user requirements or actual working conditions.
    5. For valves≤ 10 “, the valve seat can be replaced.
  • Ventilation Butterfly Valve

    Ventilation Butterfly Valve

    Product

    Ventilation Butterfly Valve

    Ventilation Butterfly Valve is specially designed for air, gas, and exhaust gas flow control in ventilation and industrial duct systems. With a simple structure, low operating torque, and reliable shut-off performance, it ensures efficient and stable operation. It is widely used in HVAC systems, power plants, dust collection systems, and industrial ventilation applications, providing a cost-effective solution for airflow regulation and isolation.

     Specification

    Size: NPS 2”-8”
    Pressure: 150LB
    Body Materials: Cast Iron/Ductile Iron
    Seat Materials: EPDM / NBR/ VITON / PTFE
    Design: API 609, MSS SP-67
    Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
    Pressure Test: API 598
    Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
    Top Flange: ISO5211
    Suitable Medium: air, Sewage, steam, gas, oil, etc

    Ventilation Butterfly Valve

    Main Parts Material:

    Part

    Material

    Body

    WCB,QT450

    Disc

    WCB,QT450

    Shaft

    2Cr13

    O ring

    EPDM / NBR/ VITON / PTFE

    Packing

    Flexible graphite