Hf-Valves

Tag: valve

  • Top Entry Ball Valve

    Top Entry Ball Valve

    Product

    Top Entry Ball Valve

    Top Entry Ball Valve features a top-mounted design that allows easy maintenance and inspection without removing the valve from the pipeline. Designed for high-pressure and critical applications, it provides reliable sealing, low operating torque, and long service life. It is widely used in oil & gas, petrochemical, power, and pipeline industries for safe shut-off and flow control.

    Top entry ball valve

    Specification

    Nominal diameter

    1/2″ – 60″ (DN15- DN 1500)

    Pressure range

    CLASS 150 – CLASS 2500 (Mpa 1.6- Mpa 42.0)

    Materials

    Carbon Steel, Stainless Steell, Duplex, Super Duplex, Inconel

    Design standard

    API 6D, API 608, API598, ASME B16.34, ISO 17292, BS5351  

    Connection ends

    RF、RTJ、BW、SW

    Flange Dimension Standards

    ASME B 16.5, ASME B16.47, ASME B16.25, ASME B16.11

    Operation

    Manual、Pneumatic、Electric、Gas-liquid interaction etc. 

    Temperature

    -196℃-540℃

    Pressure Test Standards

    API598 , API 6D , BS12569

    Application

    Oil and gas、Chemical、petrochemical、Power plant、Metallurgy、Papermaking etc. 

    Features:

    1. Top entry ball valve is valve Installing ball into valve body by the upper for repairing conveniently.
    2. Top entry ball valve adopts elastic interface structure, which can adapt to different deviations of the pipeline, and increase the tightness and life of the valve.
    3. The valve stem adopts self-sealing structure to improves the reliability and tightness.
    4. It can be made of different materials, and is suitable for use in various media, pressure and environments.
  • Cast Steel Floating Ball Valve

    Cast Steel Floating Ball Valve

    Product

    Cast Steel Floating Ball Valve


    Cast Steel Floating Ball Valves feature a floating ball design, providing reliable sealing performance, compact structure and long service life. They are widely used in oil & gas, chemical, petrochemical, power and general industrial applications.

    Available types include cast steel two-piece, forged steel two-piece, forged steel three-piece and one-piece cast floating ball valves.

    cast steel floating ball valve

    Specification

    Nominal diameter

    1/2″ – 8″ (DN 15-DN 200)

    Pressure range

    CLASS 150 – CLASS 600

    Design standard

    API6D、ASME B16.34、BS5351、ISO17292、DIN

    Connection ends

    RF、RTJ、BW、NPT、SW

    Operation

    Manual、Pneumatic、Electric、Gas-liquid interaction etc.

    Bore

    Full Bore, Reduced Bore

    Material

    WCB, WC6, WC9, WCC, CF8, CF3, CF3M, CF8M

    Temperature

    -196℃-540℃

    Pressure Test

    API598 API 6D BS12569

    Application

    Petroleum、Natural gas、Chemical、petrochemical、Power station、Metallurgy、Papermaking etc.

    Features:

    1. Simple structure, easy operation and easy maintenance
    2. Low fluid resistance and large flow regulation range
    3. Good sealing and strong corrosion resistance
    4. Wide range of application and long service life
  • PTFE Lined Wafer Butterfly Valve

    PTFE Lined Wafer Butterfly Valve

    Product

    PTFE Lined Wafer Butterfly Valve

    Specification

    Size: NPS 1 1/2”-48“
    Pressure: 150LB
    Body Materials: Cast iron/Cast steel/Stainless steel
    Seat Materials: PTFE
    Disc Materials: WCB+PTFE
    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
    Applicable medium: Water, weak acid and alkali, air, steam, oil, etc.
    Design: API 609, MSS SP-67

    Rubber lined butterfly Valve seal selection:

    Seal material

    Applicable temperature

    Applicable media

    NR

    ≤85℃

    Water, air, acids and alkalis

    CR

    ≤85℃

    Water, gas, acids and alkalis

    NBR

    ≤100℃

    Water, oil

    EPDM

    ≤120℃

    Water, steam, general acids and alkalis

    Features:

    1. Small and light weight, can be installed in any position and easy to disassemble and repair.
    2. The structure is simple and compact, with a 90 ° rotation for quick opening and closing.
    3. Excellent wear reduction, self-lubrication, and reduced operating torque by over 40% compared to ordinary butterfly valves.
    4. It is non-toxic, odorless, and antibacterial, which meet the requirements of green environmental protection.
    5. Resistant to salt, alkali, and weak acid corrosion, with wide applicability.
    6. Pinless connection ensures complete isolation and high reliability between the medium and the metal.
  • Triple Eccentric Butterfly Valve

    Triple Eccentric Butterfly Valve

    Product

    Triple Eccentric Butterfly Valve

    Triple Eccentric Butterfly Valve, also known as Triple Offset Butterfly Valve, is a high-performance industrial butterfly valve featuring advanced triple offset technology and metal seat design. It provides bubble-tight sealing, low operating torque, excellent durability, and reliable performance under high pressure and high temperature conditions.
    Widely used in oil & gas, petrochemical, LNG, power generation, chemical processing, and water treatment industries, this triple offset butterfly valve is designed for critical applications involving steam, gas, oil, and other demanding media. It is an ideal solution for reliable shut-off and precise flow control in industrial pipeline systems.

    Specification

    Size: DN100～DN3600

    Pressure: 150LB 300LB

    Connection: Wafer type, Lug Type,

    Body: WCB；stainless steel ；Aluminum bronze

    Seat: Stillite；tungsten carbide; nickel alloys; Monel; stainless steel

    Material:  Water, oil, gas, and various corrosive media

    Main Parts Material:

    BODY、DISC

    WCB

    CF8/304

    CF3M/316L

    STEM

    2Cr13

    304

    316L

    O RING

    304+Flexible graphite

    304+PTFE

    304+PTFE

    PACKING

    Flexible graphite

    PTFE

    PTFE

    Features

    1. The butterfly valve adopts three eccentric hard seal structure, seat and plate are almost wear-free
    2. The dual advantages of metal hard seal and elastic seal, have excellent sealing performance in low temperature and high temperature, corrosion resistance, long service life and other characteristics.
    3. Valve disc overlays HF, which is wear-resistant and has a long service life
  • PTFE Lined Flanged Butterfly Valve

    PTFE Lined Flanged Butterfly Valve

    Product

    PTFE Lined Flanged Butterfly Valve

    PTFE lined flanged butterfly valve is designed for handling corrosive and aggressive media in chemical, pharmaceutical, water treatment, and industrial applications. The valve features a PTFE lining that provides excellent corrosion resistance, low friction, and reliable sealing performance. With a lightweight design, low operating torque, and long service life, it is an ideal solution for demanding applications requiring high chemical compatibility and leak-free operatio

    Specification

    Size: NPS 2”-8”
    Pressure: 150LB
    Body Materials: Body Material: 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

    PTFE LINED FLANGED BUTTERFLY VALVE

    Main Parts Material:

    Part

    Material

    Body

    WCB,QT450

    Disc

    WCB,QT450

    Shaft

    2Cr13

    O ring

    EPDM / NBR/ VITON / PTFE

    Packing

    Flexible graphite

    Features:

    1. The use of PTFE lining without pins ensures the isolation of the medium from the metal and improves the reliability of the product.
    2. The sealing surface has good wear resistance
    3. It can be installed in any position, and the maintenance is convenient.
    4. The seal can be replaced, and the sealing performance is reliable to achieve zero leakage in both directions.
    5. Rubber material has no toxicity, and is antibacterial and mildew-resistant.

  • Forged Steel Check Valve

    Forged Steel Check Valve

    Product

    Forged Steel Check Valve


    Forged steel check valve is designed to prevent reverse flow in high-pressure industrial pipeline systems. With excellent pressure resistance, reliable sealing performance, and durable construction, they are widely used in oil and gas, petrochemical, chemical processing, and power generation applications.

    Specification

     

    Size: NPS 1/2″ ~ NPS2″

    Pressure: 150LB~2500LB

    Connection: RF, SW, BW, RTJ

    Temperature: -29°C ~ 550°C

    Main material: carbon steel, stainless steel, alloy steel

    Medium: water, steam oil, nitric acid, acetic acid, etc

    Applications: Suitable for tap water, food, pharmaceutical, electric petroleum, liquefied gas, steam, and other media pipelines

    Main Parts Material:

    Part

    A105N

     F22

     F304(L)

     F316(L)

    Body

    A105N

    A182 F22

    A182 F304(L)

    A182 F316(L)

    Disc

    A276 420

    A276 F22

    A276 304(L)

    A276 F316(L)

    Stem

    A182 F6a

    A182

    A182 F304(L)

    A182 F316(L)

    Gasket

    316+Flexible graphite

    316+PTFE

    Bonnet

    A105N

    A182 F22

    A182/F304(L)

    A182/F316(L)

    Features:

    1. Design and manufacture according to API standards, reliable sealing, excellent performance.
    2. 600Lb above gate and seat overlaiedwith sellite, wear resistance, high temperature resistance, corrosion resistance,
    3. The valve stem is tempered and surface nitrided, and has good corrosion resistance and scratch resistance.
    4. It adopts wedge elastic gate structure, and sets rolling bearings with medium and large diameter, which is easy to open and close.
    5. 1500LB, 2500LB middle cavity adopts pressure self-tightening sealing structure
    6. The inverted seal is made of stainless steel threaded connection sealing seat or body overlay welding austenitic stainless steel, the seal is tight, and the packing replacement and maintenance can be carried out without stopping, which is convenient and fast and does not affect the operation of the system
  • Lug Type Double Plate Check Valve

    Lug Type Double Plate Check Valve

    Product

    Lug Type Double Plate Check Valve

    Specification

    Size: NPS8~60″ (DN200~1500mm)

    Pressure: Class150~900Lb

    Main Material: WCB、A105、 C5、WC6、WC9

    Design and manufacturing standards: API594, API 6D, ASME B16.34

    Structure length: API 594, API 6D, ASME B16.10

    Connections: ASME B16.5, ASME B16.47

    Test standards: API 598, API 6D

    Main Parts Material:

    ErPart

    Material

    Body

    WCB、304、316、316L

    O ring

    NBR、VITON

    Disc

    304、316、316L

    Gland

    304、316、316L

    Shaft

    304、316、316L

    Features:

    1. The structure length is short, which brings great convenience to the valve installation, handling, storage and pipeline layout, and can save costs.
    2. Reduce line vibration, in order to reduce line vibration to a minimum or eliminate line vibration, the check valve must be closed as soon as possible before the liquid flow has a chance to reverse flow. The size of each flap in a double-lobe check valve Only half the size of a fully constructed check disc, it experiences reduced fluid resistance and faster movement to the closed position. They have a radius of rotation half that of conventional check valves.
      Its leading distance from the open to the closed position is halved, thus reducing travel time by up to 50%
    3. The double-piece check valve reduces water hammer, and the flaps of the double-piece check valve have been greatly reduced in weight, which can reduce the slamming and water hammer phenomena to a small limit Degree.
  • Swing Check Valve

    Swing Check Valve

    Product

    Swing Check Valve


    Swing Check Valve is a reliable non-return valve designed to prevent reverse flow and protect piping systems. Featuring a hinged disc structure, it provides low pressure drop, smooth operation, and long service life. It is widely used in oil & gas, petrochemical, power generation, water treatment, marine, and industrial pipeline systems. Suitable for liquids, gases, and other media, Swing Check Valve ensures safe and efficient flow control in various applications.

    Swing Check Valve Specification

    Size: NPS 2″ ~ 24″

    Pressure: CL150~ 2500 lb

    Connection: RF, RTJ, BW

    Operating temperature: -196°C ~ +560°C

    Main material: carbon steel, stainless steel, alloy steel

    Design：API594、API6D、JB/T8937、GB/T12236
    Structure length：API594、API6D、DIN3202、JB/T89373

    Flange：SNSIB16.34、DIN2401、GB/T9124、HG20604、HG20625、SH3406、JB/T74

    Test：API598、JB/T9092

    swing check valve

    Main Parts Material:

    Body

    ASTM A216WCB

    ASTMA351 Cf8

    Disc

    WCB

    CF8

    CF8M

    Monel

    Pin

    F6a

    F304

    F316

    Monel

    F304

    Disc Surface

    13Cr

    13Cr

    STL

    304

    STL

    316

    STL

    Monel

    304

    304

    STL

    Seat Surface

    13Cr

    STL

    STL

    304

    STL

    316

    STL

    Monel

    304

    STL

    STL

    Body

    ASTM A351 CF3

    ADTM A351 CF8M

    ASTM A351 CF8

    Disc

    Pin

    F304L

    F316L

    F316

    Disc Surface

    304L

    304L

    STL

    316

    316

    STL

    316L

    316L

    STL

    Seat Surface

    304L

    STL

    STL

    316

    STL

    STL

    316L

    STL

    STL

    Features:

    1. The valve disc closes quickly. Low water hammer pressure.
    2. Horizontal or vertical pipes can be used, easy to install.
    3. The flow channel is smooth and the fluid resistance is small.
    4. Sensitive action and good sealing performance.
    5. The valve disc stroke is short and the impact force of closing the valve is small.
    6. Overall structure, simple and compact, beautiful shape.
    7. Long service life and high reliability.
  • Forged Steel Globe Valve

    Forged Steel Globe Valve

    Product

    Forged Steel Globe Valve

    Specification

    Size: NPS3/4”-2”
    Class: 150Lb~2500Lb
    Working temperature: -29～500℃
    Design: API 602
    Connection: RF, SW, BW, RTJ
    Face to face: ASME B16.10
    Test：API 598

    Main Parts Material:

    Body

    A105

    A182 F22

    A182 F304(L)

    A182 F316(L)

    Seat

    A276 420

    A276 304

    A276 304(L)

    A276 316(L)

    Disc

    A182 F430&410

    A182 F304

    A182 F304(L)

    A182 F316(L)

    Stem

    A182 F6

    A182 F304

    A182 F304(L)

    A182 F316(L)

    Gland Packing

    A276 410

    A182 F304(L)

    A182 F316(L)

    Features:

    1. The channel is smooth and the flow coefficient is small. The sealing surface is less susceptible to medium erosion and erosion.
    2. The sealing surface is made of alloy steel or hard alloy, with good wear and scratch resistance.
    3. Adopting flexible graphite packing, reliable sealing, and easy to operation.
    4. The flow direction of the medium is unrestricted, not only doesn’t disturb flow,but also not reduce pressure.
    5. Filler replacement and maintenance can be carried out in an online shutdown state, which is convenient and fast without affecting system operation.
  • Bellows Sealed Globe Valve

    Bellows Sealed Globe Valve

    Product

    Bellows Sealed Globe Valve

    Specification

    Size Range: DN15-DN400

    Pressure: PN16/25/40/64

    Body Materials: WCB/CF8/CF8M

    Disc Materials: A105+13Cr/CF8

    Stem Materials: 2Cr13/304   

    Face to face dimension: DIN3202

    Flanged ends: DIN2543-2545

    Test & inspection: DIN3230

    Working temperature：-29℃～425℃

    Suitable medium：Water,Oil,Gas etc.

    Application ：Municipal construction, Power, Medicine, Petroleum industry

    Main Parts Material:

    Body

    Bonnet

    Stem

    Disc

    Seat

    Paking

    WCB

    WCB

    13Cr

    2Cr13

    2Cr13

    Flexible graphite

    STL

    CF8

    CF8

    304

    304

    304

    Flexible graphite

    STL

    PTFE

    CF8M

    CF8M

    316

    316

    316

    Flexible graphite

    STL

    PTFE

    CF3

    CF3

    316

    304L

    304L

    Flexible graphite

    STL

    PTFE

    CF3M

    CF3M

    316

    316L

    316L

    Flexible graphite

    STL

    PTFE

    Features :

    1. Bellows sealed globe valve is simple in structure and good in performance.
    2. The stem nut adopts surface nitriding to improve the surface hardness .
    3. The medium flange bolt is made of high-strength alloy steel, with the ability to resist high temperatures.
    4. Double sealing of packing and bellows to achieve zero leakage.
    5. The bellows is designed in the inner cavity of the valve cover, which avoids direct flushing with the medium and improves the service life of the bellows.
    6. The bellows adopts 2~4 times overlap to prevent the valve leakage due to the damage of the single layer of the bellows, and prolong the service life of the valve.