Author: HF Valves

  • Centerline Flanged Butterfly valve

    Centerline Flanged Butterfly valve

    Product

    Centerline Flanged Butterfly Valve

    Specification

    Size: NPS 2”~48”/DN50~DN1400

    Pressure: 150LB /PN1.0~1.6M/Pa

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

    Temperature: -10~150℃

    Connection: Flange

    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

    Main Parts Material:

    Part Body Disc Stem
    Material Ductile Iron, Cast Iron + Rubber (NBR, EPDM)

    Ductile Iron, Bronze,

    Stainless Steel

    Stainless steel

    Features :

    1. Both sides of sealing performance are choiceness and the torque is small.
    2. Flow curve tending to straight line. Excellent regulated performance.
    3. Flange connection installed easily. Both vertical and horizontal installation are all right.
    4. Have multiplicity-sealing materials for user to choose.
    5. The valves can be used for pipe nozzle and have reliable performance.
    6.  Seat sealing and body are combined very well, with a long lifetime.
  • 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

    Ventilation Butterfly Valve

    Triple Eccentric butterfly valve is installed in the diameter direction of the pipe. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is between 0 ° ~ 90 °, and when the rotation reaches 90 °, the valve is fully open. Features of the new high life stainless steel butterfly valve and problems with the butterfly valve during use. widely used in metallurgy, electric power, petrochemical, water supply and drainage and municipal construction and other industrial pipelines with medium temperature ≤ 425 °C for regulating flow and cutting off fluids.

    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
  • High-performance Bufferfly Valve

    High-performance Bufferfly Valve

    Product

    High-performance Bufferfly Valve

    Specification

    Size:NPS 2”~48”/DN50~DN4000
    Pressure: 150LB~300LB/PN10~PN50;
    Matrial:Carbon steel, heat-resistant steel, stainless steel, nickel-based alloy, titanium alloy, etc.
    Temperature range:  -196℃~300℃; 
    Connection method:  clamp, flange, lug, etcDesign: 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
    Application: petroleum, petrochemical, natural gas, electric power, water conservancy and other industries.

    Main Parts Material:

    Body

    Carbon Steel

    WCB

    Carbon Steel

    A351 Gr CF8  CF8M  CF3M

    Disc

    Carbon Steel

    A351 Gr CF8  CF8M  CF3M

    Retainer

    Carbon Steel

    A351 Gr CF8  CF8M    CF3M

    Seat

    PTFE PTFE+CLASS FIRER PTFE+GRARHITE

    PTFE /RPTFE

    Bushing

    PTFE+316SS

    PTFE+316SS

    Stem

    Carbon Steel

    A182 F304  F316 A564 Gr.630 A479 Gr.XM-19

    Pin

    Carbon Steel

    A240 Gr.316

    Seal

    PTFE

    PTFE

    Gland Packing


    PTFE PTFE+GRAPHITE


    PTFE RPTFE

    Feature:

    1. Double eccentric structure design. The uniquely designed lip sealing structure achieves zero leakage of two-way bubble level under elastic interference and self-sealing.
    2. Interchangeable PTFE seats can be used in a variety of different working conditions to achieve long service life and effect.
    3. Anti-blowout valve design.
    4. Under the working condition of fugitive medium, the low-leakage carbon fiber bowl type combined with packing structure can be adopted to meet the requirements of ISO15848 and API622 standards.
    5. The tangential pin of the valve stem is half on the valve plate and half in the valve stem, and the tangential positioning makes the squeeze force of the valve plate and the valve instead of the shear stress, making the connection more reliable.
    6. Equipped with ISO 5211 standard connecting plate, pneumatic device, electric device, gas-liquid linkage device and other remote control mechanisms can be installed for automatic control system.
  • PTFE Lined Flange Butterfly Valve

    PTFE Lined Flange Butterfly Valve

    Product

    PTFE Lined Flange Butterfly Valve

    Rubber-lined butterfly valve refers to the rubber and the valve body in the butterfly valve vulcanization into one by high temperature, and the sealing structure with different performance (fully rubber-lined and semi-rubber-lined butterfly valve)to meet the normal use of rubber-lined butterfly valve in different application places. The valve not only has the characteristics of anti-corrosion, wear-resistant, non-toxic, anti-mildew, etc., but also has reliable sealing performance. The rubber-lined butterfly valve is suitable for the transportation of liquids and gases (including steam) and other media in various types of industrial pipelines, as well as the use of weakly corrosive fluid media, and do two-position control or medium flow adjustment. The working temperature generally does not exceed +180 °C, and the nominal pressure ≤ 1.6MPa. Widely used in food, medicine, chemical, petroleum, electric power, textile, papermaking and other places.

    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

    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 rubber 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.

  • Fully Weld Butterfly Valve

    Fully Weld Butterfly Valve

    Product

    Fully-Weld Butterfly Valve

    Fully Weld butterfly valve is used in dusty cold or hot air gas pipelines in ventilation and environmental protection projects in the chemical, building materials, power stations, glass and other industries as flow regulating or cutting devices for gas media.



    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 fully weld butterfly valve is  with a simple structure, easy to maintain and install.
     
    2.Small in size and light in weight, suitable for compact installation space.
     
    3. Low fluid resistance: the internal flow channel of the welded butterfly valve is unobstructed, and the resistance when the fluid passes through is small, which can reduce energy consumption.
     

    4. Good sealing performance: the valve adopts rubber sealing ring or metal sealing ring, which has good sealing performance and can effectively prevent leakage. 

    5.  High temperature resistance and corrosion resistance:  valve can be made of high temperature resistant and corrosion resistant materials, suitable for a variety of working conditions.

     
  • Forged Steel Check Valve

    Forged Steel Check Valve

    Product

    Forged Steel Check Valve

    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.
  • Wafer Lifting Check Valve

    Wafer Lifting Check Valve

    Product

    Wafer Lifting Check valve

    Specification

    Sizer: 1/2″ ~ 48″/DN15~ DN1200

    Pressure: Class150~ Class2500/ PN1.6~10.0MPa

    Applicable temperature: ≤350°C

    Main materials: WCB, WCA, WCC, WC6, WC9. C5、 C12、 LCB、 LCC、 CF8、 CF8M、CF3、 CF3M、CN7M、CF8C

    Design standards: API6D, JB/T8937, API594

    Structure length: API594, JB/T8937

    Connection standards: ASME B16.5, GB/T 9113, JB/T 79, HG/T 20592

    Pressure test: API 598, GB/T 13927. JB/T 9092

    Features:

    1. The product structure is short length, small size and lightweight.
    2. The sealing can be selected as soft to soft or metal to metalmaterial according to different working conditions, and the sealing performance is good.
    3. Horizontal or vertical pipelines can be used and easy to install.
    4. The valve disc closes quicklywith low water hammer pressure.
    5. Parts material and end face form and size can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.
  • Swing Check Valve

    Swing Check Valve

    Product

    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

    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.