Hf-Valves

Tag: PTFE lined butterfly valve

  • Centerline Butterfly Valve

    Centerline Butterfly Valve

    Product

    Wafer Centerline Butterfly Valve

    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. Simple and compact structure, small and lightweight, easy to transport, install and disassemble.
    2. 90 degree switch, fast switching. Low operating torque, low labor save.
    3. Good sealing performance, long life, can achieve zero leakage.
    4. Select different parts materials, suitable for various media.
    5. The flow characteristics are similar to the straight line, and the adjustment performance is good.
  • Centerline Flanged Butterfly valve

    Centerline Flanged Butterfly valve

    Product

    Centerline Flanged Butterfly Valve

    Centerline Flanged Butterfly Valve is designed for reliable flow control and shut-off in water treatment, HVAC, power, and industrial pipeline systems. With a concentric disc design, it offers low operating torque, excellent sealing performance, compact structure, and easy maintenance. The flanged connection ensures simple installation and long service life.

    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

    Butterfly valves

    Main Parts Material:

    PartBodyDiscStem
    MaterialDuctile 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.
  • 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.