SS/DI PN10/16 Class150 Flange Knife Gate Valve

Depending on the medium and working conditions, DI and stainless steel are available as valve bodies, and our flange connections are PN10, PN16 and CLASS 150 and etc. The connection can be wafer, lug and flange. Knife gate valve with flange connection for better stability. Knife gate valve has the advantages of small size, small flow resistance, light weight, easy to install, easy to disassemble, etc.

  • Size: 2”-80”/DN50-DN2000
  • Pressure Rating: PN10/16, 150LB
  • Warranty: 18 Month
  • Brand Name: ZFA Valve
  • Service: OEM
  • Product Detail

    Product Detail

    Size & Pressure Rating & Standard
    Size DN40-DN2000
    Pressure Rating DN50-100  PN16  DN150-200  PN10  DN250-400  PN7  DN450-600  PN5   DN650-750  PN4  DN800-900  PN3  DN1000   PN2
    Design Standard JB/T8691-2013
    Flange Standard GB/T15188.2-94 chart6-7
    Test Standard GB/T13927-2008
    Body Ductile iron; WCB; CF8; CF8M; 2205; 2507
    Disc SS304; SS316; 2205; 2507; 1.4529
    Stem/Shaft SS410/420/416; SS431; SS304; Monel
    Seat  Stainless Steel+STL
     EPDM (120°C) /Viton(200°C)/PTFE(200°C) /NBR(90°C)
    Bushing PTFE, Bronze
    O Ring NBR, EPDM, FKM
    Actuator Gear Box, Electric Actuator, Pneumatic Actuator

    Product Display

    flange knife gate valve22-2
    flange knife gate valve-3
    flange knife gate valve ss-4
    flange knife gate valve-4
    flange knife gate valve ss6
    flange DI knife gate valve -10

    Product Advantage

    Knife gate valves are mainly used in papermaking, chemical fiber, petrochemical, metallurgy, mud, electricity, sewage treatment. In pharmaceutical and other working conditions, the knife gate valve is mainly composed of a valve body and a gate. The material of the valve body is ductile iron, carbon steel and stainless steel, and the sealing surface is made of natural wear-resistant rubber, fluorine rubber, nitrile rubber, and EPDM rubber. And metal sealing, from the structural point of view, the knife gate valve has a compact design, takes up little space, and can effectively support the strength of the pipeline.

    There are 3 features as below:
    1. The bottom of the gate is a U-shaped sharp blade, which can scrape off the adhesive on the sealing surface and quickly cut off the fluid. medium.
    2. The surface of the gate has been finely ground and polished, which not only has a better sealing effect, but also effectively protects the service life of the packing and valve seat.3. The guide block on the valve body makes the gate move correctly, and the extrusion block ensures the effective sealing of the gate.

    ZFA Valve strictly execute API598 standard, we do both side pressure testing for all the valve 100%, guarantee deliver 100% quality valves to our customers.

    The valve body adopt GB standard material, there’re total 15 process from iron to valve body.

    The quality inspection from the blank to the finished product is 100% guaranteed.

    ZFA Valve focus on valves production for 17 years, with professional production team, we can help our customers to archive your goals with our stable quality.

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