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  4. Tilting-disc Check Valves
  • Tilting-disc Check Valves
  • Tilting-disc Check Valves
  • Tilting-disc Check Valves
  • Tilting-disc Check Valves
Tilting-disc Check ValvesTilting-disc Check ValvesTilting-disc Check ValvesTilting-disc Check Valves

Tilting-disc Check Valves

  • Product Item:H44H
  • Design and Manufacture: API6D,ANSIB16.34
  • Pressure-temperature rating: ASME B16.34
  • End Connection: 2"-24" ASME B16.5; 26" -42" ASME B16.47; B.W end ASME B16.25
  • Test and inspection: API598, API6D.
  • Tilting Disc Check Valve - Buy Tilting Disc Check Valve , Wafer Check Valve , Wafer Type Tilting Disc Check Valve Product
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    Description



    Tilting-disc Check Valves

    Tilting disc check valves produce slightly more pressure drop than swing check valves of the same size. These check valves have a single-piece disc without a hinge. In response to flow forces, the disc pivots about hinge pins that are located within the geometry of the disc and slightly above the center-line of the valve body. Due to the disc rotating onto the seat, the sealing surfaces must be conical. Some tilting disc check valves include a counterweight on the disc, dramatically increasing the disc stability with lower flow rates.


    Tilting disc check valves were designed specifically to minimize the potential for high-energy water hammer. This objective is accomplished by locating the disc center of rotation a short distance from its pivot point, thus allowing the disc to quickly close with flow stoppage or flow reversal. Although it is best to size this valve to be fully open, the disc is reasonably stable under some less than full-open flow conditions.

    When it comes to maintenance, tilting disc check valves are more challenging than swing check valves. To keep seat leakage to a minimum, the conical seating surfaces of the disc and in-body seat must mate well, and the disc pivot location must be precise.

    Standard:

    Design and Manufacture: API6D,ANSIB16.34
    Pressure-temperature rating: ASME B16.34
    Face to face(end to end): API6D,API594
    End Connection: 2"-24" ASME B16.5; 26" -42" ASME B16.47; B.W end ASME B16.25
    Test and inspection: API598, API6D.

    Tilting Disc Check Valve
    Size: 2"-36"
    Pressure: 150LB, 300LB, 600LB, 900LB,1500LB
    Material: WCB, LCB, LCC, WC6, WC9, C5, C12, C12A, CF8, CF8M, CF3, CF3M, CN7M, B148, etc
    Connection: Flanges, RTJ Flange, Butt Weld
    The closing is done by a Disc which turns around a slightly tilted axis. There is only one unique Seat.
    In normal use, the valve is open because of the fluid’s action. The Disc remains however, in the fluid’s canal pump flow.
    The openings pressure level is very low, on the other hand.
    Exists also in Pressure Seal Cover technology.


    Body & Bonnet A 216 WCB A 217 WC6 A 217 WC9 A 351 CF8M
    Seat Stellite / AISI 316 / AISI 410
    Disc Stellite / AISI 316 / AISI 410
    Stem AISI 420 AISI 316
    Stud Bolt A 193 Gr B7 A 193 Gr B16 A 193 Gr B8 CL 2
    Screw A 194 Gr 2H A 194 Gr 4 A 194 Gr 8
    Gasket 150#: graphite 300#: Spiral wound stainless steel / graphite 600#: RTJ


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