Pressure Seal Valve

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Additional information

Size/Rating

NPS 2~48/Class 600~2500
Body Materials

Alloy Steel, Carbon Steel (WCB), Stainless Steel (CF3M, CF8M), Duplex steel
Design Standard

API 600, ASME B16.34, BS 1873, BS EN 1868, MSS-SP-144
Face to Face

ASME B16.10
End

Butt Welding, Flange
End Dimension

ASME B16.25, ASME B16.5, EN 1092, MSS SP-44/ASME B16.47
Test & Inspection

API 598
Actuator

Handwheel, Bevel Gear,Chain-Wheel, Electric
Notes

The size of valve flange and butt-welding terminal can be designed according to the customer's requirement.
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Product Details:

When the PSB valve is closed, the sealing surface of the disc can be pressed against the seat just by the pressure of the medium to ensure the sealing, which is self-sealing.

Structural Features

  • Pressure seal bonnet (PSB)
  • Flexible wedge, fully guided
  • Optional solid or split wedge
  • Optional by-pass design
  • Optional double packing with spacer rings
  • Renewable seat rings
  • Forged-head stem
  • Rising stem and non-rising handwheel

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