Pressure Seal Valve

PSB Gate Valve

Category Check/Gate/Globe Valve Tags OS&Y, Pressure Seal, PSB Valve, Renewable seat, rising stem, Self Sealing

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.

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

Professional, efficient, reliable pipeline solution expert

Company

Product

Connect