Product Name: Forged Stainless Steel Lift Check Valve
Size: NPS 3/4 (3/4 Inch), DN20
Pressure Class: 2500 LB, PN420
Body & Bonnet Material: ASTM A182 F316 Stainless Steel
End Connection: Socket Weld (SW)
Design Type: Lift Check Valve, Pressure Seal Bonnet
Design Standard: API 602, ASME B16.34
End Standard: ASME B16.11 for Socket Weld Ends
Inspection & Test Standard: API 598
Flow Direction: Marked by an arrow on the valve body
Applicable Service: High-pressure corrosive fluid, oil, gas, chemical process pipeline
Feature: Unidirectional flow prevention, pressure seal structure for ultra-high-pressure service
NPS: Nominal Pipe Size
Class 2500: ASME high-pressure rating
ASTM A182 F316: Forged 316 stainless steel for high pressure & corrosion resistant service
Lift Check Valve: Piston-type non-return valve, closes automatically to stop reverse flow
Pressure Seal Bonnet: Bonnet sealing design that tightens as internal pressure rises
Socket Weld: Socket welding end connection
API 602: Compact forged steel valve specification
ASME B16.34: Valves – Flanged, Threaded, and Welding End
ASME B16.11: Forged Socket-Welding Fittings
API 598: Valve Inspection and Testing
