Check Valve

Swing Check Valve

NU-TECH Swing Check Valves are designed and manufactured to ensure long service life, dependable performance, and leak-proof operation. These valves allow flow in one direction and automatically prevent backflow when the flow stops. NU-TECH check valves meet the design requirements of API 6D / BS 1868 and generally conform to ASME B16.34 standards. Valves are available in a complete range of body/bonnet materials and trims.

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Features

Bolted Cover, Renewable Seat Rings
Metal Seated or Soft Seated options available
Available in Swing Type design
Designed for horizontal or vertical flow
Automatic closure to prevent backflow
Low pressure drop across the valve
Full port construction for higher flow capacity
Compact, rigid, and vibration-free body
Renewable disc and seat design for easy maintenance

Service Requirements

NACE
Oxygen Service
Hydrogen Service
Cryogenic Service

Size & Class

150# (Sizes 2” to 24”)
300# (Sizes 2” to 24”)
600# (Sizes 2” to 20”)
900# (Sizes 2” to 16”)

Specifications

End Connection	Flanged End, Butt Welding End, Socket Weld End, Ring Type Joint End
Design Standard	API 6D / BS 1868 / ASME B16.34
Testing Standard	API 598 / API 6D
Fire Safe Standard	API 607 / BS 6755
Face to Face Standard	ASME B16.10
Flanged Standard	ASME B16.5
Butt Weld End Standard	ASME B16.25
Socket Weld Standard	ASME B16.11

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