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Forged Steel Check Valve, Lift and Swing
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  • Forged Steel Check Valve, Lift and Swing

Forged Steel Check Valve, Lift and Swing (Class 900 to 2500, NPT / SW / BW and Flanged)

Forged steel check valve in lift (ball) or swing type, with bolted or pressure seal bonnet, threaded, socket weld or butt weld ends, Class 900 to 2500, plus an A105 flanged version.

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The forged steel check valve prevents reverse flow in small bore, high pressure lines. It is available in lift (ball) type and swing type, with bolted bonnet or pressure seal bonnet, in full port and reduced port versions. Ends are threaded, socket weld or butt weld, and an A105 forged steel flanged version is also offered.

Key features

  • Lift check (ball type) and swing check versions
  • Bolted bonnet (Class 900 to 2500) or pressure seal bonnet (Class 900 to 2500)
  • Full port and reduced port versions
  • Threaded, socket weld or butt weld ends; flanged version in A105
  • Compact forged body for high pressure small bore service

Technical data

TypeForged steel check valve; lift (ball) or swing; bolted or pressure seal bonnet
Size range1/4 to 2 in (bolted bonnet); 1/2 to 2 in (pressure seal bonnet)
Pressure classClass 900 / 1500 / 2500
Body materialForged steel A105 (other forged grades on request)
End connectionThreaded; socket weld (SW); butt weld (BW); flanged (A105 version)
OperationAutomatic, flow actuated
Design standardBS 5352 (Class 900 to 1500); ASME B16.34 (Class 2500)
OptionsLift or swing type; full or reduced port; pressure seal bonnet

Materials

  • Body and bonnet: forged steel A105
  • Other forged grades, trim and gasket materials on request

Applications

  • Prevention of back flow in high pressure process, steam and utility lines
  • Oil, gas and petrochemical installations

Standards and certification

Designed to BS 5352 and ASME B16.34 according to the manufacturer. The manufacturer declares ISO 9001 certification and CE marking; certificates and test reports (API 598 pressure test, material certificates) are provided on request with the quotation.

Supplied on quotation and configured to your requirements (size, pressure class, end connection, materials, operator). Dimension tables available on request.

Supplied from a qualified manufacturer selected by ASSINOV. Origin, manufacturer details and certificates are provided with our quotation.

AG-FSV-103

Data sheet

Size range
1/4 to 2 in
Body material
Forged steel A105
Valve type
Forged check / lift or swing
Pressure class
Class 900 / 1500 / 2500
End connection
Threaded / SW / BW / Flanged
Design standard
BS 5352; ASME B16.34