Check Valve

Forged Steel Check Valve

Datasheet

Download datasheet (PDF)

Specifications are indicative. Final specification is confirmed at quotation.

Specifications

Confirmed at quote
Size Range
NPS 1/2"-NPS 2"
Pressure Class
Class 150 / Class 2500
Standards
API standards
End connection
Flanged · Socket weld · Butt weld
Operating temperature
-29°C ~ 550°C

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
bonnet
disc
stem
gasket

Operating media

watersteamoilnitric acidacetic acid

Features

  • Design and manufacture according to API standards
  • 600LB and above gate and seat overlaid with Stellite for wear resistance, high temperature resistance, and corrosion resistance
  • Valve stem tempered and surface nitrided for corrosion resistance and scratch resistance
  • Wedge elastic gate structure with rolling bearings on medium and large diameters
  • 1500LB and 2500LB middle cavity uses pressure self-tightening sealing structure
  • Inverted seal uses stainless steel threaded connection sealing seat or body overlay welding austenitic stainless steel; packing can be replaced without stopping flow
  • Flanged end connections
  • Size 1 inch, Class 150 pressure rating cast on body
  • Heat code H21 marked on body

Description

Forged steel check valve available in NPS 1/2" to NPS 2" with pressure ratings from 150LB to 2500LB. Connections include raised face, socket weld, butt weld, and ring-type joint. Suitable for service temperatures from -29°C to 550°C across a range of media including water, steam, oil, and acids.

Available pressure classes

Pressure classes this product is rated to.

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