Forged Steel Check Valve
Specifications
Confirmed at quote- Size Range
- NPS 1/2" to NPS 2"
- Pressure Class
- Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
- End connection
- Flanged (RF, RTJ) · Socket weld · Butt weld
- Operating temperature
- -29°C to 550°CRange across the material options offered. The limit of a given build follows its grade, confirmed with your enquiry.
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
Material grade
Offered in complete material setups. Pick one to set every part to the matched set, or choose parts individually below.
All available material options per part. Click a pill to set it in the configurator.
- Body
- Bonnet
- Disc
- Stem
- Gasket
Operating media
Typical applications
- Tap water pipelines
- Food industry pipelines
- Pharmaceutical industry pipelines
- Electric power pipelines
- Petroleum pipelines
- Liquefied gas pipelines
- Steam pipelines
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
Description
Forged steel check valve for high-pressure industrial pipeline systems. Available in NPS 1/2 to NPS 2 with pressure ratings from Class 150 to Class 2500. End 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, nitric acid, and acetic acid.
Selection notes
This check valve is a forged steel pattern, supplied for flanged, socket weld and butt weld installation.
Sizes run NPS 1/2" to NPS 2", in Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500.
The body is offered in A105N (forged carbon steel), A182 F22, A182 F304(L) and A182 F316(L), so the grade can be matched to the service rather than the other way round.
Stated service media include water, steam, oil, nitric acid and acetic acid.
It is catalogued for Water & Wastewater and Industrial Process.
Working temperature is -29°C to 550°C.
Available pressure classes
Pressure classes this product is rated to.
Used in
Related guides
Smart find
Searches our product catalogue using your spec. Drop a spec sheet or parts list (PDF, Excel, CSV, Word or text, several at once), paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Check Valves
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Adds to your quote request, not a purchase. Refine size, pressure and material before submitting.