Check Valves

Complete range of check valves available to suit any application;

  • Effective minimal maintenance free solutions
  • Preventing reverse flow in pipelines
  • Compact design
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Not all products are available in all markets.  Please choose your National Spirax Sarco Website or Contact Us for further information.

What do I do now?

Find further information on Check Valves in the sections below, or get in touch for further assistance.

Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders
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Sales Brochures

Our brochures typically contain the concept, customer benefits and key features of the product.

Title Reference Number Issue File Size
PDF DCV Wafer check valves SB-S35-01 3 943 KB
PDF LCV1 Lift check valve SB-P029-02 3 355 KB
PDF Split Disc Check Valves for pressures up to 50 bar g SB-P601-17 3 2.55 MB
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Technical Information

Use our technical information sheets for a full technical specification of the product. They typically include:

  • Pressure/temperature limits
  • Materials
  • Sizes & connections
  • Dimensions & weights
  • Capacity charts
  • Ordering information
Title Reference Number Issue File Size
PDF DCV1 Disc Check Valve TI-P134-05 7 193 KB
PDF DCV10 Stainless Steel Disc Check Valve for use with Condensate Pumps TI-P601-32 1 245 KB
PDF DCV2 and DCV3 Disc Check Valves TI-P134-50 5 201 KB
PDF DCV4 Disc Check Valve TI-P134-04 8 121 KB
PDF DCV41 Austenitic Stainless Steel Disc Check Valve TI-P601-18 4 69 KB
PDF DCV6 Disc Check Valve TI-P134-26 5 90 KB
PDF DCV8 Disc Check Valve TI-P601-01 8 228 KB
PDF LCV 1 Bronze Lift Check Valve TI-P029-01 7 101 KB
PDF SDCV3 Carbon Steel Split Disc Check Valve (ANSI / JIS / KS Flanges) TI-P601-04 5 244 KB
PDF SDCV4 Austenitic Stainless Steel Split Disc Check Valve (ANSI / JIS / KS Flanges) TI-P601-05 5 245 KB
PDF SDCV7 Carbon Steel Split Disc Check Valve (DIN / PN Flanges) TI-P601-06 5 243 KB
PDF SDCV8 Austenitic Stainless Steel Split Disc Check Valve (DIN/PN Flanges) TI-P601-07 5 244 KB
PDF WCV1, WCV2 and WCV3 Wafer Check Valves TI-P134-03 6 81 KB
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Installation & Maintenance Instructions

Clear & accurate guidelines on installation & maintenance. They typically include:

  • General safety information
  • General product information
  • Installation
  • Commissioning
  • Operation
  • Maintenance
  • Spare parts
Title Reference Number Issue File Size
PDF DCV1, DCV2 and DCV3 Disc Check Valves IM-P134-07 5 99 KB
PDF DCV10 Stainless Steel Disc Check Valve for use with Condensate Pumps IM-P601-33 1 323 KB
PDF DCV4 Disc Check Valve IM-P134-08 6 100 KB
PDF DCV41 Austenitic Stainless Steel Disc Check Valve IM-P601-19 5 75 KB
PDF DCV6 Disc Check Valves IM-P134-22 5 96 KB
PDF DCV8 Disc Check Valves IM-P601-02 4 230 KB
PDF LCV, DCV, SDCV and WCV Disc Check Valves Supplementary Safety Information IM-S35-06 5 32 KB
PDF LCV1 Lift check valve IM-P029-06 2 32 KB
PDF SDCV3, SDCV4, SDCV7 and SDCV8 Split Disc Check Valves IM-P601-03 4 261 KB
PDF WCV 1, WCV 2 and WCV 3 Swing Type Wafer Check Valves IM-P134-61 1 38 KB
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Steam Engineering Tutorials

Tutorials explaining the principles of steam and heat transfer, specific to this product section.

Check Valves

Learn more about the various types of check valves used to prevent reverse flow in pipelines, how they are sized, and some typical applications.

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CAD Drawings

CAD drawings enabling you to see exactly how the product is constructed. You can also drop these into your own schematics.

Check Valves - CAD Drawings

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Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders