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 Check valves overview SB-F04-02 1 3.93 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 CVS10 Sanitary Check Valve with Metal Seat TI-P029-21 2 557 KB
PDF CVS10 Sanitary Check Valve with Soft Seat TI-P029-10 4 672 KB
PDF DCV1 Disc Check Valve TI-P134-05 9 193 KB
PDF DCV10 Stainless Steel and DCV10C Carbon Steel Centrally Guided Disc Check Valves TI-P601-32 6 265 KB
PDF DCV3 and DCV3LT Disc Check Valves TI-P134-50 7 206 KB
PDF DCV4 Disc Check Valve TI-P134-04 11 193 KB
PDF DCV41 Austenitic Stainless Steel Disc Check Valve TI-P601-18 6 172 KB
PDF DCV6 Disc Check Valve TI-P134-26 8 196 KB
PDF DCV8 Disc Check Valve TI-P601-01 11 198 KB
PDF LCV 1 Bronze Lift Check Valve TI-P029-01 7 101 KB
PDF LCV3, LCV4, LCV6 and LCV7 Lift Check Valves TI-P029-16 4 830 KB
PDF SDCV3 Carbon Steel Split Disc Check Valve - ASME (ANSI) / JIS / KS Flanges TI-P601-04 6 555 KB
PDF SDCV4 Austenitic Stainless Steel Split Disc Check Valve - ASME (ANSI) / JIS / KS Flanges TI-P601-05 6 551 KB
PDF SDCV7 Carbon Steel Split Disc Check Valve - DIN / PN Flanges TI-P601-06 6 555 KB
PDF SDCV8 Austenitic Stainless Steel Split Disc Check Valve - DIN/PN Flanges TI-P601-07 6 549 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 CVS10 Sanitary Check Valves IM-P029-11 4 695 KB
PDF DCV1, DCV3 and DCV3LT Disc Check Valves IM-P134-07 6 254 KB
PDF DCV10 and DCV10C Centrally Guided Disc Check Valves IM-P601-33 4 577 KB
PDF DCV4 Disc Check Valve IM-P134-08 9 326 KB
PDF DCV41 Austenitic Stainless Steel Disc Check Valve IM-P601-19 6 219 KB
PDF DCV6 Disc Check Valve IM-P134-22 8 296 KB
PDF DCV8 Disc Check Valve IM-P601-02 6 254 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 LCV3, LCV4, LCV6 and LCV7 Lift Check Valves IM-P029-17 3 1.25 MB
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.

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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.

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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
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