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Check Valves

Product Information

The core ranges are class 150, 300, 600, 900 & 1500 in flanged and butt-weld end designs meeting the requirements of ASME, API and British Standards. The size range includes up to 18” bore (larger sizes available on request), class 150 and is manufactured as standard in ASTM A216 Gr. WCB grade of carbon steel. These products are also available in the following materials:-

  • Low Temperature carbon and alloy steels ASTM A352 Gr. LCB, LCC, LC2, LC3
  • Alloy Steels ASTM A217 Gr. WC1, WC6, WC9, C5, C12 & C12A
  • Stainless Steels ASTM A351 Gr. CF8M, CF3M, CF8, CF3, & CF8C

Together with the necessary variety of trim options

Valve Specification Details

  • BS1868, API6D regular opening, ASME B16.34
  • Flanged or butt-weld ends
  • Hardfaced seat as standard
  • Seal welded seat as standard on commodity range
  • Low pressure drop design
  • Non-rotating disc
  • Special hinge pin plug design having a graphite secondary plug seal ensuring non-wetted threads
  • Suitable for horizontal or vertically upwards flow



All products by IPL are backed with a Manufacturers Guarantee as standard.


Check Valves
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