ALC<sup>®</sup> Check Valve

ALC® Check Valve

The ALC® check valve is a non-slam spring-assisted, center-guided wafer check valve designed to prevent water hammer and reverse flow. The lightweight compact design fits between mating flanges and meets API 594 Face-to-Face dimensions. The ALC® check valve is an easy-to-maintain check valve for applications involving liquids, gases or steam. Tapped holes are provided in the body for lifting lugs to assist with installation (10” and larger sizes only).



  • 2” to 24” line size
  • ASME class 150 and 300
  • RF wafer ends
  • API 594 face-to-face dimensions
  • Standard Body Materials*:
    • A216 WCB carbon steel
    • A351 CF8M stainless steel
  • Stainless steel seat, disc & bushing
  • Nitronic® 60 stem
  • Inconel® X-750 spring
  • Center-guided stem
  • Spring assisted silent closing, non-slam
  • Tight shutoff – lapped disc & seat
  • Horizontal or vertical installation
  • Protected spring
  • Wafer and wafer-lug designs
  • Axial Flow
  • Nozzle style
  • Easy maintenance
  • Versatile
  • Options:
    • 316 SS spring
    • Soft seat
    • Custom sizing for low flow applications

**consult TFC for additional alloys