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).
Features:
- 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