For the economical, reliable solution to “water hammer” and “reverse flow”, DFT has the ALC. DFT Inc. has the solution to replace problem check valves that fail or do not have a tight shut off. The ALC is offered from 2″-24″, ASME Class 150#-300# , meeting API-594 face to face dimensions, in both A216 grade WCB carbon steel and A351 CF8M stainless steel bodies with all stainless steel trim. These center guided, non-slam, spring assisted silent check valves are a direct replacement for those constantly failing double door style check valves. The ALC can be used in both the vertical or horizontal positions, available with a Inconel X-750 springs, 0.5 psi cracking pressure and the meets, or exceeds, MSS SP 61 specifications. Metal to metal seats or soft seats for zero leakage. Applications include liquids, gases or steam. Tapped lifting lug holes are provided in the body for ease of installation in the 10″ and larger ALC’s.
