2-1/2 in. and 3 in. Grooved Riser Check Valve Trim Kit contains everything needed to add draining and monitoring capability to riser check valves. Stainless steel gauges display supply and system-side pressure for inspection, testing and monitoring of wet-pipe and pre-action fire protection systems.
This Grooved Riser Check Valve Trim Kit installs on 2-1/2 in. and 3 in. riser check valves (sold separately). Includes two (2) NPT-threaded 1/4 in. pressure gauges, two (2) NPT-threaded 1/4 in. three-way valves, along with two (2) appropriately-sized plugs and two (2) nipples. Also includes an NPT-threaded 1-1/4 in. angle valve with matching close nipple.
2-1/2 in. and 3 in. Grooved Riser Check Valve Trim Kit can be used to meet NFPA 13 requirements (18.104.22.168) for pressure gauges to be installed above and below check valves.