Model 1011T is a 300 PSI rated single-handle ball valve with a pressure relief valve and pressure gauge designed to provide both the test and express drain functions required for a wet fire sprinkler system. It features a tamper-resistant test orifice and sight glass, a tapped port for system access, a pressure relief valve, a 3-way universal gauge valve, and a pressure gauge. Available in sizes 3/4" to 2" in both NPT and BSPT, orifice sizes K2.8-K25.2. UL Listed & FM Approved. Made in the USA.