Field adjustable reg-u-matic pressure regulating valve. 2½"/6.4 cm valve. Used as a control and regulating valve for fire service end-of-line application on high-pressure sprinkler, standpipe and combined system. Indicator bonnet shows whether valve is open or closed. Adjustable indicating scale permits easy field setting. Used to regulate inlet pressure to 400 psi/27.5 bars. Regularly furnished: brass valve with non-rising stem, internal parts of brass and stainless steel, red alloy handwheel, female NPT inlet and male NST outlet.