Potter Roemer FIRE VALVES (43)
Potter Roemer 4033 field adjustable pressure regulating valve
Function: 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. The valve is used to regulate inlet pressure to 400 PSI/27.5bars. 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. Options: MSA1 Monitor Switch Adapter, tamper-proof MSA2 Fork Type
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