302 S.S. spring and EPDM O-Ring, excellent chemical resistance, 1/4″ port for pressure gauge pipe plug included. Bypasses excess liquid. Adjustable to maintain control of line pressure at any pressure within the valve’s operating range. Selected pressure setting firmly held in place by locknut. Extra large valve passages to handle large flows.
Max pressure rating: 150 psi
Port sizes: 1/2″ MNPT inlet, 1/2″ FNPT outlet, 1/4″ FNPT gauge port