American Granby Brass Pressure Relief Valve 3/4in IRV75NL

RV and IRV Series Relief Valve Features:
 • Heavy duty no lead bronze, no lead brass or 304 stainless steel.
 • For shallow, deep well and submersible pumps.
 • Third party certified to NSF/ANSI 372.
 • Spring loaded and pre-set under pressure, NOT ADJUSTABLE.
 • 1/2” or 3/4” (IRV7575) discharge.
Hamilton Adjustable Safety Relief Valve Features:
 • Preset at 75 P.S.I. with concealed adjusting screw to prevent tampering.
 • No-lead brass heavy duty, full-flow design with Buna-N seats