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.