The best protection available for health hazard applications. Unique patented "air-in/water-out" design provides high capacity relief valve discharge performance during emergency conditions of back-siphonage and back pressure with both checks fouled.

Specifications
Suitable for pressures up to 175 psi; water temperatures up to 110°F constant, 140°F intermittent, non-rising stem, resilient seated gate valve shutoffs, fused epoxy coated cast iron check valve body with bronze seats; epoxy coated cast-iron relief valve with stainless steel trim, bronze ball valve test cocks.

Note:
Relief valve section is reversible; therefore dimension "F" can be on either side. Standardly furnished as shown.
Specify RH if relief valve is to be supplied on the opposite side from standard.

Features:
Replaceable bronze seat

Captured spring assemblies

Body construction of fused, epoxy-coated cast iron

Requires no special tools for servicing

Options:
Suffix
S-FDA - with FDA approved epoxy-coated strainer

BB - with bronze body, 2-1/2"", 3""

OSY - outside stem & yoke resilient seated gate valves

NRS - with non-rising stem resilient seated gate valve shutoffs

QT - quarter turn ball valve shutoffs

QT-FDA - with FDA epoxy-coated ball valve shutoffs

LF - without shut-off valves

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