These iron-body safety relief valves use expanded outlets to accommodate a variety of hot water space heating boilers and provide a wide range of pressure relieving capacities.

Specifications
Pressure range 30 to 75 psi. Corresponding BTU/hr ratings of 925,000 to 10,700,000. Female inlet and outlet connections. Sizes from 3/4"" to 2"".

Features:
Seat located above drain to prevent water entrapment and fouling by sediment

Non-mechanical seat-to-disc alignment

High temperature resistant water seal material isolates spring mechanisms from water during pressure relief process

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