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740 Series Hot Water Pressure Relief Valve for Pressure Protection of Hot Water Heating Boilers
ASME Section IV
Iron body safety relief valves with expanded outlets for hot water space heating boilers. Pressure range 30 to 75 lbs. with corresponding high ratings from 925,000 to 10,700C BTU/HR. This wide range of relieving capacities provides a much lower BTU per thousand cost because this series provides a much higher BTU rating, size for size, than other valves on the market. Female inlet and outlet connections. Sizes 3/4" to 2".
Features
Seat located above drain; water can't be trapped and sediment can't foul seat.
Non-mechanical seat to disc alignment will not stick or freeze.
Water seal of high temperature resisting material isolates spring working parts from water during relief. |
740 Series
TEMPERATURE & HOT
