374A-AUS
[SPECIAL ORDER] Boiler Pressure Relief Valves, Set at 30 psi, DN20
Series 374A-AUS boiler pressure relief valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. They have an iron body construction with forged bronze inlet connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 374A-AUS resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Standard Pressure Setting: 30psi (206.9 kPa). Pressure range: rated up to 550,000 BTU/hr at a 30psi (2 bar) setting only.
Features
- 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
- Seat located above drain; water cannot be trapped and sediment cannot foul seat
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet or contact us. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
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