Bell & Gossett cast iron and bronze body ASME safety relief valves are engineered in accordance with the requirements of section IV of the ASME boiler and pressure vessel code for heating boilers, and their capacities are certified by the national board of boiler and pressure vessel inspectors. Bell & Gossett diaphragm-operated cast iron, and diaphragm-assist operated bronze ASME Safety Relief Valves, are designed to protect fired and unfired hot water vessels against overpressure conditions.

• Unique fail-safe disc with sufficient area to permit the valves to maintain their safety relief function in the event of a diaphragm rupture
• EPDM diaphragm
• Brass internal wetted parts

Standards/Certifications: ASME section IV certified

• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS2538_Spec.pdf