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B&G Hydrotrol Flow Control Valves

B&G Hydrotrol Flow Control Valves Prevent overheating due to gravity flow The Hydrotrol (HT) flow control valve is used to prevent overheating of zones due to gravity flow in hydronic heating systems and will permit summer/winter operation of indirect water heater. The HT valve allows fluid to pass when the system or zone pumps start. When the system or zone pumps are not operating, the HT valve remains closed, preventing gravity circulation. The HT valves are designed with a 1/2 turn knob that can be manually opened when draining the system or for bypass purposes. The HT valve can be... Read more

B&G ASME Safety Relief Valves

B&G ASME Safety Relief Valves Protect against hazardous operating pressures ASME Safety Relief Valves protect fired and unfired hot water vessels against hazardous operating pressures. Engineered in accordance with Section IV of the ASME boiler & pressure code for heating boilers with capacities certified by the National Board of Boiler and Pressure Vessel Inspectors. Offer the highest BTUH ratings available on the market today for valves in their class (790,000 to 5,999,000 BTUH) EPDM diaphragm operated (cast iron models) and diaphragm assisted (bronze models) have an effective area approximately 5 times greater than conventional ″pop-type″ relief valves to help overcome... Read more

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