4100-50 5990K ASME Relief Valve
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 and 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 the effects of fouling
- Low differential between opening and closing pressures helps to prevent conditions under which system water might flash to steam and cause hammering
- Model 3301 and 4100 Operating Data & Construction
- Maximum working pressure 50 PSIG (3.4 bar)
- Maximum Operating Temperature 250 F (121 C)
- Body: Cast Iron
- Diaphragm & Seat: EPDM
- Internal Wetted Parts: Brass
Resources
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.
