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Valves | Safety Valves | Pressure Safety Valve
Pressure Safety Valve

 

Series 250

For tanks and hydronic heating systems

• Protects against over-pressure

• Minimizes hammering with flash steam

• Low differential pressure – 3 psi (.21 kg/cm2) between opening and closing

• Meets ASME Pressure Vessel and Boiler Code, Section IV

• Sizes and material

– 3⁄4" - 1" NPT – bronze body and seat

– 2" NPT – cast iron body, brass seat

• EPDM rubber diaphragm and seat disc

• Maximum temperature 250°F (121°C)

• Maximum operating pressure range 30 - 125 psig (2.1 - 8.8 kg/cm2)

Series 260

For water tanks and hydronic heating systems

• Protects against over-pressure

• Minimizes hammering with flash steam

• Low differential pressure – 3 psi (.21 kg/cm2) between opening and closing

• Meets ASME Pressure Vessel and Boiler Code,Section IV

• Sealed spring chamber prevents scale or sediment build-up around seal

• 11⁄2" NPT Inlet and 2" NPT Discharge

• Cast iron body, brass seat

• Maximum temperature 250°F (121°C)

• Maximum operating pressure range 30 - 50 psig (2.1 - 3.5 kg/cm2


Technical Data
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