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- The safety relief valves manufactured by Caleffi are produced in compliance with the essential safety requirements of the Directive 97/23/EC of the European Parliament and the Council of the European Union for the Harmonization of Member States with regard to pressurized equipment.
Caleffi Safety Relief Valve, Series: 253, 1/2x3/4 in Nominal, Female, 150 psi, -20 to 360 deg F, Media: Water/Glycol, Brass Body, Stainless Steel Trim, High Resistance Elastomer Relief Seal, 2-3/4 in H
- Factory set to 120 psi
- Body MaterialBRASSBTU/hr535,000End StyleFemaleNominal Size1/2 x 3/4 inPressure Rating150 psiDimensions2-3/4 in HManufacturerCaleffiManufacturer #253048MediaWater/GlycolPreset psi120Series253Softgoods MaterialHigh Resistance Elastomer Relief SealTemperature Rating-20 to 360 deg FTrim MaterialStainless Steel