The key specifications of the Hot Gas Bypass Valve,5/8", are — Setting Range: 3 to 87 Psig; Factory setting: 29 Psig; Max. Test Pr.: 450 Psig; Max. Working Pr.: 406 Psi. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd., established in 1984 and ISO 9001:2015 certified, is one of India's leading manufacturers of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, based in Coimbatore, Tamil Nadu.