The key specifications of the Hot Gas Bypass Valve,1/2 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. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.