The key specifications of the Hand Shut Off Valve,Brass, 1/4 are — Finish: Polished; Operating pressure: 400 Psi; Temp range: -35 to 90°C; Material: Brass. 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.