The ControlAir Type-850 and Type-860 are compacts unit that provide low-cost, high performance pressure regulation of compressed air (Type 850 and Type 860) or water (Type 860). Designed specifically for the OEM market, these units are ideal for compressed air or water pressure control applications. The highly sensitive diaphragm-operated design delivers accurate downstream pressure by eliminating the problems caused by sticking in piston designs utilized by competitors. A molded rubber supply valve provides accurate regulation and prevents leakage.