JE Adams 2000 psi Balanced Pressure Regulator 3/8 Fip BPR A pressure regulator is a valve that automatically cuts off the flow of a liquid or gas at a certain pressure. Regulators are used to allow high-pressure fluid supply lines or tanks to be reduced to safe and/or usable pressures for various applications. "L" shaped Balanced Pressure Regulator designed for smooth operation on weep and non-weep operations. No minimum bypass required. Outer brass construction with internal stainless steel seat and piston. Can be set between 600 and 2000 psi