Series 215 Precision Low Pressure Regulators are used in applications requiring low-pressure, super-sensitive regulation in systems using water or No. 2 fuel oil. It consists of a brass body construction with NPT threaded female inlet and outlet connections, replaceable stainless steel seat, large diaphragm, and 30 mesh stainless steel strainer. Series 215 provides exceptional performance and stability, and is suitable for pressure supply to wall attachment fluidic devices, and for water requirements up to 2.5 gpm (9.5 lpm). Maximum Working Pressure: 300psi (21 bar).