This 1/4 inch miniature water pressure regulator is compact and lightweight with a high flow capacity. It is used in general purpose and OEM applications where a small economical package is required. It is also suitable for deionized water applications. It has a balanced piston design for applications to regulate pressure in systems that require a constant downstream and accurate flow performance. It consists of a thermoplastic body construction, NPT female connections in a straight through gauge port, a rubber disc, diaphragm, and seals of FDA grade elastomers, stainless steel internal metal components. The reduced pressure range is 0 to 25 PSI (0 to 1.76 BAR) and the temperature range is 33 to 150 degrees F (0.5 to 66 degrees C).