This 1/4 in 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 with FNPT 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 60 psi. The temperature range is 33 to 150 deg F.