This 1/4 inch lead free mini water pressure regulator is designed to reduce incoming water pressure to protect plumbing system components and reduce water consumption. It is used in industrial process applications to regulate water pressure in systems where a small economical package is required. It has an oversized orifice that is ideal for use in miscellaneous plumbing applications and OEM equipment such as a travel trailer. It consists of a rugged lead free brass body, female NPT connections, plugged gauge port, Buna-N seat and diaphragm, stainless steel stem and spring, and a heavy duty slotted and knurled adjusting screw. The reduced pressure range is 0 to 60 PSI (0 to 4.1 BAR). It is factory set at 40 PSI (2.8 BAR).