This 1 in lead free cast copper silicon water pressure reducing valve for low pressure ranges is equipped with gauge tapping. It is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, FNPT union inlet by FNPT outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 deg F. The low pressure range is 10 to 35 psi with the standard setting at 30 psi.