valves
wilkins 483131 1 . 5 inch reduced pressure backflow preventer
suitable for residential commercial industrial irrigation marine and fire protection applications prevents the reverse flow of water gases or other substances into the distribution system of the potable water supply pressure differential relief valve between two independent spring loaded y type center guided check valves complete with two full port ball valves and four ball valve test cocks noryl replaceable seats and silicone rubber check discs entire unit serviceable in line temperature range 33f to 180f maximum pressure 175 psi listed asse 1013 awwa sku hmrex1646
wilkins