Singer Valve 106/206-RPS-D Pressure Differential Sustaining Valve - Product Guide

TThe 106-RPS-D and 206-RPS-D pressure differential sustaining valves are based on the 106-PG or 206-PG main valve. The RPS-D uses the 81-RPD pilot valve and has two sensing connections. The valve and pilot remain closed until the difference between the two pressures exceeds the pilot setting.