Remote Piloted Dust Collector Valve Remote Piloted Dust Collector Valve Valve Ways and Positions 2-Way/2-Position Normally Closed Media - Valves Air Inert Gases Pipe Size - Valves 1 In. Min Operating Pressure Differential 5 psi Max Operating Pressure Differential Air/Inert Gas 125 psi Max Operating Pressure Differential Light Oil Not Rated Indoor Outdoor Coefficient of Volume 20.00 Body Material - Valves Aluminum Seal Material - Valves NBR Orifice Dia 1-1/8 In.