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 1-1/2 In. Min Operating Pressure Differential 10 psi Max Operating Pressure Differential Air/Inert Gas 125 psi Max Operating Pressure Differential Light Oil Not Rated Indoor Outdoor Coefficient of Volume 53.00 Body Material - Valves Aluminum Seal Material - Valves NBR Orifice Dia 2 In.