the Schneider Electric (Barber Colman) 21-038 Restrictor Tee is a critical component for ensuring precise signal air delivery

this unpowered mechanical controller utilizes the differential expansion principle between the outer sensing shell and the internal strut assembly

This sensor is the factory-identical component to 28M9701 and serves as a direct substitute for legacy part numbers including 20467102 and R20467102

Reliable Termination: Equipped with dual spade terminals and 36-inch high-temp fiberglass lead wires for flexible routing and long-term durability

Armstrong International B1671-5 Pressure Change Assembly 30067439-890 the Schneider Electric (Barber Colman)The Armstrong International B1671 5 Pressure Change Assembly is a high performance steam trap repair kit engineered to restore the mechanical efficiency of your industrial steam system. This pressure change assembly (PCA) features a precision machined 1 4" orifice, specifically designed for inverted bucket traps operating at a maximum pressure of 125 psi. By replacing the internal bucket mechanism, you ensure the frictionless operation of the free