

Chassis assembly with feedback, precalibrated for reversibility and alignment — controller 1–100% PB for the Model 40 pneumatic controller (chassis module).

Case & cover assembly, relay with output gauge & mounting brackets, 3–15 PSI output for the Model 40 pneumatic controller (basic module).

Chassis assembly with feedback — controller 2–200% PB and automatic reset for the Model 40 pneumatic controller (chassis module).

Case & cover assembly, relay with output gauge, 100% chassis with feedback & brackets, 3–15 PSI for the Model 40 pneumatic controller (basic module).

Case & cover assembly, regulator relay with output gauge, auto-manual switch & brackets, 3–15 PSI for the Model 40 pneumatic controller (basic module).

Transmitter chassis and feedback assembly for the Model 40 pneumatic controller (chassis module).

Case & cover assembly, relay with output gauge, 200% chassis with reset & brackets, 3–15 PSI for the Model 40 pneumatic controller (basic module).

Case & cover assembly, calibrated for reversibility and alignment for the Model 40 pneumatic controller (basic module).