the 620-406 features thermal fuse protection to prevent hazardous overheating during overcurrent events

High Thermal Stability: Material composition is rated for saturated steam environments

maintaining the integrity of the damper pushrod linkage is essential for achieving accurate airflow control and maintaining system static pressure

this unit integrates seamlessly with Pilotstat safety control power units

KMC Controls HPO-0038 Diaphragm the 620-406 features thermal fuseThe KMC Controls HPO 0038 Diaphragm is a precise OEM replacement part engineered for the MCP 3631 series rotary pneumatic damper actuators. Built from high grade elastomer, this replacement diaphragm is designed to withstand continuous cycling in VAV terminal units and diverse HVAC zoning systems. In pneumatic control loops, maintaining the integrity of the 8 sq. in. effective area is critical for converting 0 to 20 psig supply pressure into the