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and high-tension lead to address all common pilot failure points
Connecting this unit to a 230V power supply will cause immediate electrical failure and permanent damage to the motor windings
depending on your torque and fail-safe requirements
Ensure proper flow direction as indicated on the valve body during installation to maintain diaphragm integrity and prevent premature wear
High-Speed Performance: Delivers a consistent 3000 RPM at 115V
Siemens Building Technology 331-2988 Actuator 322838-754 and high-tension lead to addressThe Siemens 331 2988 No. 6 Pneumatic Damper Actuator is a heavy duty, rolling diaphragm drive engineered for gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and multi section air handling units. This high temperature pneumatic actuator features an 8 to 13 psi nominal spring range and a 4 inch stroke, providing the mechanical force necessary for large scale HVAC automation. Utilizing an ozone resistant silicone
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