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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
depending on your torque and fail-safe requirements
this genuine OEM part ensures factory-spec performance and precise calibration for high-input natural gas and propane systems
Ensure proper flow direction as indicated on the valve body during installation to maintain diaphragm integrity and prevent premature wear
Check for a clogged 1-inch pleated filter
this unit stands up to demanding mechanical room environments and can be mounted horizontally without requiring precise leveling
Siemens Building Technology 331-2988 Actuator 322838-754 depending on your torque andThe 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
US$ 38.00
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