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manufacturer:
Siemens
mpn:
331-4821
Product Description
Siemens - 331-4821 No. 3 Pneumatic Actuator, 8-13 psi, Extended Shaft Mounting, 2-3/4-inch Stroke
This 331 Number 3 Pneumatic Damper Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This actuator has a nominal spring range of 8 to 13 psi.
Additional Information
Actuator TypePneumatic
Pneumatic ModelNo. 3
Spring Range8-13 psi
Ball Joint ConnectorNO
ClevisNO
Mounting StyleExtended Shaft
PivotYES
Pneumatic BracketNO
Positioning RelayNO
Stroke2-3/4 in