Siemens 331-3070, Damper Actuator, Pneumatic, Number 6, 4″ Stroke, 8-13 psig, Tandem Mounting.
This 331 Number 6 Pneumatic Damper Actuator for tandem mounting is piloted by a positioning relay which is mounted on a sturdy angle iron frame. This damper actuator has a spring range of 8 to 13 psig, an adjustable spring span and start point and a 1/8″ NPT female air connection. This damper actuator is recommended to position inlet vanes on fans or large dampers that use a jack shaft.
Actuator Type: Pneumatic
Pneumatic Model: No. 6
Spring Range: 8-13 psi
Ball Joint Connector: No
Clevis: No
Mounting Style: Tandem Mount
Pivot: Yes
Pneumatic Bracket: No
Positioning Relay: Yes
Stroke: 4 in
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