331-2974
Pneumatic Damper Actuator
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8 To 13 psi, 4 in. Stroke, Pivot Mounting, Bracket (Non-Pivot) 2-3/8 Stroke
For Unit Ventilator, 1/8 in. NPT Air Connection.
Features
Replaceable Diaphragm
Positioning Relay
Forward Travel Stops
Hesitation Mode (Provideds Minimum Ventilation Without Separate Damper/Actuator
Variety Of Spring Ranges For Sequencing With Other Control Devices
Stainless Steel Actuator Shaft