Siemens 331-3002, Damper Actuator, Pneumatic, Number 4, 4″ Stroke, 5-10psi, Integral Pivot, Universal Mount Kit.
This 331 Number 4 Pneumatic Damper Actuator with integral pivot and pivot post 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 5 to 10 psi, a replaceable diaphragm and an air connection of 1/8″ NPT female with a dual barb elbow fitting for 1/4″ OD tubing. Also included is an universal mounting kit that allows fixed or pivot mounting, this kit contains parts for frame mounting.
Reviews
There are no reviews yet.