331-2973: NO.4 PNEU ACTUATOR,8

Description

SIE NO.4 PNEU ACTUATOR,8

Additional Product Details

This 331 Number 4 Pneumatic Damper Actuator with integral pivotand pivot post is UL recognized for fire and smoke applicationsand 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, a replaceable diaphragm and an air connection of 1/8″ NPT female with a dual barbelbow fitting for 1/4″ OD tubing. Also included is an universalmounting kit that allows fixed or pivot mounting, this kit contains parts for frame mounting.