Product Description
This 331 Number 4 Pneumatic Damper Actuator has a 2 3/8″ stroke for unit ventilators and is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This hesitation model actuator has a nominal spring range of 2 to 3 and 8 to 13 psi, is fixed bracket mounted and provides minimum ventilation without separate damper/actuator. This actuator has an air connection of 1/8″ NPT female with a dual barb elbow fitting for 1/4″ OD tubing.
| Assembly | N |
| Assembly Valve | N/A |
| Assembly Actuator | N/A |
| Valve Size | N/A |
| Valve Type | N/A |
| Valve Pattern | N/A |
| Valve Cv/GPM | N/A |
| Body Rating | N/A |
| Rated Close-off | N/A |
| Max Temp | N/A |
| Trim | N/A |
| Actuator Type | N/A |
| Fail-safe Position | N/A |
| Control Signal Type | 8 to 13 PSI |
| Nominal Voltage | N/A |
| NEMA Rating | |
| Aux Switches | N/A |
| Feedback | N/A |
| Damper Actuator Torque | N/A |
| Scalable Control Signal | N/A |
| Plenum Rating | |
| Damper Actuation Application | Control Damper |
| Cable Length | N/A |
| Damper Actuation Style | |
| Pneumatic Connection | 1/8″ NPT Female (1/4″ OD Tubing) |
| COO | US |
| EAN/UPC | None |
| Harmonized Tariff Code | 8483405010 |
| Embargo Indicator | EAR99 |
| Rohs | UnDec |
