Honeywell MP516 Pneumatic Unit Ventilator Damper Actuator
Pneumatic Unit Ventilator Damper Actuator
MP516
Used to control the damper on unit ventilators. Can be adapted to various unit ventilator control cycles. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell unit ventilator damper actuators.
• Constructed of strong zinc die castings.
• Hesitation feature available for unit ventilator cycles requiring a minimum percentage of outdoor air.
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| Cat # | Comments | (psi) | (kPa) | Actuator Force |
| MP516A1087 | The lever arm moves to the desired minimum position as air pressure increases from 0 to 3 psi, hesitates from 3 to 8 psi, and completes its stroke from 8-12 psi. | 3 psi to 12 psi | 21 kPa to 83 kPa | Medium |
| Actuator Type: | Damper | ||
| Fail Safe Mode: | Spring Return | ||
| Air Connections: | 1/8 in. NPT | ||
| Stroke: | 2-1/8 in. to 2-1/2 in. (54 mm to 63 mm) | ||
| Diaphragm Effective Area: | 11 sq in. (71 sq cm) | ||
| Temperature Range: | -20 F to +160 F (-29 C to +71 C) | ||
| Maximum Operating Pressure: | 25 psi (172 kPa) | ||
| Humidity Range: | 5 to 95% RH | ||
