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This spring-return pneumatic actuator has a 50 in² diaphragm, tuned for 8 to 13 psig control signals, providing precise HVAC valve control and fail-safe return on loss of air.
This spring-return pneumatic actuator has a 50 in² diaphragm, tuned for 8 to 13 psig control signals, providing precise HVAC valve control and fail-safe return on loss of air.
| Inputs | |
| Control signal | 8 to 13 psig (55 to 90 kPa) |
| Supply pressure | 15 to 20 psig (103 to 137 kPa) nominal; 30 psig (205 kPa) maximum |
| Air connections | 1/8" (0.32 cm) FNPT |
| Effective area | 50 in² (323 cm²) |
| Outputs | |
| MK-6811 nominal stroke | 1" (25 mm) |
| Environment | |
| Temperature limits | Shipping/storage: -40 to 220°F (-40 to 104°C) ambient Operating: -20°F to 220°F (-29°C to 104°C) Maximum allowable ambient: 220°F (104°C) at maximum valve fluid temperature of 281°F (138°C) Minimum allowable valve fluid temperature: 20°F (-7°C) |
