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Fail-Safe Reliability: The mechanical spring return mechanism ensures the valve returns to its normally closed position upon loss of power
blocked supplies
the pilot ignition port should be mounted approximately 1/4 inch above and 1/4 inch away from the center of the nearest main burner port to ensure a reliable thermocouple millivoltage output
Installation Versatility: The 36-inch capillary length allows for flexible mounting configurations in cramped commercial control cabinets
Schneider Electric (Barber Colman) MK-4451 Pneumatic Damper Actuator Refrigerant Fail-Safe Reliability: The mechanical springPneumatic Damper Actuator, 3 to 6 Psi and 9 to 12 Psi Spring Range, 1 2" to 3" Adjustable Stroke ( Factory set at 2" ), 30 Psig Maximum Safe Air Pressure, 1 8" Fnpt Air Connections This item does not qualify for free shipping.
US$ 20.00
US$ 104.00
