Operation: Airmatic® Lubricator includes an air-actuated spring return piston pump with an adjustable output between 2 to 10cc for each piston stroke at discharge pressures up to 500 psi. For PDI systems,a maximum discharge of 10cc/stroke is recommended. Stroke movement is preset to a fixed discharge, and supply air pressure governs the output delivery pressure. For extended service, incoming air must be dry. Always use a suitable FRL unit (filter/regulator/lubricator) to control air to the recommended operating range. Normally, the air-operated Airmatic uses a 3/2-way electrical solenoid valve to control and vent shop air from the pump air inlet. The solenoid valve in the 27029 configuration allows air to the piston when de-energized. When energized, the piston returns to (up) normal; the spring relaxes and air exhausts. De-energized for 10 seconds.Energized for 3 minutes 50 seconds.

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