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PNG 110 · General Pneumatics and Hydraulics

Session 2 · Hour 1 · Filter. Then the regulator.

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Filter. Then the regulator

F
R
L

Reverse it and dirt drinks the gauge.

Name FRL order and why the loop drains

0/6

  • Piston compressor. Kind for a small shop. Pulse in the line.

  • Screw compressor. Kind for a long line. Smooth air.

  • Filter first. Dirt and water leave.

  • Regulator second. The second side stays still.

  • Lubricator last. Oil for the valve. Not for the food line.

  • Loop piping. Drain at the low. Air walks home.

CheckPick piston or screw. Set F then R then L. Point at the drain on the loop. A reverse FRL is a wet valve. A dead-end pipe is a swamp.