Graco Inc.

Pneumatic/Electric Lube Sentry Valve 

Compressor Lubrication Accessory

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The Lube Sentry Valve provides automatic warning and shutdown of compressors, pumps and engines when oil is not flowing properly to primary dividers in series type lube systems.

  • Absence of check valves to avoid trapping contamination from included solids in the lubricant
  • Bolted-together components simplifying maintenance. The microswitch assembly on the pneumatic valve can be removed without disturbing existing lines or shutting down the equipment being lubricated