Home Products Drain Valves & Air Dryers
Expello Electronic Drain Valve
  • 1 second blast every 5 minutes
  • Compact design fits air tanks on all trucks and busses
  • Replaces manual drain petcocks (never pull another chain to drain the tank)
  • Automatically purges moisture and contaminates
  • Prevents freeze-ups with 50-Watt heater (optional)
  • Prevents brake drum damage
  • Prevents cylinder corrosion
  • Prevents sticking valves and loss of lubrication
  • Reduces noise and vibration due to contaminated air systems
  • Full One-Year Warranty
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Expello Pneumatic Drain Valve
  • Purges every time the compressor cycles (requires actuation line)
  • Compact design fits air tanks on all trucks and busses
  • Replaces manual drain petcocks (never pull another chain to drain the tank)
  • Automatically purges moisture and contaminates
  • Prevents freeze-ups with 50-Watt heater (optional)
  • Prevents brake drum damage
  • Prevents cylinder corrosion
  • Prevents sticking valves and loss of lubrication
  • Reduces noise and vibration due to contaminated air systems
  • Full One-Year Warranty
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STARK Air Dryers
  • Vacuum Formed Micro-glass Fiber Filter Technology
  • Highest C.F.M. Flow Rate – 36 C.F.M
  • Most Efficient Oil and Solids Filtration
  • Small Overall Size – 6 by 12 inch unit
  • Low Cost Maintenance – replace filter without removing unit
  • “Whistle Stop” element change indicator
  • Best Overall Efficiency
  • Full One-Year Warranty
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STARK/EXPELLO Rebuild Kits
  • No need to replace, re-build instead
  • Save $$$
  • Easy to follow instructions
  • Replace filter without removing air dryer!
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ShopAir Line Filters

Many people believe the solution to obtain clean, dry, oil free air is to place a drying device at the shop compressor.  This is not a total solution to the contamination problem.  Refrigeration units and twin tower dessicant systems used in this solution can cost upwards of $5,000.00 and they do not deliver complete results.  One large device will usually service a number of tool locations.  Air travelling downstream from these devices can pick-up moisture from condensation, pipe scale, rust and other system contamination ending up in the tool.

The inexpensive, ultra high efficiency ShopAir Air Filter/Coalescer is a small, lightweight unit that can be conveniently and effectively located near the air using device, removing contaminates at the end of the line.

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