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Part No

Where to Use

  • Natural Gas or Instrument Air Supply Lines: Upstream of Small Pneumatic Instruments or Pneumatically Actuated Equipment (e.g., Solenoid Valves)
Filter Condition        

The Welker F-19 Filter Dryer is designed to filter and dry natural gas to prepare it for use as an instrument supply.

As gas flows through the F-19, water, aerosols, odorant, and liquid hydrocarbons are removed by the filter media, thus cleaning and drying the gas for use by downstream pneumatic controllers or other instruments.


  • Spin on filter body
  • Mounting bracket
  • Filter cartridge media to remove water, liquid, hydrocarbons, mercaptan, and sulfur


  • Simplified cartridge change outs
  • Clean, dry, supply gas
More Information
Product Category : Filtration
Materials of Construction : Buna, Carbon Steel, and PTFE
Maximum Allowable Operating Pressure : 1500 psig @ -20 °F to 120 °F
Hardware : None
Max Temperature : 200 °F
Drain Valve : ¼" FNPT
Inlet Connection : ¼" FNPT
Outlet Connection : ¼" FNPT
Flow Rate : Up to 50 scfm
Weight : 8 lb

Weight and/or dimensions are approximate.

Specifications subject to change without notice.

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