13839 West Bellfort Street Sugar Land, TX

Toggle Nav


ISO 9001:2015

U.S. Patents

90+ U.S. Patents


Since 1954

Turnkey Solutions

Tailored For You


Part No

Where to Use

  • On Pumps Used in Liquid or Gas Applications

Filter Condition        

The Welker F-8 Filters are designed to filter particulates from natural gas to protect downstream instrumentation. As gas flows through the filter, the particulates are separated by the filter media, thus cleaning the gas for use by downstream pneumatic controllers or other instruments.


  • Compact design
  • Carbon steel filter
  • Multiple filter elements
  • Conforms to NACE Standard MR-01-75


  • For small volumes at high pressure
More Information
Materials of Construction : Standard: Carbon Steel, PTFE, FKM
High Pressure: 316/316L Stainless Steel, PTFE, FKM
Others Available
Maximum Allowable Operating Pressure : Standard: 3000 psig @ -20 °F to 100 °F
HP: 6000 psig MAOP @ -20°F to 100°F
Max Temperature : Polyethylene Filter Element: 200 °F
Stainless Steel Filter Element: 400 °F
Drain Valve : ¼" FNPT
Inlet Connection : ¼" FNPT
Outlet Connection : ¼" FNPT
Flow Rate : Up to 50 scfm
Nominal Filter Rating : Polyethylene: 10 Microns or 35 Microns
Stainless Steel: 25 Microns or 65 Microns
Others Available
Filter Media Options : Polyethylene
Stainless Steel
Options : Bypass
Weight : 8 lb

Weight and/or dimensions are approximate.

Specifications subject to change without notice.

Contact Us