Process Filters

AEF-1 Atmospheric Exhaust Filter

Welker’s AEF-1 Atmospheric Exhaust Filter is designed to remove mercaptan odor from natural gas vent lines. This easily installed unit utilizes activated charcoal to absorb offensive odors from constant or intermittent bleed systems.   AEF-1 Atmostpheric Exhaust...

DA-1 Dehydration Assembly

The Welker DA-1 Dehydration Assembly is designed to filter, dry, and regulate natural gas or instrument air for use as a pneumatic instrument supply. The system incorporates filters to remove unwanted elements from the instrument supply, as well as regulators to...

F-Series filters

The Welker F-4 and F-5 Filter/Dryers help to remove aerosols, odorant, and liquid hydrocarbons from gas or instrument air. The Welker F-7 and F-8 Filters are designed to filter particulates from natural gas to protect downstream instrumentation. As gas flows through...