Welker, Inc. products

The Welker inFlow Lite is a double-acting inline sample pump designed to take quality samples of high flow condensates and natural gas liquids (NGLs) proportional to flow. Connect a solenoid, controller signal, pneumatic or hydraulic supply, and sample container to this direct-mount sample pump, and you’ve got a complete liquid sampling system.

The Welker Essentials™ Light Liquid Sampler is double-acting positive displacement pump designed to take quality samples of low volume (100–4000 bbl/d) natural gas liquid streams proportional to flow. Connect a 4-way solenoid, pneumatic supply, controller signal, and constant pressure cylinder with internal mixer to this bypass sample pump and you’ve got a complete liquid sampling system ideal for accurate composition analysis, quality control, or custody transfer.