Light Liquid Sampling

Essentials Light Liquid Sampler

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.


LS-14 Light Liquid Sampling System is an all-in-one solution that collects, mixes, and maintains a large volume of a representative composite sample.

InFlow Lite

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.

inLoop RFP

 inLoop™ RFP is a double-acting bypass sample pump designed to take quality samples of refined products, such as diesel, gasolines, and jet fuel.


CP-2 Constant Pressure Cylinder is the container for the safe collection and transport of accurate samples for laboratory analysis.

Pitot Probe

The 2-in-1 design of the Welker Pitot Probe creates the pressure drop for you in the convenience of one tap.

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