281.491.2331 13839 West Bellfort Street Sugar Land, TX
281.491.2331 13839 West Bellfort Street Sugar Land, TX
ISO 9001:2015
U.S. Patents
90 + U.S. Patents
Since 1954
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I-Series Instrument Regulators Maintain Pressure Control & Protect Sensitive Equipment IBR ISPE
Instrument Regulator
Instrument Regulator
Back Pressure Regulator
Don't Let Moisture Derail Your Process Keep Your LNG Train on Track With Welker's Molecular Sieve Probes. Learn More For Gas as Dry as a Desert Condition pipeline gas to supply dry gas seals and
emergency shutdown valve actuators
Learn More CleanFlow™ F-31
Zero Emissions Odorizers EST. 1999 Three types of environmentally friendly smart turnkey odorizations systems
to help you hit your methane emissions reduction targets.
ECOsystem Liquid Accu/Line™
Zero Emissions
Pumpless Vapor Injection
ECOsystem ECOsystem™
Pumpless Liquid Injection
Hydrogen ESG Goals Welker has a growing number of solutions to help you advance on your Zero Emissions Odorizers LeakHawk™ Hydrogen

Manufacturing Ideas.

Novel designs. Advanced manufacturing. Unrivaled solutions.

Upstream to downstream, Welker is the one-stop-shop for your natural gas sampling and odorization needs.

Welker has what you need for repeatable representative samples of crude oil, whatever the grade, wherever you are.

As simple as a probe or as complex as a complete sampling system, Welker has the equipment for your light liquid hydrocarbon sampling application.

From tank farms to fuel tanks, Welker is along for the ride! We help you take accurate samples of your finished fuels for optimal valuation.

In a class of their own: Welker’s patented probe and patent-pending system are the future of LNG sampling.

Product Design

We design our products to be the most effective solution without compromising the user experience. We design our products with performance, safety, and convenience in mind.

Welker Customer Service

Customer Service

Our sales team is readily available to work with you during the discovery process to ensure you are comfortable with your Welker purchase.

Product Service

The Welker customer experience extends beyond the purchase of our product. Our service department provides applied knowledge and expertise to installation, operation, and maintenance of Welker products.

Featured Welker Systems

Welker provides complete solution systems for your special case application. We know no boundaries.


Career & Jobs

Does this work for you?
We’re a small company where you can contribute in a big way.
Where your voice is heard and you can make a real difference.
We offer career growth and development through supportive, collaborative teams.
We also know the importance of flexibility and work-life balance.
So we ask again.
Does this work for you?