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
Over 60 Years of Experience
Get A Quote


Chemical Infusion & Odorization

Spill Kit

Welker’s solution for emergency response to liquid odorant spills.

Diffusing Probe

Designed for use with injection odorizers, Welker’s diffusing probe allows for rapid odorant dispersal across the full diameter of the pipeline, ensuring uniform odorization, even during times of variable flow.


Welker’s larger volume exhaust filter designed to passively filter mercaptan odor from odorization systems or odorant supply tanks.


Welker’s economical solution for passive removal of mercaptan odor from natural gas exhaust lines of constant and intermittent bleed systems.


Safely and effectively odorize individual low flow natural gas lines with Welker’s wick style odorizer.

Essentials™ Injection Odorizer

Welker’s low-cost, proportional to flow injection odorization system for applications with low odorant usage that do not require direct odorant measurement.

Portable Odorizer

Welker’s compact portable injection odorizer is your safeguard against emergency interruptions to operation. The Portable Odorizer provides temporary, time-based odorization for flow rates up to 6.5 MMscfh and pipelines with a maximum operating pressure of 2000 psig.


Welker’s all-in-one, one-of-a-kind automatic pulse bypass odorizer for pumpless, proportional to flow natural gas odorization in low, high, and variable flow conditions.

Accu/Line System

Welker’s turnkey natural gas injection odorization solution for flow rates from 1 Mscfh up to 70 MMscfh  and a maximum operating pressure of 1800 psig.

OdorXice™ Plus

OdorXice Plus™ is based on patented technology designed to break down mercaptans and other organosulfur compounds, including hydrogen sulfide. This safe and biodegradable formula will completely eliminate the source of odors on any surface.