Odorant Injection Systems
Welker Odorization Systems are industry leading for safe, accurate, and emission-free spiking of odorant into natural gas streams.
CAC GAS supplies a range of options from full turnkey solutions to small, lightweight portable systems. Systems can be offered with zero emissions technology and both pump and pumpless systems.
Spare parts and accessories are also available including probes, monitors, eliminators, and spill kits.
ECOsystem™
The Welker ECOsystem™ Pumpless Vapor Injection System is turnkey odorization system for proportional to flow natural gas odorization in low, high, and variable flow conditions for locations with a regulated pressure differential.
Welker Original triple solenoid systems—with a low flow, high flow, and backup solenoid—are ideal for locations with wide variations in flow rate.
ECOsystem™ Liquid
The ECOsystem™ Liquid Pumpless Injection System is based on the zero-emission design of our standard ECOsystem™ and incorporates the accuracy and verification of the Accu/Line™ family of smart odorant injection systems. The proven technology of the ECOsystem™ eliminates the use of pipeline gas as the instrument supply. And with no methane released during normal operation, this odorization system helps you reach emissions reduction targets.
Accu/Line™ Zero Emissions
Reduce methane emissions with Welker’s proven technology! The design of the Accu/Line™ Zero Emissions includes all the key features of the Accu/Line™ family of smart odorant injection systems but eliminates the use of pipeline gas as the instrument supply, meaning no natural gas is released during normal operation.
This Accu/Line™ is a turnkey odorant injection system designed to inject liquid odorant proportional to flow into natural gas pipelines with flow rates from 10 Mscfh up to 70 MMscfh.
PulseInject™
Welker’s patent pending pumpless, pressure-driven odorant injection system is a complete solution for proportional to flow odorization for flow rates from 25 Mscfh up to 8 MMscfh and pipelines with a maximum allowable operating pressure of 1480 psig.
Accu/Line™
Welker’s Accu/Line™ turnkey natural gas injection odorization solution for flow rates from 10 Mscfh up to 7 MMscfh  and a maximum operating pressure of 1800 psig.
Accu/Line Hi™
Welker’s Accu/Line™ Hi turnkey natural gas injection odorization solution for flow rates from 50 Mscfh up to 70 MMscfh  and a maximum operating pressure of 1800 psig.
Accu/Line Lo™
Welker’s Accu/Line™ Lo turnkey natural gas injection odorization solution for flow rates from 1 Mscfh up to 720 Mscfh  and a maximum operating pressure of 1800 psig.
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.
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