Natural Gas Odorizer, Odorization and Odorant Injection Systems

GPL logoGPL Odorizers designs, manufactures, and services odorization systems for natural gas. Unlike other natural gas odorant injection systems, the GPL odorizer is ventless and does not discharge gas into the atmosphere. The equipment is self-contained, and by not releasing gas, it saves pipeline fuel, improves safety, and reduces leak-call complaints because of the reduction in odor.

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The GPL 750 odorizer provides an eco-friendly approach to accurate, optimal and consistent gas odorization for low-volume (even no-flow) and intermittent-flow applications.

The GPL 10000 odorizer is the eco-friendly odorant injection system that meets the demands of nearly all pipeline applications, and ideal for high-volume and high-pressure applications. The 10000 is ideal for high-volume and high-pressure applications. With a 100:1 turndown ratio, the system injects precise quantities (0.2% accuracy) of liquid odorant across the entire operating range, in both continuous and batch modes.


Please note that the GPL Z9000 has been replaced by the GPL 750 Odorant Injection System.

The Zeck Z10000 odorant injection system is now the GPL 10000. Zeck Systems originally manufactured the Z10000 odorant injection system to provide gas odorization in applications of high-pressure and high-volume applications at transmission companies. In 2010 Sentry Equipment acquired Zeck Systems, and GPL Odorizers bought the odorization product line in 2015.

The Zeck Z9000 optical odorant injection system has been discontinued and replaced by the GPL 750.