GF Signet

Innovating Water & Chemical Sensors since 1960s.

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Since the 1960s, GF Industry and Infrastructure Flow Solutions' Measurement and Control, originally known as Signet, has been designing, developing, and manufacturing products in-house. Based in Irwindale, CA, our comprehensive product portfolio includes a variety of sensors and instruments for water and chemical applications. We specialize in pH/ORP, conductivity/resistivity, flow, dissolved oxygen (DO), chlorine, and transmitters. Most sensors with associated fittings are available in plastic and are compatible with GF Industry and Infrastructure Flow Solutions valves, pipes, and fittings. Our Measurement and Control products are used in a variety of water and wastewater treatment applications, supporting global companies with high-performance components.

60 Years of Reliability

For six decades, GF Industry and Infrastructure Flow Solutions has been developing and manufacturing sensors in our own factory in Irwindale, California. Our extensive experience can help your systems run continuously and efficiently.

Innovative Solutions

We produce versatile products with unique designs and long service lives, suitable for everything from general usage to harsh media applications. Our products are available in various materials and can be customized to meet your specific needs.

Flexible Use

Our extensive portfolio includes sensors and instruments to cover a wide range of process controls. All our products are compatible with GF Industry and Infrastructure Flow Solutions valves, pipes, and accessories, providing a one-stop solution to help you build and maintain your systems.

Global Presence with Local Support

As a global company, we’re committed to supporting you, no matter where you or your customers are. Our regional centers provide repair and support services, while our team of experts specializes in tailoring customized solutions for your unique application.

Our Portfolio

Georg Fischer Signet LLC, Irwindale, CA

5462 North Irwindale Avenue

91706 Irwindale

United States