Marker Systems
Marker Systems – a comprehensive solution designed for precision and durability, our marker plates, drive-in posts, and fixings offer reliable solutions for various industries. Explore sustainability with our recyclable marker posts, aligning with your commitment to responsible practices.
Marker Systems
We supply valves and services to the following sectors. You will see the coloured bands throughout the site indicating what the valve or component is suitable for.
Trusted by Industry Leaders for 30 Years
We are a leading supplier with over 30 years of experience, we are internationally recognised for our high-quality valves and components. Our product range includes automatic control valves, air release and vacuum valves, and a wide selection of spare parts. We’ve built our success on solving water and wastewater engineering challenges with customised, top-quality valves.
Drawing from our wealth of experience, we excel in sourcing valves for various industries, including water, power generation, and general industrial markets. Choose GA Valves for expert solutions backed by decades of experience and unwavering excellence.
The GA Knowledge Hub
Read more about the valuable insights of the industry, and hear from the experts about the latest developments in the world of valves and fluid control. Explore our articles, guides, and blogs to stay informed and make informed decisions for your projects.
Guide
Automatic vs. Manual Air Release Valves in Petrochemical Systems: Which Is Better?
Choosing the Right Air Release Mechanism for Petrochemical Applications In petrochemical environments—especially those involving seawater-based fire-fighting systems—air release
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Guide
Cost Analysis of Petrochemical Air Release Valve Types (2025 Guide)
Understanding the Cost of Air Valves in 2025 In the petrochemical industry, every purchasing decision carries weight—not just
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Guide
Air Release vs. Combination Air Valves in Petrochemical Applications: What’s the Difference?
Choosing the Right Air Valve for Petrochemical Systems In petrochemical environments—particularly those involving seawater-based fire-fighting systems—the selection of
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