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
Sewage air valves on trade effluent rising mains: what food and drink sites need to know
If your site pumps its own effluent, whether to a treatment plant or to the public sewer, that
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Guide
Is an 80 mm air valve always an 80 mm valve?
Here’s one that catches people out. We recently had an enquiry for an 80 mm air valve, and
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Guide
Air valves on pumped industrial mains: stopping surge, trapped air and wasted energy
If a pumped main on your site bangs when the pump starts, is slow to fill, or keeps
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