Hey material, meet our valves.
With quality CNC-machining, NFPA compliance features and custom configurations for every application, our rotary airlock valves are the perfect match for your material processing needs.
Customizable for maximum process efficiency
Multi-Port Valve
The first ever Multi-Port for high volume applicationsA transformation of trough-style feeders, the Multi-Port rotary valve provides high capacity in a compact design with separated airlock compartments. You won't find another one like it on the market.
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Find the perfect rotary valve for your material, your application, your process.
Browse valve how-tos, NFPA tips and more
Why is rotor maintenance so important?
How do I get a rotary valve quote?
Everything you need to know about requesting a quotation for a rotary airlock or feeder valve.
Airlocks for dust collection systems: The basics
Everything you need to know about rotary airlock valves for dust collector applications
Ordering valves from ACS: Fast and Reliable
What’s it like to order a rotary valve from ACS Valves? Here’s a breakdown of our fast, reliable and cost-effective shipping process.
Watch nowView our valves in 3D
Get a 360° view of our rotary valves, parts and accessories in the 3D gallery.
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Equip your conveying system for success
Browse our suite of conveying equipment to complement your rotary valves.
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Introducing the Rotary Valve Sizing Tool
It’s easier than ever to size a valveWe love all valves, big and small, but only one size works best for your process. Calculate it in 3 easy steps with our new Rotary Valve Sizing Tool.
Size your valve
See gypsum pin mixers at ACS Mixers
Mix smooth, lasting wallboard slurryAre you in the gypsum business? So are we! Check out our sister site, ACS Mixers, to see the gypsum pin mixers we build and refurbish.
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Stay informed on all things ACSWe’ll keep you up-to-date on the latest valve how-tos, handy tips, and news from ACS. It’s totally free and you can opt out at any time.