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Valve Actuator Mounting Brackets & Adapter Plates
Mounting brackets and adapter plates that join a quarter-turn actuator to a valve — cut, drilled and fabricated to suit the valve top-works and actuator flange you're using.
- TypesBox/open brackets, flat adapter plates, fabricated brackets
- DrillingTo your valve and actuator flange patterns (e.g. ISO 5211 designations) — confirmed before cutting
- MaterialsStainless steel or mild steel
- ProcessesCNC plasma cutting, drilling, tapping, folding, welding
Made to order · Price on application · One-offs and batch quantities
REQUEST A QUOTEor call 0151 547 1221Made by a team that works with valves
Metal Plasma Cutting is a trading division of Actuation Valve & Control, so actuator brackets aren't a sideline for us — they're parts we see fitted every week. A bracket has to locate the actuator square to the valve, give the drive coupling room to work, and line up with two different bolt patterns at once.
We make open box-style brackets, flat adapter plates for direct-mount situations, and fabricated brackets for awkward combinations where the valve and actuator flanges don't match.
What we need from you
The valve make, model and size; the actuator make and model; and, if you have them, the valve top-flange and actuator flange drilling details (for example the ISO 5211 flange designation) and the stem dimensions. A drawing or photos of an existing bracket help too.
Brackets are made to the dimensions you supply or approve. We'll confirm the drilling with you before cutting. Couplings/drive adaptors are a separate machined part — mention it if you need one and we'll advise.
Technical information
| Types | Box/open brackets, flat adapter plates, fabricated brackets |
|---|---|
| Drilling | To your valve and actuator flange patterns (e.g. ISO 5211 designations) — confirmed before cutting |
| Materials | Stainless steel or mild steel |
| Processes | CNC plasma cutting, drilling, tapping, folding, welding |
| Quantities | Single replacements to batch orders for automation projects |
Materials
- Stainless steel
- Mild steel
Processes
- CNC plasma cutting
- Drilling & tapping
- Folding
- MIG/TIG welding
Customisation
- Bracket height to suit coupling
- Valve and actuator flange drilling
- Open or enclosed sides
- Material
Applications
- Quarter-turn ball and butterfly valve automation
- Retrofitting actuators to existing valves
- Process plant maintenance
- Valve automation package builds
How to order
Send your drawing (DXF, DWG or PDF) or a dimensioned sketch with the material, thickness and quantity. We'll check it, ask about anything unclear, and reply with a price and lead time. Once approved, parts are made in our Knowsley workshop for collection or UK delivery.
Questions we're often asked
Do you supply the coupling as well?
Couplings are machined parts. Tell us the valve stem and actuator drive details and we'll confirm what we can supply.
Can you copy an existing bracket?
Yes — send the dimensions or the old bracket and we'll measure and reproduce it.
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Need actuator mounting brackets & adapter plates?
Send your drawing or sketch and we'll come back with a price and lead time.





