Actuator Compatible Ball Valves

An actuator ready ball valve is a ball valve with a mounting pad machined to ISO 5211 on top of its body, onto which a pneumatic or electric actuator can be fitted directly or with a simple bracket kit. It can be operated by lever and converted to automation later.
The group includes two way valves with stainless, brass and PVC-U bodies and L and T port three way valves. On stainless models the stem size is stepped by bore to transmit actuator torque.
Main Applications
- On-off points in process automation
- Automatic valves in water treatment and dosing systems
- Motorised zone valves in heating and cooling plants
- CIP diversion in food and beverage plants
- Automatic drains on compressor and air lines
- Flow diversion and mixing with three way types
Technical Data
| Connection | Threaded (flanged types separately) |
|---|---|
| Thread size | 1/4″ – 4″ |
| Mounting pad | ISO 5211 |
| Flange size | 1/2″: F03/F04 · 1″: F04/F05 · 2″: F05/F07 · 4″: F07/F10 |
| Dimension C (datasheet table) | 1/2″: 9 mm · 1″: 11 mm · 2″: 14 mm · 4″: 17 mm |
| Max. pressure | 40 bar (stainless three piece) |
| Temperature | −25 °C … +180 °C (depending on material) |
| Body | Stainless steel AISI 304 / 316, brass, PVC-U |
| Ball seat | R-PTFE (15%) |
| Operating torque | 1/2″: 5 N·m · 1″: 10 N·m · 2″: 25 N·m · 4″: 110 N·m |
| Ports | Two way; L and T port three way |
| Factory test | 10 bar air, open and closed positions, 100% on stainless models |
Material Options
| Part | PN40 · stainless AISI 304 | PN40 · stainless AISI 316 | PN25 · brass (top flanged) |
|---|---|---|---|
| Body and cap | Stainless steel AISI 304 | Stainless steel AISI 316 | Brass (alloy code depending on model) |
| Ball | Stainless steel AISI 304 | Stainless steel AISI 316 | Depending on model |
| Stem | Stainless steel AISI 304 | Stainless steel AISI 316 | Depending on model |
| Ball seat | R-PTFE (15%) | R-PTFE (15%) | Depending on model |
| Packing and body gasket | PTFE | PTFE | Depending on model |
| O-ring | Viton | Viton | Depending on model |
| Spring nut | Stainless steel AISI 301 | Stainless steel AISI 301 | Depending on model |
| Handle and stopper | Stainless steel AISI 304 | Stainless steel AISI 304 | Depending on model |
The stainless columns are from the manufacturer part list of a three piece stainless threaded valve with mounting pad. Pad size and materials of brass and PVC-U models vary by manufacturer.
Advantages
Ready for Automation
- The actuator sits directly on the ISO 5211 pad.
- Automation is added without removing the valve from the line.
Standard Interface
- Matching with actuators of different makes becomes easier.
- Stepped flange sizes simplify spare selection.
Known Torque
- Operating torque is given in the datasheet for every size.
- The actuator is not oversized.
Manual Operation Too
- Can be used manually with the lever fitted.
- Operation continues if the actuator fails.
Construction and Design Features
- A mounting pad machined to the ISO 5211 bolt circle sits on top of the body.
- The stem end emerges from the centre of the pad to connect to the actuator adaptor.
- Stem sealing is provided by PTFE packing, a Viton O-ring and a spring nut.
- On stainless models the body is three piece; the centre section can be removed while the end pieces stay in the line.
- A stopper on the lever limits the open and closed positions.
Send us the thread size, body material and actuator type; we will prepare the valve, actuator and mounting kit together.
How to Choose?
- Select the body for the mediumConsider stainless for chemical and food lines, brass for water and air, PVC-U for acidic water.
- Note the pad sizeMatch the F03–F10 flange size for the valve bore with the actuator.
- Calculate the torqueSelect the actuator by adding a safety margin to the datasheet operating torque.
- Decide on portsChoose an L or T port three way valve if flow diversion is needed.
- Define the power sourcePrefer a pneumatic actuator where compressed air is available, otherwise an electric one.
Complementary Products
Why ORFA?
Types of Actuator Compatible Ball Valves

Actuator-Ready Stainless Steel Threaded Ball Valves
Actuator-ready stainless steel threaded ball valves have a stainless body, threaded ends and a mounting pad for an actuator.
Details →
Actuator-Ready Brass Threaded Ball Valves
Actuator-ready brass threaded ball valves have a brass body, threaded ends and are suitable for fitting an actuator.
Details →Other Ball Valves

Threaded Ball Valves
Threaded ball valves connect to the pipeline with threaded ends and open or shut off the flow with a quarter turn. They are widely used in small and medium sizes in water, heating-cooling, compressed air and process installations.
Details →
Flanged Ball Valves
Flanged ball valves are installed in the pipeline with flanged connections and provide tight shut-off with a quarter turn. They are preferred in medium and large diameter water, heating, oil and process lines.
Details →Get a quote for your project
Our sales team will prepare the best solution for your needs.
