- ATM 333 thermostatic mixing valve Function: mixing and maintaining the temperature of the medium 35-60°C. Parameter: Kvs 1.6 m3/h.
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Thermostatic mixing valve ATM 333 DN20 RP 3/4 inch, range 35-60°C, Kvs 1.6 m3/h
Thermostatic mixing valve for precise maintenance of the set temperature of the medium in the range of 35-60°C. Suitable for installations with RP 3/4 inch connection and DN20 nominal diameter.
- Operating temperature range: 35-60°C
- Flow coefficient Kvs: 1.6 m3/h
- Connection: RP 3/4 inch
- Nominal diameter: DN20
- Thermostatic mixing function
- Model: ATM 333
Key benefits
Stable mixing within a preset range of 35-60°C promotes the maintenance of a repeatable medium temperature. Parameters of DN20 and RP 3/4 inch make it easy to fit into compatible installation sections.
Features and equipment
- Automatic mixing control thanks to a thermostatic element.
- Temperature setting range: 35-60°C.
- Kvs factor of 1.6 m3/h for hydraulic selection.
- Standard RP 3/4 inch (DN20) threaded connection.
Application
For systems where mixing and temperature control of the medium in the range of 35-60°C and RP 3/4 inch (DN20) connection is required.
Technical data
| Product type | Thermostatic mixing valve |
| Model | ATM 333 |
| Nominal diameter | DN20 |
| Connection | RP 3/4 inch |
| Temperature range | 35-60°C |
| Kvs | 1.6 m3/h |
Summary
ATM 333 is a DN20, RP 3/4 inch thermostatic mixing valve with a temperature range of 35-60°C and a Kvs of 1.6 m3/h. It will perform well where stable and predictable control of the medium temperature is needed.
FAQ (customer)
- Is this a thermostatic mixing valve? Yes, it is a thermostatic mixing valve.
- What connection size does it have? RP 3/4 inch with nominal diameter DN20.
- What temperature range can it control? 35–60°C.
- What is the Kvs value? 1.6 m3/h.
- Is it suitable for drinking water or heating systems? Not specified in the provided data.
- Does it include accessories like fittings or sensors? Not specified in the provided data.
FAQ (expert)
- Thread standard/type? RP 3/4 inch (as stated).
- Nominal diameter? DN20.
- Adjustable temperature range? 35–60°C.
- Kvs for sizing? 1.6 m3/h.
- Permissible media, pressure class, or installation orientation? Not specified in the provided data.
- Does it require external power? No, it is a thermostatic mixing valve (no external power specified).
- Accurate temperature control within the stated 35–60°C range.
- RP 3/4 and DN20 sizing made it straightforward to match with existing pipework.
- Good flow characteristics for my setup; the Kvs 1.6 m3/h is clearly stated.
- SimpLe, no-frills thermostatic mixer that does what it says.
- Clear specs helped with system pLanning; no surprises during installation.
- Solid feel and consistent mixing performance after initial setup.
- The stated temperature range is ideal for our appLication.
- Would have liked more documentation on accessories, but the core valve works well.
- Compact and easy to integrate thanks to DN20 and RP 3/4 connection.
- Stable operation with predictable flow behavior based on the Kvs value.
- Good value if you need a defined 35–60°C adjustment span.
- Works reliably; specification transparency is appreciated.








