Description
Clorius M3FA Three-Way Control Valve (DN80–DN300)
Heavy-Duty Three-Way Control Valve for High-Capacity Heating and Cooling Systems
The Clorius M3FA is a heavy-duty three-way globe control valve designed for accurate flow regulation in industrial heating, district energy, marine, and process applications. Available in DN80 to DN300, the valve is suitable for both mixing and diverting duties and is engineered to operate with Clorius AVM234 and AVF234 electric actuators. Its robust nodular cast iron body, balanced seat construction, and corrosion-resistant internal components ensure reliable performance under demanding operating conditions.
Key Features
- Three-way globe control valve
- Sizes from DN80 to DN300
- Designed for both mixing and diverting applications
- Heavy-duty EN-GJS-400-15 nodular cast iron body
- Aluminium bronze seats and valve cone
- Stainless steel valve spindle
- Two balanced single-seat design
- Nearly linear flow characteristic
- Leakage rate ≤ 0.5% of Kvs
- Flanged connections according to EN 1092-2
- Compatible with Clorius AVM234 and AVF234 electric actuators
- Service-friendly construction for easy maintenance
Benefits
Reliable Industrial Temperature Control
The M3FA provides smooth and stable regulation of water, lubricating oil, and other compatible liquids, ensuring accurate temperature control in demanding industrial systems. Its balanced valve design reduces actuator force while maintaining excellent modulation accuracy.
Designed for Large Flow Capacities
With sizes extending to DN300, the M3FA is well suited for district heating substations, central energy plants, marine cooling systems, and other high-flow industrial installations where conventional control valves may be insufficient.
Durable Construction
The valve body is manufactured from EN-GJS-400-15 nodular cast iron, while the seats and valve cone are made from CuAl10Fe5Ni5 aluminium bronze for excellent wear and corrosion resistance. A stainless steel spindle further enhances reliability and service life.
Easy Maintenance
The packing box is integrated into the actuator assembly, simplifying servicing and reducing maintenance downtime. This practical design helps lower lifecycle costs in continuous industrial operation.
Typical Applications
The Clorius M3FA is ideal for:
- District heating systems
- Industrial process heating
- Industrial cooling systems
- Heat exchanger control
- Marine engine cooling
- Auxiliary engine cooling
- Lubricating oil systems
- HVAC central plants
- Process water circulation
- Power generation facilities
Technical Specifications
| Specification | Value |
|---|---|
| Model | M3FA |
| Valve Type | Three-Way Globe Control Valve |
| Function | Mixing / Diverting |
| Nominal Size | DN80–DN300 |
| Pressure Rating | PN10 (DN80–150 & DN300), PN16 (DN200/175 & DN200) |
| Body Material | EN-GJS-400-15 Nodular Cast Iron |
| Seat Material | Aluminium Bronze (CuAl10Fe5Ni5) |
| Spindle Material | Stainless Steel (1.4436) |
| Seal | AFLAS A75H |
| Gasket | Reinz AFM34 |
| Flow Characteristic | Almost Linear |
| Leakage Rate | ≤0.5% of Kvs |
| Regulating Capability | Kvs/Kvr >25 |
| Maximum Temperature | 120°C |
| End Connection | EN 1092-2 PN10 / PN16 Flanged |
| Compatible Actuator | Clorius AVM234 / AVF234 |
| Media | Fresh Water, Lubricating Oil, Compatible Liquids
|
Why Choose the Clorius M3FA?
The Clorius M3FA combines a rugged cast iron body, balanced seat design, and corrosion-resistant trim to deliver dependable control in large-capacity heating and cooling systems. Its compatibility with Clorius electric actuators, straightforward maintenance, and flexible use in both mixing and diverting applications make it an excellent choice for district heating networks, marine installations, and industrial process control.








