MUT 7.001.01888 – SF 20 EB 3-Way Motorized Valve, 230 V, with Ř22 mm Compression Fittings for Copper Pipe, PN10, Spring Return
The MUT SF 20 EB series motorized valve (code 7.001.01888) is a 3-way diverter valve with compression fittings for Ř22 mm copper pipe, ideal for managing heating and cooling circuits in HVAC systems. The electric motor actuator with spring return ensures a safe position in the absence of power, while the external lever allows manual control when filling or bleeding the system.
Technical Characteristics
- Series/Model: SF 20 EB (3-way, diverter)
- Item Code: 7.001.01888
- Connections: Ř22 mm compression fittings for copper pipe (EB)
- Actuator Power Supply: 230 V AC ±10% – 50/60 Hz
- Power Consumption: 5–6 W
- Control Type: ON/OFF with spring return
- Operating Time: 20 s (opening) / 6 s (reclosing)
- Rotation Angle: 90° (L-shaped port)
- Nominal Pressure: PN 10
- Max. Differential Pressure: 154 kPa (1.54 bar)
- Kvs Flow Rate: 8.0 mł/h (value at 90° deviation)
- Fluid Temperature Range: 5–110°C
- Temperature Ambient temperature: –5 to +60°C (non-condensing)
- Actuator protection rating: IP20
- Insulation class: I (EN 60730)
- Valve body: nickel-plated CW617N brass – Positive List 4MS
- Ball: chrome-plated brass with PTFE seats
- Return spring: stainless steel
- Cable length: 1 m with 3 conductors (blue, brown, yellow/green)
- Auxiliary microswitch: not present on this version (No. of microswitches ""–"")
- Approximate dimensions: width 91 mm, height 137 mm, depth 66 mm
Application advantages
- Quick and reliable switching between two circuits (fan coil, mixed zone, boiler)
- Automatic return to safety position in the event of a power failure
- Manual lever for intermediate positioning during maintenance
- Corrosion-resistant nickel-plated brass body and EPDM O-ring for long life
- Easy installation on copper lines thanks to the Ř22 mm compression fittings included
Typical Applications
- Zone heating systems with traditional or condensing boilers
- Cooling systems with heat pumps or chillers
- DHW/heating circuit diversion
- Fan coil manifolds and terminal units
Package Contents
- 3-way ball valve SF 20 EB Ř22 mm with pre-assembled actuator
- Nuts and compression fittings for Ř22 mm copper pipe
- MUT technical manual with electrical and hydraulic diagrams
This valve ensures precise flow control and reduces intervention times thanks to the spring-return actuator, making it the ideal choice for additions or replacements in residential and commercial systems.