
Esbe ZRS220 Series Motorized Zone Valve
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The ESBE ZRS220 series consists of 2-way motorized zone valves with spring return available in DN 15-32, PN16 with internal thread connection.
The Esbe ZRS220 motorized zone valve series is a range of two-way motorized zone selector valves with a spring-return actuator for use in heating and cooling systems. The valve can be easily operated manually using the lever on the side of the actuator.
The actuator is controlled by a 2-point signal with a spring return function and is recommended for on/off operation, available for 230 V AC at 50/60 Hz power supply.
The actuator is mounted on the valve with a screw fixing that allows for safe, easy, and quick assembly and disassembly of the actuator, even when the system is pressurized.
The Esbe ZRS220 Series motorized zone valve is intended for use in closed circuits only.
Valve | |
Pressure class | PN 16 |
Medium temperature | max. + 94ºC / min. 2ºC |
Media | Water/glycol mixtures, max. 50%. (Above a 20% mixture, check the pump specifications.) |
Operating pressure | 1.6 MPa (16 bars) |
Max differential pressure | see the diagram |
Connections | Internal thread (G), ISO 228/1 B |
Material | |
Valve body | Brass CW 614N |
Ball | NBR |
O-rings | EPDM |
Actuator | |
Room temperature | max. +60ºC / min. 0ºC |
Accommodation classification | IP44 |
Protection class | Yo |
Connection cable | 1 meter |
Power supply | 230 V AC, 50/60 Hz |
Control signal | 2-point (2-wire spring return) |
Electricity consumption | 6 VA |
Operating time | Opening 15 seconds; close 5 seconds |
Download installation instructions