Esbe ZRS220 Series Motorized Zone Valve
You may also like
You will soon find the spare parts for this product here.
The ESBE ZRS220 series consists of 2-way motorized zone valves with spring return available in DN 15-32, PN16 with internal thread connection.
Esbe's ZRS220 series motorized zone valve series is a range of 2-way motorized zone selector valves with spring return actuator for use in heating and cooling systems. The valve can be easily manually operated with the lever on the side of the actuator.
The actuator is controlled by 2-point signal with spring return function and is recommended for on/off function, available for 230 V AC power supply at 50/60 Hz.
The actuator is mounted on the valve with a screw fixation that allows the actuator to be mounted and disassembled safely, easily and quickly even with the pressurized system.
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. fifty%. (above 20% mixture, pump data must be checked) |
Operating pressure | 1.6 MPa (16 bar) |
Max. differential pressure | see diagram |
Connections | Internal thread (G), ISO 228/1 B |
Material | |
Valve body | Brass CW 614N |
Ball | NBR |
O-rings | EPDM |
Actuator | |
Ambient temperature | max. +60ºC / min. 0ºC |
Accommodation classification | IP44 |
Protection class | I |
Connection cable | 1 meter |
Power supply | 230 VAC, 50/60 Hz |
Control signal | 2 points (2-wire spring return) |
Electric consumption | 6 VA |
Operating time | Open 15 seconds; close 5 seconds |
Download installation instructions