Motorized Zone Valve
Saiko spring-return zone valves zone control valves are used to control the terminal water way of air conditioners, which consist of thermostats that can control the motorized valves, and use speed-down devices and the reposition spring to turn the valves on/off, so as to control the media in the pipe and then to control the temperature automatically with the help of the air sent by the fan coil units.
Technical Specifications
Standard motor voltage: 230v 50HZ 7 watts; (120v,24v available)
Operating time: opening 10~15 secs, spring return 4~5 secs.
Operating pressure: 300 psi / 2.0 Mpa
Norminal pressure: 233 psi / 1.6 Mpa
Water temperature: 0 ~90 deg C
Ambient temperature: 0~50 deg C
Valve body: Brass forging
Connections: 22mm compression;28mm compression;
Manual lever for filling up and draining down
Spring return action
Models
Model | Port | Size | L | H | Kv | |
SKCW215 |
2-way |
1/2’’ | DN15 | 90 | 114 | 4.5 |
SKCW220 | 3/4” | DN20 | 95 | 116 | 5.7 | |
SKCW225 | 1” | DN25 | 105 | 128 | 8.7 | |
SKCW315 |
3-way |
1/2’’ | DN15 | 90 | 133 | 4.3 |
SKCW320 | 3/4” | DN20 | 95 | 133 | 5.5 | |
SKCW325 | 1” | DN25 | 105 | 144 | 8.3 |
Installation diagram