Power supply: 220V +/- 10% 50Hz～60Hz
Power: <6.5W
Pressure: 1.6MPA
Valve Action time:open time ≤ 13s closing time ≤ 7s
Working Circumstance:Air temperature: 5～40℃
Pipe water fluxion temperature: 5～90℃
Port size：1/2~1”（15~25mm）
KV Value：6.5（7.5）
Close P△ Mpa：0.18
SW-B. . . /H series Spring return valves consist of stainless actuators and forged brass valve bodieswith additional spring return function.
The series of valves are widely used for the control of theends such like fan coil units, cooling/ heating system, HVAC system, solar system etc.
Using the ther-mostatto control the motor of the spring return valve, and make on/off through speed-downmachine and reset the spring to carry out the break/on of the hot/cold water in the pipe. lt'seasy for users to instal actuators onto valve bodies with pop-off connecting type.
| Model | Matching size | Valve type | Power | Medium | Time (sec) |
| electric actuator with valve | |||||
| SW-B152H | 1/2'' | 2 way | 220V±10% <6.5w | cool/hot water 50% glycol | Fission valve: Open time: 14-18s Close time: 5~7s Form-fitting valve: Open time: 8-12s Close time: 3~5s |
| SW-B202H | 3/4'' | ||||
| SW-B252H | 1'' | ||||
| SW-B153H | 1/2'' | 3 way | |||
| SW-B203H | 3/4'' | ||||
| SW-B253H | 1'' | ||||
Instruction of operation and Installation
1.Feed line and return pipe of differential pressure should be controlled within the range allowed pressure difference.
2.The valve should be installed somewhere easy to install and maintain.
3.Horizontal installation, that’s mean the motor should be in the above of valve body to avoid humidity.
4.When install 3 way valve, infall is on the bottom of valve (no signal showed)
