Factory Direct Selling Spring Return Electric 2 Way DN20 Zone Valve
Instruction of operation and Installation
- Feed line and return pipe of differential pressure should be controlled within the range allowed pressure difference.
- The valve should be installed somewhere easy to install and maintain.
- Horizontal installation, that’s mean the motor should be in the above of valve body to avoid humidity.
- When install 2 way valve, B side should be infall and A side should be outfall (A, B signed on the bottom of valve body)
- When install 3 way valve, infall is on the bottom of valve (no signal showed)
Pay attention to
The 3 way valve, B side is NC and a side is NO, so install outfall pipe, B side should be connected with main pipe and A side should be connected with by pass pipe.
Brief Instruction
This series of Motor Valve is used for the control of the ends of center A/C. Thermostat control the motor of the Valve, and make on/off through speed-down machine and reset spring to carry out the break/on of the hot/cold water in the pipe.
Main Specification
- Stainless steel base, aluminum shell
- Totally enclosed uni-directional hysteresis synchronous motor drive, stainless steel spring return
- Electric valve is divided into normal close 2-way valve and bypass the 3-way valve
- Motor voltage and valve body to take over the form can be custom made according to customer requirements