Tonheflow motorized valve manufacturer
Tonhe mainly produces motorized shut off ball valve from 1/4" to 2",
Some valves approved NSF61-G, CE, ROHS and other international certification.
News and Technical
Basic types of motorized ball valve
The valve position function can be divided into:turn on off motorized ball valve and modulating valve;
The valve position can be divided into: electric ball valve and electric butterfly valve;
The valve body shape can be divided into: Normal electric valve and mini motorized valve.
The electric valve is normally on the switch type, also has the regulation type, for example: the fan inlet water pipe adjusts the water flow and so on.
The switch type electric valve is usually closed and open normally. Normally, the valve is closed when the power is off, and the valve is open when the power is off.
In addition, the wiring is divided into three lines and two lines, the large diameter is mostly three-wire, and the small-bore will have two lines and three lines.