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Ball valve vs solenoid valve

Author: Site Editor     Publish Time: 2018-09-26      Origin: Site


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Ball valve, the opening and closing part ball is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. Solenoid valves are electromagnetically controlled industrial equipment.

ANSI stainless steel ball valve        solenoid valve


We will easy to find following difference between ball valve and solenoid valve.The hard-sealed V-ball valve has a strong shear force between the V-shaped core and the metal seat of the hard-welded carbide alloy. It is especially suitable for fiber-containing, micro-solid particles. Etc. The multi-way ball valve not only can flexibly control the confluence, splitting, and flow direction switching of the medium, but also can close any channel and connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. Ball valves are classified according to the driving method: pneumatic ball valve, electric ball valve, manual ball valve.


Solenoid valves are the basic components for controlling fluids. They are actuators and are not limited to hydraulic and pneumatic. Used in industrial control systems to adjust the direction, flow, speed and other parameters of the media. The solenoid valve can be used with different circuits to achieve the desired control, while the precision and flexibility of the control can be guaranteed. There are many kinds of solenoid valves. Different solenoid valves play different roles in the control system. The most common ones are check valve, safety valve, directional control valve, speed control valve, etc.

Main feature for solenoid valve:

1. Corrosive medium: Plastic King solenoid valve and all stainless steel should be used; for strong corrosive medium, isolation diaphragm type must be used. For neutral media, it is also advisable to use copper alloy as the solenoid valve of the valve shell material. Otherwise, the rust will often fall off in the valve casing, especially in occasions with infrequent movement. Ammonia valves cannot be made of copper.

2. Explosive environment: The corresponding explosion-proof grade products must be selected. For outdoor installation or dusty occasions, waterproof and dustproof varieties should be used.

3. The nominal pressure of the solenoid valve should exceed the maximum working pressure in the pipe.

The solenoid valve is magnetically attracted after the electromagnetic coil is energized to overcome the pressure of the spring to drive the spool. The electromagnetic coil has a simple structure and is cheap, and can only realize the switch. The solenoid valve is used for the switching control of the liquid and gas pipelines. Bit DO control. Generally used for the control of small pipes. The solenoid valve can only be used as a switch, it is a DO control and can only be used for small pipe control. It is commonly used in DN50 and below pipes.

Feature of solenoid

1, switch form:

The solenoid valve is driven by the coil and can only be turned on or off. The switching time is short.

2. Nature of work:

Solenoid valves generally have a small flow coefficient and a small difference in working pressure. For example, a general 25-caliber solenoid valve has a smaller flow coefficient than a 15-caliber electric ball valve. The solenoid valve is driven by an electromagnetic coil and is relatively easily damaged by voltage surges. Equivalent to the role of the switch, is the role of opening and closing. Solenoid valves can be reset by general power failure. For such functions, electric valves require a reset device.

3. Applicable technology:

Solenoid valves are suitable for some special process requirements, such as leakage, special fluid media, etc., which are more expensive.

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