Aug . 21, 2024 11:51 Back to list

Characteristics and Working Principle of Ball Check Valve

Ball check valve, as an automatic valve, plays an important role in preventing medium backflow, protecting pumps and driving machinery safety in fluid transmission systems. Its characteristics and working principle are as follows.

Characteristics of Ball Check Valve

Compact structure and low flow resistance: The ball check valve adopts a multi ball, multi channel, and multi cone inverted fluid structure, which makes the fluid flow smooth when passing through the valve, reduces flow resistance loss, and helps to save energy and increase efficiency. In addition, it has a compact structure, small volume, light weight, and is easy to install and maintain.

Good sealing performance: The key component of the valve, the rubber ball, is made of hollow steel ball with elastic rubber attached, which ensures sufficient strength and good sealing performance. This design ensures that the valve can effectively prevent medium leakage when in the closed state.

Sensitive action and good shock absorption effect: The rolling opening and closing method of the rubber ball makes the ball check valve sensitive to opening and closing, and can effectively reduce the impact force and vibration when the valve is closed, reduce noise, and protect the pipeline system from damage.

Long service life: Due to the absence of joint parts (such as shafts and bushings) inside the ball check valve, mechanical friction and the presence of vulnerable parts are reduced, thereby extending the service life of the valve.

Wide applicability: Ball check valves are suitable for various fluid transmission systems, especially in situations where it is necessary to prevent medium backflow, protect pumps and drive machinery safety.

Working Principle of Ball Check Valve

The working principle of a ball check valve is based on the pressure of the fluid and the rolling of the rubber ball. When the water pump is started, the water under pressure rushes open the rubber ball, causing it to roll to one side (such as the right side), and its position is fixed by the conical body in the rear valve body. At this time, the check valve opens and the medium can flow downstream. After the pump stops running, due to the return water pressure in the pipeline system, the rubber ball is forced to roll back to the other side (such as the left front valve body), reaching the closed state of the check valve, thereby preventing the medium from flowing back.

In summary, ball check valves play an important role in fluid transmission systems due to their unique structure and superior performance. Its compact structure, good sealing performance, sensitive action, and shock absorption effect make ball check valves an important equipment for protecting pipeline systems and preventing medium backflow.

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