Product overview

The pneumatic fan-shaped blind valve is mainly composed of the left valve body, the right valve body, the valve stem, the gate, the sealing ring, the pneumatic push rod and other parts, and a rigid structure is formed by the base and the support column. The sealing part is made of stainless steel and rubber sealing ring, which has good sealing performance and long service life. The sealing ring is set on the gate, and the sealing ring is replaced during easy maintenance. Pneumatic push rod blind plate valve can be controlled by a single remote control, and can also be controlled by multiple remote control by network. In abnormal cases, it can also be manually operated by the valve itself. It is widely used in coal gas and toxic gas medium pipelines in industrial and mining enterprises, environmental protection and other industries, as a reliable cutting device.

Structural features

1. This valve is composed of left and right valve bodies, fan-shaped valve plates, stainless steel bellows, driving devices, clamping devices and other components;

2. The valve body adopts a three-point locking fan-shaped valve plate structure;

3. The sealing part adopts stainless steel and rubber sealing ring, which has reliable sealing performance, thus increasing the service life of the sealing ring. The sealing ring is set on the valve plate, which is convenient for replacing the sealing ring during maintenance;

4. Actuator operation, stable work, flexible opening and closing, and reliable action;

5. The clamping action adopts the screw nut pair for clamping, with good self-locking performance;

6. The blind valve is equipped with stainless steel bellows, which has the advantages of strong scalability and long service life.

Working principle

1. From opening to closing the valve:

The clamping motor acts to drive the screw to rotate counterclockwise, the valve body is released in place (displayed by the indicator light), the drive motor acts to drive the gate to rotate counterclockwise in place, the gate is closed in place (displayed by the indicator light), and the clamping motor Action, drive the screw to rotate clockwise, the valve body is clamped in place (displayed by the indicator light) to complete the whole process of the valve from opening to closing.

 2. The valve is closed to open:

The clamping motor acts to drive the screw to rotate counterclockwise, the valve body is released in place (displayed by the indicator light), the drive motor acts to drive the gate to rotate clockwise, the gate opens in place, and the valve is closed (displayed by the indicator light). to the whole process of opening.

Main external connection dimensions