Knowledge

It has simple structure, convenient manufacturing, low cost and reliable operation. The sealing performance of floating ball valve is related to fluid

Its main feature is that the ball has no supporting shaft, the ball is supported by the valve seats at both ends of the valve inlet and outlet, and th

A ball valve refers to a valve that uses a sphere with a circular through hole as the opening and closing part. The ball rotates with the valve stem t

Parallel gate valve: A gate valve in which the two sealing surfaces of the gate are parallel to each other and perpendicular to the axis of the valve

Wedge gate valve: A gate valve in which the two sealing surfaces of the gate plate are wedge-shaped. The purpose of using a wedge shape is to increase

Non riising stem gate valve, also known as rotary stem gate valve, refers to a gate valve where the valve stem rotates and its transmission thread is

Rising stem gate valve, also known as lifting stem gate valve, refers to a gate valve where the valve stem moves up and down, and its transmission thr

Gate valve--rising stem gate valve and non rising stem gate valve Rising stem gate valve--wedge type and parallel type Wedge type - resilient gate val

From the perspective of gate valve structure, the main difference lies in the structure of the sealing elements used. According to the different struc

Among various types of valves, gate valves are the most widely used. The gate valve mainly plays the role of cutting off the medium on the pipeline, t

The definition of gate valve in standard GB/T21465 is: a gate valve is a valve whose opening and closing parts (gate plates) are driven by the valve s

Bracket - on the valve bonnet or valve body, used to support the valve stem nut or parts of the drive device. Upper seal - a sealing structure that pr