Follow 

News

Under what circumstances is a valve positioner needed?

Under what circumstances is a valve positioner needed?

Situations where the friction is large and precise positioning is required, such as high temperature, low-temperature control valves or control valves using flexible graphite packing. Situations ...

Why is the anti-blocking performance of the straight stroke control valve poor, while that of the angular stroke valve is good?

Why is the anti-blocking performance of the straight stroke control valve poor, while that of the angular stroke valve is good?

The straight-stroke valve core is vertically throttled, and the medium flows horizontally in and out, and the flow passage in the valve chamber is inevitably turned and inverted, making the flow path ...

What are the characteristics and applications of the straight-through double-seat control valves?

What are the characteristics and applications of the straight-through double-seat control valves?

The allowable pressure difference is large because it can offset many imbalance forces. The pressure difference valve of a DN100 valve is 280 KPa. Large circulation capacity, The KV valve of a DN ...

What are the characteristics and applications of straight-through single-seat control valves?

What are the characteristics and applications of straight-through single-seat control valves?

The discharge flow is small, the sealing performance of this kind of valve can be assured since it has only one valve core. The standard discharge flow is 0.01% KV and can be further designed as a ...

The Common Types of Check Valves

The Common Types of Check Valves

Check valves are different from other types of valves in function, and they pass fluid in solely one direction. This sort of function is essential for a variety of safety applications, as well as for ...

The Maintenance Methods for Gate Valves

The Maintenance Methods for Gate Valves

The purpose of a steel gate valve is to control the flow of liquid. A steel gate valve is installed on many occasions, the most common is installed on an external spigot. We turn the knob to open a va ...