New Jersey, USA-The analysts in this report have conducted a comprehensive study of the global eccentric butterfly valve market, taking into account key factors such as driving factors, challenges,...
Gate valves are an important part of various industries, providing a means of controlling the flow of liquids and gases. Among the different types of gate valves available, concealed stem gate valv...
Overview
Valve is an important product in general machinery. It is installed on various pipes or devices to control the flow of medium by changing the channel area in the valve. Its functions are: ...
Valve selection principle
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require continuo...
When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
Grinding is a commonly used finishing method for the sealing surface of valves in the manufacturing process. Grinding can make the valve sealing surface obtain high dimensional accuracy, geometric ...