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 ...
I. Pre-installation Preparation
1. Check the valve specification model, pressure level, and flow direction identification to ensure that it meets the design requirements.
2. Check th...
The valve continuously maintains and completes the given functional requirements within a certain working time, and the performance of maintaining the given parameter value within the specified ran...
Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets t...
Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
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 ...
2.5 Inch Butterfly Valve Related Videos From Youtube