I. Principles for Selecting Butterfly Valves
1. Structure type selection
Center butterfly valve (center line type): The valve stem and butterfly disc are centrally symmetrical, with simple structur...
Overview of Soft-Seal Gate Valve
Soft seal gate valve, also known as elastic seat seal gate valve, is a manual valve used in water conservancy projects to connect pipeline media and switches. The s...
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...
The rubber seated butterfly valve is a kind of valve that uses a circular butterfly plate as the opening and closing part and rotates with the valve stem to open, close and adjust the fluid channel...
In industrial piping systems, valves are crucial devices for controlling fluid flow. Based on different working principles and application scenarios, valves can be classified into various types, in...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...