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...
A stopcock valve is [1] a straight-through valve that opens and closes quickly, and is also commonly used for media with suspended particles due to the wiping effect of the movement between the scr...
Commonly seen in gate valves are the rising stem gate valve and the non-rising stem gate valve, which share some similarities, that is:
(1) Gate valves seal through the contact between the valve se...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
The inner sealing of the concentric line soft seal butterfly valve D341X-CL150 relies on the seamless contact between the rubber seat and the butterfly plate YD7Z1X-10ZB1 , and the valve has a two-...