Preparation before operation
Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clear about the flow direction of the gas, you should ...
The initial stage of the valve industry (1949-1959)
01Organize to serve the recovery of the national economy
The period from 1949 to 1952 was the period of my country’s national economic reco...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
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...
The China (Guangxi)–ASEAN International Expo on Construction Materials and Machinery opened at the Nanning International Convention and Exhibition Center. Government officials and industry represen...
Electric butterfly valve, as an important fluid control device, are widely used in industries such as water treatment, chemicals, and petroleum. Their primary function is to precisely regulate flui...
Offset Butterfly Valve Related Videos From Youtube