Valve sealing is a universal technology essential to various industrial sectors. Not only are sectors such as petroleum, chemical, food, pharmaceuticals, paper making, hydropower, shipbuilding, wat...
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...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
The 9th China Environment Expo was held in Guangzhou from September 17 to 19 at Area B of the China Import and Export Fair Complex. As Asia’s flagship exhibition for environmental governance,...
With the arrival of the first rain and snow in winter, the temperature dropped sharply. In this severe cold, the front-line emergency repair personnel of the Municipal Guokong Water Co., Ltd. brave...
1 Treatment method for increasing pneumatic valve leakage
If the case of the valve spool is worn to reduce the leakage of the valve, it is necessary to clean and remove the foreign body; if the pre...