8.1 Check Valve Overview and Parameters 8.1.1 Check Valve Overview 8.1.1.1 Check valve, also known as check valve or check valve, is widely used in various types of pump outlet pipe, extraction pipe, hydrophobic pipes, and other not On the pipe that allows media to flow backwards. Check valve i.......
On the application of The South African Fasteners Manufacturers Association, South Africa conducted anti-dumping investigations on stainless steel and steel threaded rods originally produced in China. The product codes involved in the product are 7317.15.41 an.......
According to statistics, in 2008, China’s construction machinery industry realized sales revenue of 279 billion yuan, up 25% from the same period of last year; exports amounted to 13.4 billion US dollars, an increase of 56% year-on-year; sales of 25 major machinery reached 850.......
- Model NO.: MW19-56072L/1 .......
- Model NO.: STG-U .......
Korean media reported that following Hyundai Motor, Kia Motors also announced that its SUV cars have been greatly reduced in price to achieve the goal of bailout. Some analysts believe that it is precisely because Chinese car compa.......
Brazil's main shipyard, the Seth Shipyard, said recently that it is unrealistic for the government to increase the demand for oil drilling rigs, platforms and domestically built domestic reserves for Brazil to develop its huge offshore oil reserves.
Joao Carlos Ferraz, CEO of Set.......
Joao Carlos Ferraz, CEO of Set.......
Since the organizational structure and personnel adjustment at the beginning of July, the intention of Dongfeng Group to expand its own brand has been uncovered. Around the topic of “Dongfeng Autonomyâ€, Zhengzhou Nissan, a member of the Dongfeng Au.......
At present, China's agriculture, water conservancy, energy, transportation, information, construction, environmental protection and other industries have developed rapidly. Therefore, a large amount of mechanical equipment is needed to meet the needs of it.......
First, the packing seal maintenance methods:
1, wash stuffing box, and check the shaft surface for scratches, burrs and so on. Stuffing box should be clean, shaft surface should be smooth.
2, check the shaft runout, rotor unbalance should be within the.......
1, wash stuffing box, and check the shaft surface for scratches, burrs and so on. Stuffing box should be clean, shaft surface should be smooth.
2, check the shaft runout, rotor unbalance should be within the.......
With the rapid development of the network economy, with the gradual maturity of standardization and standardization of