The water ring vacuum pump is an impeller with vanes eccentrically mounted in a water-filled pump housing. The impeller rotates in the pump housing to form a water ring. Its function is equivalent to a piston, and a vacuum pump that draws out air to form a vacuum by changing the volume. Th ...read more...
When designing the equipment, the design institute must determine the purpose and performance of the pump and select the type of disintegration. This choice starts with choosing the type and form of the pump. Then what principle does the pump choose? What is the basis? First, understand t ...read more...
The United States Minneaph ET-3372 digital clamp meter offers different quotes in the following three regions, quoted at 140-180 yuan in Guangdong, 155-200 yuan in Zhejiang, and 160-200 yuan in Shanghai. Product Name Brand Model Area Price (RMB Â RMB / piece ) digital clamp meter US Mi ...read more...
In the third quarter of 2011, the Guangzhou Municipal Bureau of Industry and Commerce organized a random inspection of the car sales shops, auto repair shops, auto parts stores, or operation departments of the Guangzhou market and brake pads in the professional market. A sample of 54 producti ...read more...
Financial departments (bureaus), local taxation bureaus, industrial and informationization authorities of all provinces, autonomous regions, municipalities directly under the Central Government, and cities under separate planning, relevant enterprises, the National Taxation Bureau of Tibet ...read more...
Symptoms the reason Method of exclusion Motor does not start The line is blocked 1. Check the wire 2. Mechanical parts stuck 2. Remove obstacles 3. The voltage is too low 3. Escape the peak of electricity 4 wire fine 4. Replace 2 mm2 copper conductor above Absorption of water 1. Sucti ...read more...
GEA Westfalia recently announced that its new BallastMaster ultraV for UV-irradiation systems for ballast water treatment has received a type approval from the IMO Guidelines Treaty. It is reported that the system is divided into two stages: upstream mechanical filtration, ultraviolet radiation an ...read more...