2BEA Liquid Ring Vacuum PumpDelivery term:The date of payment from buyers deliver within days
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Application and characteristics
The liquid ring vacuum pumps and compressors of 2BE series are high-efficient and energy-saving products developed by our company on the basis of our scientific achievements and production experiences over the years combining with the advanced international technique of similar products.They are usually used to suction the gas without solid particle, undissolved and noncorrosive gas in order to form vacuum and pressure in the closed container.By changing the structure material,they can also be used to suction corrosive gas or use corrosive liquid as operating liquid.They are widely used in paper-making,chemical,petrification,light industry, pharmacy, instruments, metallurgy, construction,electronic appliance, coal-cleaning, mineral concentration, fertilizer, etc.
These single-stage and single-acting pumps are simple in structure, convenient in maintaining, reliable in operating, efficient and energy-saving. They can run under tough working conditions with large drainage discharge and changing load impact. 2BE vacuum pumps adopt unique poly-tetrafluoroethylene valve plates (former liquid ring pumps use ball valves) for their exhaust systems. Each valve plate is covered on vents in outer side of a port plate and fixed by a stainless steel baffle at its other side. Curvature of the valve plate changes with inlet pressure so that pumping medium can be discharged when it reaches the inlet pressure. Such structure avoids over-compression in a vacuum system and automatically adjusts exhausting area to lower power consumption, thus a best operating efficiency can be obtained.
We have optimized designs of key parts like distribution plate, impeller and pump shaft by simplifying their structures and improving their performances, thus energy-saving target has been reached. Dynamic balance problem is radically solved because during impeller welding, blades are formed by one-step stamping with rational molded lines and all wheel hubs are processed. The impeller and pump shaft combined by shrinkage interference fit perform reliably and smoothly. Blades of the impeller will obtain good ductility after the impeller is welded and processed by overall heat treatment, thus impact resistance and flexure resistance of the blades are fundamentally guaranteed for application under tough working condition with changing load impact.The 2BE pumps are convenient in assembly,application and maintenance and simple in operation due to their gas-water separators, several vents at different positions, vent valve manholes in pump covers and clearances between the distribution plates and impellers which are adjusted by glands at both ends of locating shafts.
All vacuum pumps will be subjected to strict inspections and tests in our testing center so as to guarantee their excellent, reliable and long lasting performances.
Tail gas/flare-gas recycle .recycle of VCM in PVC device .recycle gas compression .polyester production .liquid chlorine production
Pressure swing adsorption (PSA).vacuum crystallization and filtration .tower top vacuum system for reduced pressure distillation of crude oil
Compression of inflammable and explosive gases like ethyne and hydrogen .compression of toxic and corrosive gases like chlorine .vacuum transfer of various materials
Water ring vacuum pump: model expression method
Models of 2BE pumps are expressed by 8 words (letters) and numbers as follows:
2BEA-- <1><2> <3>-<4>
2BEA is the name of single-stage water ring vacuum pump and 1 stands for 2BE high vacuum series.
<1><2> stands for nominal radius (cm) of the impeller.
<3> stands for code of width-diameter ratio of the impeller, specifically, 1 stands for B(width)/D(diameter)=0.5; 2 stands for B/D=0.75, 3 stands for B/D=1 and 5 stands for B/D=1.2.
<4> stands for code of minimal suction pressure, specifically, 0 stands for limiting vacuum of 33hpa and 1 stands for limiting vacuum of160hpa.
For example, "2BEA-403-0" stands for a single-stage water ring vacuum pump in which the nominal diameter of the impeller is 800mm, width-diameter ratio is 1 and minimal absolute suction pressure can reach 33hPa. Such pump can also be recorded as 2BEA-403 (since limiting vacuum of 2BEA series is 33hpa and limiting vacuum of 2BEC series is 160hpa, the <4> is usually ignored).
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