Posted on Fri, 18 May 2018 08:19:04 +0000
The relationship between roots pumpcapacity and the pumping speed of the former pump depends on the volume efficiency and the pressure difference of the roots pump license. If the volume efficiency is low, the effective pumping speed of the roots pump system will decrease obviously. If the pressu...
Read MorePosted on Fri, 18 May 2018 08:18:33 +0000
Mould material is the material and technical foundation of mould manufacturing industry. The mould steel is the traditional mold material, its variety, specification and quality have a decisive effect on the performance, service life and manufacturing cycle of the mould. The die steel plate numbe...
Read MorePosted on Fri, 18 May 2018 08:17:02 +0000
Common causes of bearing fever during vacuum pump operation As the vacuum pump in high-speed operation will be formed, the rotor speed is too fast will form a bearing support rotor fever. Usually formed during the operation of the vacuum pump bearings overheating have the following reasons and va...
Read MorePosted on Fri, 18 May 2018 08:12:55 +0000
EVP Diffusion pump silicon oil use high quality base oil and imported additives deployment is a Ideal lubricating material, widely used in China’s military enterprises, display industry, lighting industry, solar industry, coating industry, refrigeration industry. Performance: Extremely low ...
Read MorePosted on Fri, 18 May 2018 08:03:18 +0000
1.The features for vacuum system of vacuum distillation plant (1) Must be able to remove steam and other various distillate discharge of steam; (2)Vacuum systems for industrial vacuum distillation equipment need to have a larger pumping capacity, can extract the gas at higher temperatures; (3)Vac...
Read MorePosted on Fri, 18 May 2018 07:58:22 +0000
Vacuum distillation is one of the distillation methods under reduced pressure. It is generally used to separate substances that are easily decomposed or polymerized when heated to boiling under atmospheric pressure or to combine with other distillation methods such as steam distillation to lower ...
Read MorePosted on Fri, 18 May 2018 07:55:45 +0000
Roots pump, also named as roots booster, its main function is increasing vacuum pressure. Single roots pump can reach 5*10-2Pa, suitable for application with working pressure ranging 103~10-1Pa. But traditional roots pump cannot be started separatly, it should be supported by mechanical pump (als...
Read MorePosted on Fri, 18 May 2018 07:49:53 +0000
EVP, as a world-famous brand in the field of liquid ring vacuum pump, is the choice of numerous customers. Then, compared to SIHI, what are EVP’s advantages? Firstly, product performance: Our 2BV can completely replace LEM series in performance, 2BE replaces LEH series and DLV replaces LPH series...
Read MorePosted on Fri, 18 May 2018 07:46:34 +0000
Molecular pump is a vacuum pump that transfer momentum to the gas molecules by high-speed rotation of the rotor to get directional speed, gas molecules will be compressed and was driven to the exhaust port. The molecular pumps are distinguished according to rotor structural characteristics as bel...
Read MorePosted on Fri, 18 May 2018 07:43:03 +0000
It often appear big noise and impeller cavitation problems during water ring vacuum pump running. Usually the reason is vacuum pump inlet pressure is too low, then resulting in rupture of the bubble. It can lead to vacuum pump’s rotor rupture and scrap when this situation become serious. When the...
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