Specialized silicone oil of Diffusion pump

Posted 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 ...

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Vacuum system of vacuum distillation plant

Posted 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...

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EVP Vacuum Distillation System: From CNSL to Cardanol

Posted 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 ...

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Ultimate Pressure of Roots Pump System

Posted 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...

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EVP VS SIHI in Liquid Ring Vacuum Pump

Posted on Fri, 18 May 2018 07:49:53 +0000

SIHI, 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 SIHI LEM series in performance, 2BE replaces LEH series and DLV replaces LPH ...

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Feature of oil lubrication ,grease lubrication and magnetic levitation molecular pump

Posted 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...

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Vacuum pump and air ejector vacumm system advantage

Posted 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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Difference between liquid ring vacuum pump and compressor

Posted on Fri, 18 May 2018 07:37:36 +0000

The liquid ring vacuum pump and liquid ring compressor share same working principle, but their basic form and structure differs. The difference can be difined as following five aspects: 1. different circumferential velocity range of its mpeller The impeller circumferential velocity is mainly dete...

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Classic Vacuum System

Posted on Fri, 18 May 2018 07:33:34 +0000

Vacuum system can be divided into low pressure vacuum system, high pressure vacuum system and ultra-high vacuum system according to the vacuum degree. Based on the properties of structural materials, it can be divided into glass system and metal system. According to the flow of gas in the system ...

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Solution for Liquid Ring Vacuum Pump Working on Its Ultimate Pressure

Posted on Fri, 18 May 2018 07:26:28 +0000

Liquid ring vacuum pump can achieve 33mbar only, when the working vacuum is near to its ultimate vacuum, there will be cavitation. Simultaneously,liquid ring vacuum pump’s suction capacity decreased. To solve this problem, user can add an air ejector on liquid ring vacuum pump’s sucti...

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