External Factors for Vacuum Pump System Broken

Posted on Fri, 18 May 2018 07:01:02 +0000

Vacuum pump system maybe breakdown by some external factors if we have no pay attention on it during operation. So we should learn more about these external factors that can affect vacuum pump system. 1、Effect of steam pressure The relatively large factor that affecting the vacuum pump system is...

+ Continue reading

vacuum pump maintenance interval

Posted on Fri, 18 May 2018 07:00:25 +0000

Vacuum pump maintenance schedule Vacuum pump maintenance  interval  is decided by its working environment.  below items is suggested to check at regular interval: 1. Daily maintenance items: Check the level and color of vacuum pump oil. 2. Weekly maintenance : Check if the vacuum pump is leaking,...

+ Continue reading

100% replacement Siemens Liquid ring vacuum pump

Posted on Fri, 18 May 2018 06:59:54 +0000

All our pumps are interchangeable with Siemens pump both in dimension and performance. Most our client are using our pump to replace their existed Siemens and Nash pump. Some clients are also buying our spare parts for original Siemens pump repairment. As a pioneer in vacuum pump field, EVP compa...

+ Continue reading

How to install water ring vacuum pump

Posted on Fri, 18 May 2018 06:59:24 +0000

The proper installation of a water ring vacuum pump is critical to its subsequent operation and maintenance. As with any pump, care should be taken in unpacking the pump so as not to damage or misalign the assembly. For pump and motor units mounted on a baseplate, the unit should be lifted by the...

+ Continue reading

About the 2BV water ring pumps knowledge

Posted on Fri, 18 May 2018 06:58:49 +0000

Part1    What’s the 2BV water ring vacuum pump Water ring vacuum pump namely water pump, 2BV water ring vacuum pump is a low pressure vacuum pump, its ultimate vacuum pressure is 2000 ~ 4000Pa, the 2BV water pump and roots pump can make the water roots vacuum system, this system pressure can up t...

+ Continue reading

rotary vane vacuum pump with low operating temperature

Posted on Fri, 18 May 2018 06:57:53 +0000

Rotary vane vacuum pump with low operating temperature congratulation EVP engineer team! EVP SV020 rotary vane vacuum pump’s temperature has been lowered by 10~20℃ through technical improvement. according to test, SV020’s max. temperature is only  75~85℃ after continuously running 4 h...

+ Continue reading


Posted on Fri, 18 May 2018 06:57:24 +0000

ZJ&ZJP&ZJL&ZJQ Roots vacuum pump Pumping principal:effect through two”8” shaped rotors in opposite direction to reach suction and exhaust. ZJ&ZJP: ZJ series roots pump without bypass valve but ZJP with bypass valves(Bypass valve: recerse and auto avoid overload. ZJL: pumping speed...

+ Continue reading

DLV two stages liquid ring vacuum pump

Posted on Fri, 18 May 2018 06:55:08 +0000

Compared to one stage liquid ring vacuum pump, DLV series two stages liquid ring vacuum pump is with better performance and good vacuum. In the future, two stages lqiudi ring vacuum pump will be the mainsteam of market.   DLV series two stages water ring vacuum pump is our new design based o...

+ Continue reading

Means of Sealing for Liquid Ring Vacuum Pump

Posted on Fri, 18 May 2018 06:53:56 +0000

Liquid ring vacuum pump normally has two kinds of sealing means: gland packing, mechanical seal.   Gland packing is an ideal choice to pump air (nontoxic), for its cost-efficiency, easy to maintain or repair, and posseses a simple structure. Becuase its sealing performance is not very ideal,...

+ Continue reading

importance of using standard vacuum pump oil

Posted on Fri, 18 May 2018 06:51:26 +0000

importance of using standard vacuum pump oil 1) Vacuum pump special oil has a certain viscosity The viscosity of oil determines its sealing performance. Watery oil would result to bad sealing performance; while if oil with high viscosity, it would increase friction between pump blade and cylinder...

+ Continue reading