Posted on Fri, 18 May 2018 08:48:02 +0000
Operation Procedure of Diffusion Pump System 1.Connect primary vacuum pump, roots pump, diffusion pump, pilot valve of electromagnetic pressure difference valve, cylinder solenoid valve of vacuum valves, power and gas source of magnetic switch. 2.Connect vacuum pumps and cooling water of all wate...
Read MorePosted on Fri, 18 May 2018 08:46:31 +0000
Important factor for roots pump selection: the compression ratio of zero airflow Roots pump has been always used as the main pump in vacuum system for its large capacity and stable performance. While in roots pump selection process, its capacity, ultimate vacuum, and pressure difference h...
Read MorePosted on Fri, 18 May 2018 08:44:52 +0000
The theory and function of vacuum pump adopted on water chamber of condenser on power plant The target and function of vacuum pump on water chamber: A)Before the system started and the head of water pump (for water circulation) is less than the request of condenser’s water chamber, the vacuum pum...
Read MorePosted on Fri, 18 May 2018 08:44:05 +0000
EVP 150 oil-free scroll vacuum pump provide an effective solution for concerned questions ,such as, pump performance, pump size and environmental issues analytical instruments and medical device industries ,etc. 20 years in the widely used air conditioners, automobiles, refrigerators, machinery m...
Read MorePosted on Fri, 18 May 2018 08:43:14 +0000
What is liquid ring vacuum pump Liquid-ring vacuum pump is also called water-ring vacuum pump. The displacement impeller rotates in the pump cavity to make the chamber volume change periodically to realize the pumping vacuum pump. Its workshop is made up of rotary liquid ring and impeller. Its st...
Read MorePosted on Fri, 18 May 2018 08:42:43 +0000
Analysis of rotary piston vacuum pump structure In the past of decades years, our company has conducted many new explorations, trials and researches on the overall structure of the slide valve pump and the structure of the main components. It has achieved very good results, has a certain practica...
Read MorePosted on Fri, 18 May 2018 08:39:03 +0000
Flange connections are widely used in the connection of vacuum units, such as vacuum pumps and pipes, valves, cold traps. Commonly, there are three types of them: CF, KF and ISO. What are differences between them? 1.CF flange: CF is the abbreviation for Conflat Flange. It is a static metal seal. ...
Read MorePosted on Fri, 18 May 2018 08:37:36 +0000
Shanghai EVP vacuum produce kinds of liquid ring vacuum pumps. In the following we classify liquid ring vacuum pumps. 1, single-stage single-acting liquid ring vacuum pump: Single-stage single-acting liquid ring vacuum pump, means that only a single-stage impeller, single action refers per rotati...
Read MorePosted on Fri, 18 May 2018 08:36:24 +0000
EVP 2BV VS SIHI LEM/LELC 2BV structure and characteristic 1.Compared with SIHI LEMA, we have more big model 2BV5-161 and 2BV6-161, but LEM not available. 2. more material version to suit different working environment; A.Cast iron material, stainless steel 304 impeller B.All stainless steel 304 m...
Read MorePosted on Fri, 18 May 2018 08:34:44 +0000
DLV double stage water ring pump: The new type dual stage water ring pump can complete replace the SIHI LPH series pump from the pump performance, power and outline dimension. Even though our DLV pump parts can replace the SIHI pump parts. Such as the impeller as follow: Our pump impeller have n...
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