EVP 150—Reliable and durable small oil-free scroll vacuum pump

Posted 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...

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liquid ring vacuum pump pumping speed

Posted 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...

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Rotary piston vacuum pump

Posted 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...

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Difference between CF, KF, and ISO Flanges

Posted 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. ...

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EVP liquid ring vacuum pump classification

Posted 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...

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2BV liquid ring vacuum pump characteristic

Posted 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...

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Double stage water ring pump

Posted 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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Advantages & Disadvantages of dry screw vacuum pump

Posted on Fri, 18 May 2018 08:31:39 +0000

Dry screw vacuum pump is mainly use a pair of screws, which characteristics is calibrating or balancing the dynamic balance through its two screws, supported by the bearing, installed in the pump housing, there is a certain gap between each screw to avoid fricting between each other during workin...

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Water Ring pump used for vacuum Rotary Drum filter

Posted on Fri, 18 May 2018 08:30:20 +0000

Part 1 : Working principle of vacuum drum filter as shown in the figure: In each rotation of the drum, it through four functional zones. Such as the filter cake forming zone, sucking dry zone, back blowing zone and the rest zone. The resting zone mainly function is buffer between positive pressu...

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Analysis of Vacuum Distillation in Metallurgy

Posted on Fri, 18 May 2018 08:27:47 +0000

Vacuum distillation in metallurgy is mainly reflected in the vacuum smelting of non-ferrous metal materials, with a short process, less consumption, higher metal recovery, and many advantages, like non-waste (waste water, waste residue, waste gas), no pollution to the environment, little processi...

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