Product Description

SHZ-95B vertical circulating water vacuum pump takes circulating water as working fluid, it’s a new type vacuum
pump who is making use of jet flow principle to generate negative pressure. It is not only a kind of vacuum pumping
device, but also CZPT to provide circulating cooling water to reaction equipment. It has features of no oil, no pollution,
low noise, anti-corrosion and flexible. Adopt anti-corrosion movement or stainless steel movement, vertical machine
and multiple purposes.

• Oil free, corrosion resistant, reliable
• All major valves and parts made of PTFE, ideal for chemical-related operation
• No oil changes, no cold trap required for water/ alcohol solutions
• Easy to maintain for laboratory environment
• Designed to work with rotary evaporators, vacuum filtration, etc
• High quality anti-corrosion shell; newly-developed 5 taps can work separately or together with 5-way pipe (optional)
  to increase the extraction capacity and match working withlarge rotary evaporators and reactors
• Cooper jet and PP triple-valve, check valve and suction mouth
• More extraction capacity compared with desktop vacuum pump
• Flexible moving around with steering wheels
• Eligible for extracting corrosive gas

HangZhou Well-known Instrument & Equipment Co.,Ltd, is a famous manufacturer of Lab equipment located in the central
China.The main products include rotary evaporator , glass reactor, water circulating vacuum pump, low temp cooling liquid
circulating pump and so on. So far, our products have been sold all over Asia, Europe and America, and covered most of
laboratories in China. We have become 1 of the most popular and trustworthy brands.

Though our foreign trade is not for long, we do have a history of more than 30 years of our domestic trade. To assure the
good quality & good service is our consistent aim.

We welcome new and old customers from all over the world to contact us for future business relationships and
achieving mutual success!!

Packing
-The rotary evaporator glass parts will be wrapped with foam, then put into the carton, the mainbody portion will be packed
  in wooden cases;
-Both neutral and customized packaging can be available.

Shipping
-We can ship the goods to you by International Express such as DHL, UPS, TNT, EMS and so on, you can also choose the
 appropriate 1 based on your timeline and budget. Besides, you can choose to use your own shipping agent.

1. The period, scope and condition of the warranty.

(1)We offer 1 years warranty on the date of shipping from China. During the warranty time, because of manufacturing&quality
    problem, we offer replacement, maintenance service.

(2)The damage caused by the transportation problem shall be borne by the seller.

2. How to solve the problem of your equipment?

Please send us email of the problem, pictures or a small video will be much better. we will find the 
problem and tell you how to solve it. If there is a broken, we will send you a new part, and it is free in the warranty period.

3.How to shipping the replacement parts?

We will according the actual situation to choose the suitable shipping ways. For small parts we shippin by Express.

4. Could you do customized for us?

We are a manufacturer that can provide all kinds of customized services.

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Disadvantages of using a vacuum pump

A vacuum pump is a device that pulls gas molecules out of a volume and leaves a partial vacuum. Its main function is to create a relative vacuum within a given volume. There are several types of vacuum pumps. Some of them are better suited for specific purposes than others. However, there are some disadvantages to using a vacuum pump.

Application of vacuum pump

Vacuum pumps are invaluable tools in many industrial and scientific processes. They are often used to move gas and other harmful substances and to clear clogged drains. They are also used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle or the power hydraulic component of an aircraft. No matter how they are used, they should fit the application.
The principle of a vacuum pump is to draw gas from a sealed chamber to create a partial vacuum. Over the years, vacuum pump technology has evolved from its original beginnings to its current form. Today, there are many types of vacuum pumps, including rotary vane pumps, momentum transfer pumps, and regeneration pumps.
The semiconductor industry is a major user of vacuum pumps. Among other applications, these pumps are commonly used for mounting circuit boards, securing components, blowing and jetting, and pumping. The use of renewable resources has paved the way for widespread semiconductor production, where vacuum pumps are crucial. This manufacturing shift is expected to boost vacuum pump sales across Europe.

The most common types of vacuum pumps are positive displacement and rotary vane pumps. Positive displacement pumps are most effective for rough vacuum applications and are usually paired with momentum transfer pumps. These pumps are used in pharmaceutical, food and medical processes. They are also used in diesel engines, hydraulic brakes and sewage systems.
Positive displacement pumps are used to create low vacuum conditions and create a partial vacuum. These pumps create lower air pressure by enlarging the chamber and allowing gas to flow into the chamber. The air in the cavity is then vented to the atmosphere. Alternatively, momentum transfer pumps, also known as molecular pumps, use high-speed rotating blades to create dense fluids.

Their drawbacks

Vacuum pumps are useful in industrial applications. However, they are not perfect and have some drawbacks. One of them is that their output is limited by the vacuum hose. Vacuum hoses are the bottleneck for vacuum pump performance and evacuation rates. The hose must be kept free of water and organic matter to ensure the highest possible vacuum.
Dry vacuum pumps do not have these problems. They may be more cost-effective but will increase maintenance costs. Water consumption is another disadvantage. When pond water is used, the pump puts additional pressure on the treatment facility. Additionally, contaminants from the gas can become trapped in the water, shortening the life of the pump.
Another disadvantage of vacuum pumps is their limited operating time at low vacuum. Therefore, they are only suitable for extremely high vacuum levels. Diaphragm pumps are another option for industrial applications. They have a sealed fluid chamber that allows a moderate vacuum. They also feature short strokes and a low compression ratio, making them quieter than their reciprocating counterparts.
Vacuum pumps are used in many industrial and scientific processes. They can be used to transport hazardous materials or clear clogged drains. They are also used in rear doors and dump tanks. Certain types of vacuum pumps can cause fluid blockages, which can be harmful. The vacuum pump should also be well suited to the fluid in it to avoid contamination.
Another disadvantage is the lack of proper vacuum system testing equipment. Mechanics often underestimate the importance of a properly functioning vacuum system. Most stores lack the equipment needed for proper troubleshooting. Typically, mechanics rely on the cockpit vacuum gauge to determine if the pump is working properly.
Some vacuum pumps are capable of providing constant vacuum. These pumps are also capable of eliminating odors and spills. However, these advantages are outweighed by some disadvantages of vacuum pumps.

editor by czh 2022-11-27