China Professional 30-Spen Industrial Heavy Duty Hydraulic Water Ring Screw Vacuum Pump a/c vacuum pump

Product Description


Product Description

The sealing oil vacuum pump is mainly used in the sealing oil system of steam turbines and generators, with the ability to efficiently handle condensate steam and gas loads. The main function of a vacuum pump in a sealing oil system is to extract gas and air from the system to maintain the vacuum inside the system and ensure the flow and sealing performance of lubricating oil.
The generator sealed oil vacuum pump has high performance and reliability, and is suitable for various working conditions. It adopts advanced sealing technology to ensure the lowest leakage rate of sealing oil. In addition, its compact design and efficient performance make this vacuum pump an ideal choice for power plants.


 Product Features of Vacuum Pump 

  • Safe and reliable: The pump has fully considered safety during the design process, ensuring that there will be no malfunctions under normal usage conditions.
  • Low noise: The pump has low noise during operation, which is beneficial for reducing production environment noise and improving production comfort.
  • Stable quality: The pump is made of high-quality materials, ensuring that the pump body, rotor and other components have a long service life.
  • Widely used: Pumps are suitable for various industries, such as chemical, pharmaceutical, food, semiconductor, and other fields.
  • Easy to match: The pump has a variety of sizes and can be easily used with other vacuum equipment, compressed air equipment, etc.
  • Energy conservation and environmental protection: The pump has a compact structure, high efficiency, and low energy consumption, which is beneficial for energy conservation and reducing environmental pollution.
  • Long term operation: Under reasonable usage conditions, the pump can achieve long-term stable operation and meet continuous production needs.



 Application of Vacuum Pump 
1. Vacuum distillation, vacuum drying, vacuum concentration, and other processes in the chemical industry.
2. Operations such as vacuum drying and evaporation concentration in the pharmaceutical industry.
3. Applications such as vacuum packaging, vacuum filling, vacuum drying, and vacuum freezing in the food industry.
4. Electronic device manufacturing and packaging process.
5. The fields of semiconductors and solar cells.


Detailed Photos


Related Products

Find more spare parts for generator sealing oil pumps:

MECHANICAL SEAL-N.D.E L270/102 vacuum pump oil filter cap P-1259
MECHANICAL SEAL-DE L270/116 vacuum pump sealing gasket P-1264
mechanical seal L270/91 vacuum pump filter P-1278
MECHANICAL SEAL N.D.E L270 vacuum pump Valve bolt P-1433
vacuum pump filter spring P-2037 vacuum pump valve box P-1758
vacuum pump sealing P-2332 vacuum pump mechanical seal P-2811
vacuum pump bearing P-2335 vacuum pump valve plate P-537
vacuum pump vacuum pump seperator P-2402 vacuum pump valve spring P-540

Yoyik offers different types of Hydraulic pumps for industrial users:

best vacuum pump for vacuum bagging P-1825B
oil vacuum pump working principle P-1759
vacuum pump spare parts Gear ring of gear coupling P-1761
vacuum pump for sale P-1803
vacuum pump components Coml
best ac vacuum pump N-625
vacuum pump lock nut 30-WS P-2811
sealing oil Vacuum pump unit P-1825
sealing oil water-ring vacuum pump mechanical seal SW-30
vacuum transfer pump SK-831
vacuum pump vacuum pump seperator 30SPEN
vacuum pump lock nut M-206
vacuum pump filter Z1201126
vacuum pump working principle M-209
vacuum cylinder pump ZS-185
vacuum pump spare parts FLASH BOARD P-1836
vacuum pump working KZ/100WS

Packaging & Shipping

          Standard & CZPT packaging ensures your goods safety.

          Various professional packages at your choice

         Multiple choice of reliable and cost-effective shipping methods available.


Company Profile


HangZhou Yoyik Engineering Co., Ltd is located in HangZhou, ZheJiang , China’s heavy equipment base, was founded in 2004. The company is a professional power plant spare parts manufacturer and supplier. Our products are applicable for many thermal power plants, hydropower plants, metallurgic industrial power plant, cement plant power house, aluminum plant power house, and coal mill power plants.

From advanced precision electric elements and components to highly-customized metal items, you can find all the needed for a power plant from Yoyik.

Yoyik is the exclusive agent of W.M. Nugent CO Inc for selling Nugent filter elements and filtration system products in China. The company also has great advantages in of many hydraulic products, including pumps, valves, sealing materials, etc. the brands include Eaton, Vickers, Moog, star, copaltite, temp-tite, 707, etc.


Our Advantages






Yoyik offers wide range of spare parts for customers in different industries:



√ Model Selection
Before purchasing, please ensure that the model specifications you provide are complete or that the drawings have been drawn so that you can provide timely and accurate quotations.

√ Quality Assurance
We promise to provide high-quality products and after-sales service. If there are any quality issues, please contact us promptly.

√ Secure Transactions
We sell on MIC, provide a secure and reliable trading environment, and accept multiple payment methods to facilitate your purchase.


– FAQ –

– Are you trading company or manufacturer?
We are factory located in HangZhou, China.

– How long is your delivery time?
Generally it is 2-5 days if the goods are in stock. Or it is 7-21 days if the goods are not in stock, it is according to quantity.

– Do you provide samples? Is it free or extra?
Sorry we do not offer samples.

– What price terms do you accept?
Our company can accept all trading manners, eg. EXW, FOB, CIF etc

– What payment terms do you accept?
We accept T/T.

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After-sales Service: Online Support
Warranty: 6 Months
Oil or Not: Oil


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

Vacuum Pump

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.
Vacuum Pump
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.
Vacuum Pump

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.

China Professional 30-Spen Industrial Heavy Duty Hydraulic Water Ring Screw Vacuum Pump   a/c vacuum pump		China Professional 30-Spen Industrial Heavy Duty Hydraulic Water Ring Screw Vacuum Pump   a/c vacuum pump
editor by Dream 2024-05-07

vacuum pump

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