China high quality Jzj2b Roots Vacuum Pump with Compressor, Screwpumps, Oil-Less Piston, Rotaryvane2be2sk2BV vacuum pump design

Product Description

COMPANY SHOW:

20 Years
   ZiBoZhuoXin Pump Industry co,.Ltd is located in a century industrial city known as the Pump Capital of China—HangZhou city, ZheJiang Province.  Has over 20 years’ experience of manufacturing vacuum pumps and 10+ years’ experience of exporting.
Various products
   We can suppply all type of vacuum pumps and spare parts in China, 2BV/2BEA/2BEC/SK/2SK/JZJ2B/ etc, and other industrial machine;
24 Hours
   Please do not hestiate to contact us if have any urgent matters,each of your inquiries will be taken into account and get our response within 24 hours.

Product Main feature:
JZJ2B Roots series water ring unit is consists of ZJ type roots pump as the main pump,2BV/2BE series of water ring pump or Roots-water ring unit as a fore pump pumping unit. It can be used to pumping gas in addition to, can also aspirate containing water, compared to organic solvent or a small amount of dust gas. And general mechanical vacuum pump, not afraid of oil pollution, not afraid of water, gas and dust, and compared with the general water ring vacuum pump, with vacuum high and pump speed characteristics under high vacuum condition.
Advantage:
Comparing with common liquid ring vacuum pump,the capacity to remain high pumping speed under high or ultimate vacuum degree becomes its main advantage. Except for normal gas suction, this system can also pump special gas with small amount of vapor or dust. Additionally, this system is free from oil pollution, as well as vapor and dust.
Since the 2BVC type of liquid ring pump has been adopted as its fore pump, and it is compact-designed with no air leakage and high protection level. Besides,our 2BV type is more anti corrosive than 2SKC type, because all 2BVC impellers are SS304 material.
Another note, the fore pump can be designed as a closed circulation system so to reduce the environment pollution greatly.
JZJ2B Series Roots Water Ring Vacuum Unit Technical Specifications:

Unit type pump type suction speed
(L/s)
Max. suction pressure(Pa) Limited vacuum (Pa) abs Total power
(kW)
main pump fore pump water ring oil ring
JZJ2B15-2 ZJ15 2BVC2060 15 8000   
 
 
267
  
 
 
80
1.65
JZJ2B30-2 ZJ30 2BVC2061 30 8000 2.25
JZJ2B30-1 ZJ30 2BVC5110 30 12000 4.75
JZJ2B70-2 ZJ70 2BVC5110 70 6000 5.5
JZJ2B70-1 ZJ70 2BVC5111 70 12000 7
JZJ2B150-2A ZJ150 2BVC5111 150 6000 8.5
JZJ2B150-2B ZJ150 2BVC5121 150 8000 10.5
JZJ2B150-1 ZJ150 2BVC5131 150 10000 14
JZJ2B300-2A ZJ300 2BVC5131 300 4000 15
JZJ2B300-2B ZJ300 2BVC5161 300 5000 19
JZJ2B300-1 ZJ300 2BEA 202 300 10000 26
JZJ2B600-2A ZJ600 2BEA 202 600 4000 29.5
JZJ2B600-2B ZJ600 2BEA 203 600 5000 44.5
JZJ2B600-1 ZJ600 2BEA 252 600 12000 52.5
JZJ2B1200-2A ZJ1200 2BEA 252 1200 2500 60
JZJ2B1200-2B ZJ1200 2BEA 253 1200 4000` 90
JZJ2B1200-1 ZJ1200 2BEA 303 1200 8000 125
JZJ2B2500-2 ZJ2500 2BEA 303 2500 3000 132
JZJ2B30-2.1 ZJ30 ZJ15/2BVC2061 30 8000   
25
  
0.8
2.8
JZJ2B70-2.1 ZJ70 ZJ30/2BVC5110 70 6000 6.25
JZJ2B150-2.1 ZJ150 ZJ70/2BVC5111 150 6000 10
JZJ2B150-4.1 ZJ150 ZJ30/2BVC5110 150 3000 7.75
JZJ2B300-2.1 ZJ300 ZJ150/2BVC5131 300 5000 18
JZJ2B300-2.2 ZJ300 ZJ150/2BVC5121 300 4000 14.5
JZJ2B300-4.1 ZJ300 ZJ70/2BVC5111 300 2000 11
JZJ2B600-4.1 ZJ600 ZJ150/2BVC5131 600 1500 21.5
JZJ2B600-2.2 ZJ600 ZJ300/2BVC5161 600 2000 26.5
JZJ2B1200-4.2 ZJ1200 ZJ300/2BVC5161 1200 1000 34
JZJ2B1200-4.1 ZJ1200 ZJ1200/2BEA 202 1200 1200 41
JZJ2B1200-2.2 ZJ1200 ZJ600/2BEA 203 1200 2500 59.5
JZJ2B1200-2.1 ZJ1200 ZJ600/2BEA 252 1200 3000 67.5
JZJ2B2500-4.1 ZJ2500 ZJ600/2BEA 252 2500 1000 74.5
JZJ2B30-2.1.1 ZJ30 ZJ15/ZJ15/2BVC2061 30 8000  0.5  0.05 3.35
JZJ2B70-2.2.1 ZJ70 ZJ30/ZJ15/2BVC2061 70 4000 4.3
JZJ2B70-2.1.1 ZJ70 ZJ30/ZJ30/2BVC5110 70 6000 7
JZJ2B150-2.2.1 ZJ150 ZJ70/ZJ30/2BVC5110 150 3000 9.25
JZJ2B300-2.2.1 ZJ300 ZJ150/ZJ70/2BVC5111 300 3000 14
JZJ2B300-4.2.1 ZJ300 ZJ70/ZJ30/2BVC5110 300 1200 10.25
JZJ2B600-2.2.1 ZJ600 ZJ300/ZJ150/2BVC5131 600 2500 25.5
JZJ2B600-4.2.1 ZJ600 ZJ150/ZJ70/2BVC5111 600 1200 17.5
JZJ2B1200-4.2.1 ZJ1200 ZJ300/ZJ150/2BVC5131 1200 1000 33
JZJ2B2500-4.2.1 ZJ2500 ZJ600/ZJ300/2BEA 202 2500 1000 55.5
JZJ2B5000-4.2.1 ZJ5000 ZJ1200/ZJ600/2BEA 252 5000 800 104.5
JZJ2B10000-4.2.1 ZJ10000 ZJ2500/ZJ1200/2BEA 303 10000 800 202

Note:
Above are recommended models as per national standards. Since the suction pressure will be changed as per distinguished working condition, before model selection, the verifying calculation as per actual suction and discharging process, condensation situation of condensable gas, changing time for suction pressure is required. Or referring to the clients current system is also workable.
Please refer to instructions of each pump for technical parameter checking.
The max suction pressure means the pressure under which the main pump can work. Over this degree, the main pump will be result to overloaded.
FAQ

Q: What’s your MOQ?
A: One set;

Q: What are the causes of no flow or insufficient flow of centrifugal pump?
A: There is air in the suction pipe or pump, which needs to be discharged. Air leakage is found in the suction pipeline, and the leakage is repaired. If the valve of suction line or discharge line is closed, relevant valve shall be opened. If the suction height is too high, recalculate the installation height. The suction line is too small or blocked.

Q: How to resist cavitation in centrifugal pump?
A: Improve the structure design from the suction to the impeller of the centrifugal pump;Adopt double stage suction impeller and use anti-cavitation material;

Q:What is the function of rubber ball in water ring vacuum pump?
A: Rubber ball in water ring vacuum pump, the correct name is called rubber ball valve. Its role is to eliminate the pump equipment in the operation process of the phenomenon of over compression or insufficient compression.

Q:How long is warranty?
A:One year formain construction warranty.

Q:How can I pay for my items? What is the payment you can provide
A:Usually by T/T, 30%-50% deposit payment once PI/Contract confirmed, then the remaining balance will be paid after inspection and before shipment via T/T or L/C;

welcome client from home and abroad to contact us for future cooperation.
 
Detail size drawing and install drawing please contact our sales in charge to get;

key:nash/simense/refurish/vacuum pumps/HangZhou CZPT pump/

Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump
Working Conditions: Wet
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.

Forward centrifugal pump

Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

Self-priming centrifugal pump

Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

Screw Pump

The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
Vacuum Pump

Diaphragm Pump

Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

Atmospheric pressure is a key factor in a vacuum pump system

Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
Vacuum Pump

The screw pump is less efficient in pumping gases with smaller molecular weight

Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

China high quality Jzj2b Roots Vacuum Pump with Compressor, Screwpumps, Oil-Less Piston, Rotaryvane2be2sk2BV   vacuum pump design		China high quality Jzj2b Roots Vacuum Pump with Compressor, Screwpumps, Oil-Less Piston, Rotaryvane2be2sk2BV   vacuum pump design
editor by CX 2023-08-29