Solution Description
Item Description
Dry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous substantial-velocity reverse rotation of the outcomes of the suction and exhaust and suction system, 2 screw wonderful dynamic balancing correction, and is supported by bearings, is set up in the pump shell, in between screw and screw has a particular gap, so the pump operate, no friction among each other, clean running, lower sounds, Doing work chamber with no lubricating oil, as a result, dry screw pump can take away a whole lot of steam and a small volume of dust gasoline instances, increased restrict vacuum, reduce electricity consumption, vitality conserving, servicing-totally free and other positive aspects.Dry Oil-Totally free Air Cooling Screw Vacuum Pump ,This is an innovative and widely utilised vacuum pump at present, It is 1 of the ideal-marketing goods of our business.
It adopts explosion-evidence motor with higher configuration, It has the traits of reduced noise, no oil and air pollution, thoroughly clean and substantial vacuum, straightforward and convenient use, procedure and upkeep, Widely utilised in numerous industries, For instance, oil and gasoline restoration, vacuum coating, biomedicine, food processing, single crystal furnace, vacuum forming, vacuum melting, digital photovoltaic, semiconductor synthesis and numerous other industries are used.
The dry oil-free of charge screw vacuum pump created by our company is divided into air cooling and h2o cooling in accordance to the extraction price, and there are numerous versions for you to decide on.
Our Advantages
There is no medium in the working chamber, which can receive a thoroughly clean vacuum.
. No clearance among rotating parts, substantial velocity procedure, modest overall volume.
There is no compression in the gasoline, suitable for extraction of coagulable gasoline.
Can get rid of a good deal of steam and a small volume of dust gas situations.
. Substantial vacuum, the final vacuum up to 1 Pa.
Screw substance is substantial energy unique material, substance density, put on resistance, secure efficiency.
No friction rotating elements, minimal sound.
. Easy composition, handy maintenance.
Broader selection of use: corrosive setting can be employed.
No oil usage, no drinking water.
Pump fuel directly discharged from the pump human body, no pollution of drinking water, no environmental force, much more hassle-free fuel recovery.
It can be composed of oil-free of charge device with Roots pump and molecular pump.
Typical Use
------Oil and gas restoration. ------Biological medicine ------Food Processing ------ Single crystal furnace
------Vacuum forming ------Vacuum flame refining ------Digital photovoltaic. ------Semiconductor synthesis
Solution Parameters
Air cooling Dry screw vacuum pump
| Type (Air cooled sequence) |
Standard parameters | ||||||||
| Pumping velocity (mthree/h) |
Presure restrict(Pa) | Power (kW) | revolution (rpm) | Inlet caliber (mm) |
outlet caliber (mm) | Pump head weight (kg) |
noise dB(A) | All round dimension (duration*width*peak) (mm) |
|
| LG-10 | ten | ≤5 | .seventy five | 2730 | KF16 | KF16 | 30 | ≤ 72 | 655x260x285 |
| LG-twenty | 20 | ≤5 | one.one | 2840 | KF25 | KF25 | 55 | ≤72 | 720x305x370 |
| LG-50 | 50 | ≤10 | 2.2 | 2850 | KF40 | KF40 | 90 | ≤75 | 920x350x420 |
| LG-70 | 70 | ≤30 | 3 | 2850 | KF40 | KF40 | a hundred and ten | ≤75 | 910x390x460 |
| LG-ninety | ninety | ≤30 | four | 2870 | KF50 | KF50 | one hundred twenty five | ≤80 | 1000x410x495 |
Water cooling Dry screw vacuum pump
| Type | Fundamental parameters | ||||||||
| Pumping pace m3/h |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber mm |
outlet caliber mm | Cooling h2o quantity L/min |
noise dB(A) | Total dimension (duration*width*top) mm |
|
| LGV-a hundred and eighty | one hundred eighty | 5 | 4 | 2900 | 40 | forty | two | < 78 | 1157x375x734 |
| LGV-250 | 250 | 5 | 5.5 | 2900 | 50 | 40 | five.5 | <78 | 1462x417x820 |
| LGV-360 | 360 | 5 | seven.five | 2900 | 50 | forty | 4 | W78 | 1462x455x820 |
| LGV-540 | 540 | five | 11 | 2900 | sixty five | 50 | 8 | W80 | 1578x543x860 |
| LGV-720 | 720 | 5 | fifteen | 2900 | 80 | sixty five | 10 | <80 | 1623x562x916 |
| LGV-1100 | 1100 | 5 | 22 | 2900 | 100 | eighty | 14 | w 80 | 1866x598x1050 |
| LG V-1800 | 1800 | 5 | 37 | 2900 | one hundred fifty | a hundred | twenty | w eighty | 2092x951 x 1150 |
Attribute Curve
Air cooling Dry screw vacuum pump
Water cooling Dry screw vacuum pump
Thorough Photos
Vacuum pumps are used in oiling machines
Standard Manager Speech
Deeply cultivate the vacuum technological innovation, and analysis,develop and manufacture the vacuum gear to supply the ideal remedy in the vacuum discipline and make the vacuum application easier.
Business Profile
ZheJiang Kaien Vacuum Engineering Co., Ltd. is a higher-tech organization integrating R & D, production and procedure of vacuum tools. The organization has strong specialized force, outstanding products and considerate following-product sales service. The product manufacturing approach is managed in rigorous accordance with IS09001 high quality program. It primarily produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, drinking water ring vacuum pump, vacuum device and other vacuum methods.
New plant plHangZhou
The company's merchandise have been for a amount of foodstuff, drugs, refrigeration, drying crops and a quantity of transformer relevant products producers for vacuum products. The goods are extensively utilised in vacuum drying and dehydration, kerosene vapor section drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum focus, oil and fuel recovery, and so on.
Higher precision machining tools
The business cooperates with a lot of scientific study establishments and universities, these kinds of as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, and so on.with faculties and universities to study and produce main systems, and owns dozens of independent mental residence patents.Our technology is foremost, the item quality is secure, the product has a good track record in China's domestic market place, is bought all above the nation, and is exported to Europe, America, Africa, the Center East and Southeast Asia,We adhering to the basic tenet of top quality, status and provider, the business requires foremost-edge technological innovation of vacuum pump as its very own duty, and wholeheartedly serves buyers of vacuum gear application in different industries with demanding working frame of mind and specialist operating type.
Product top quality wins consumer cooperation
In cargo
ISO 9001
Higher tech enterprise certification
Welcome to send your requirements, we will offer you with the best service,
offer the finest support!!!
|
US $3,000-10,000 / Piece | |
1 Piece (Min. Order) |
###
| Warranty: | One Year |
|---|---|
| Oil or Not: | Oil Free |
| Structure: | Screw |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Work Function: | Mainsuction Pump |
###
| Customization: |
Available
|
|---|
###
| Type (Air cooled series) |
Basic parameters | ||||||||
| Pumping speed (m3/h) |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber (mm) |
outlet caliber (mm) | Pump head weight (kg) |
noise dB(A) | Overall dimension (length*width*height) (mm) |
|
| LG-10 | 10 | ≤5 | 0.75 | 2730 | KF16 | KF16 | 30 | ≤ 72 | 655x260x285 |
| LG-20 | 20 | ≤5 | 1.1 | 2840 | KF25 | KF25 | 55 | ≤72 | 720x305x370 |
| LG-50 | 50 | ≤10 | 2.2 | 2850 | KF40 | KF40 | 90 | ≤75 | 920x350x420 |
| LG-70 | 70 | ≤30 | 3 | 2850 | KF40 | KF40 | 110 | ≤75 | 910x390x460 |
| LG-90 | 90 | ≤30 | 4 | 2870 | KF50 | KF50 | 125 | ≤80 | 1000x410x495 |
###
| Type | Basic parameters | ||||||||
| Pumping speed m3/h |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber mm |
outlet caliber mm | Cooling water volume L/min |
noise dB(A) | Overall dimension (length*width*height) mm |
|
| LGV-180 | 180 | 5 | 4 | 2900 | 40 | 40 | 2 | < 78 | 1157x375x734 |
| LGV-250 | 250 | 5 | 5.5 | 2900 | 50 | 40 | 5.5 | <78 | 1462x417x820 |
| LGV-360 | 360 | 5 | 7.5 | 2900 | 50 | 40 | 4 | W78 | 1462x455x820 |
| LGV-540 | 540 | 5 | 11 | 2900 | 65 | 50 | 8 | W80 | 1578x543x860 |
| LGV-720 | 720 | 5 | 15 | 2900 | 80 | 65 | 10 | <80 | 1623x562x916 |
| LGV-1100 | 1100 | 5 | 22 | 2900 | 100 | 80 | 14 | w 80 | 1866x598x1050 |
| LG V-1800 | 1800 | 5 | 37 | 2900 | 150 | 100 | 20 | w 80 | 2092x951 x 1150 |
|
US $3,000-10,000 / Piece | |
1 Piece (Min. Order) |
###
| Warranty: | One Year |
|---|---|
| Oil or Not: | Oil Free |
| Structure: | Screw |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Work Function: | Mainsuction Pump |
###
| Customization: |
Available
|
|---|
###
| Type (Air cooled series) |
Basic parameters | ||||||||
| Pumping speed (m3/h) |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber (mm) |
outlet caliber (mm) | Pump head weight (kg) |
noise dB(A) | Overall dimension (length*width*height) (mm) |
|
| LG-10 | 10 | ≤5 | 0.75 | 2730 | KF16 | KF16 | 30 | ≤ 72 | 655x260x285 |
| LG-20 | 20 | ≤5 | 1.1 | 2840 | KF25 | KF25 | 55 | ≤72 | 720x305x370 |
| LG-50 | 50 | ≤10 | 2.2 | 2850 | KF40 | KF40 | 90 | ≤75 | 920x350x420 |
| LG-70 | 70 | ≤30 | 3 | 2850 | KF40 | KF40 | 110 | ≤75 | 910x390x460 |
| LG-90 | 90 | ≤30 | 4 | 2870 | KF50 | KF50 | 125 | ≤80 | 1000x410x495 |
###
| Type | Basic parameters | ||||||||
| Pumping speed m3/h |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber mm |
outlet caliber mm | Cooling water volume L/min |
noise dB(A) | Overall dimension (length*width*height) mm |
|
| LGV-180 | 180 | 5 | 4 | 2900 | 40 | 40 | 2 | < 78 | 1157x375x734 |
| LGV-250 | 250 | 5 | 5.5 | 2900 | 50 | 40 | 5.5 | <78 | 1462x417x820 |
| LGV-360 | 360 | 5 | 7.5 | 2900 | 50 | 40 | 4 | W78 | 1462x455x820 |
| LGV-540 | 540 | 5 | 11 | 2900 | 65 | 50 | 8 | W80 | 1578x543x860 |
| LGV-720 | 720 | 5 | 15 | 2900 | 80 | 65 | 10 | <80 | 1623x562x916 |
| LGV-1100 | 1100 | 5 | 22 | 2900 | 100 | 80 | 14 | w 80 | 1866x598x1050 |
| LG V-1800 | 1800 | 5 | 37 | 2900 | 150 | 100 | 20 | w 80 | 2092x951 x 1150 |
Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its job is to create a vacuum in a volume, usually one of several. There are several types of vacuum pumps, such as root pumps, diaphragm pumps, rotary piston pumps, and self-priming centrifugal pumps.
The diaphragm pump is a dry positive displacement vacuum pump
Diaphragm pumps are a versatile type of vacuum pump. They can be installed in a variety of scenarios including container emptying, positive suction, and simultaneous fluid mixing. Their performance depends on the stiffness and durability of the diaphragm, which in turn depends on the material.
They have good performance when running in dry mode. Diaphragm pumps work very similarly to the human heart, which is why they are often used to create artificial hearts. In addition, the diaphragm pump is self-priming and has high efficiency. They are also capable of handling the most viscous liquids and are used in almost all industries.
However, this type of pump has several disadvantages. One of them is that they are difficult to restart after a power outage. Another disadvantage is that they can generate a lot of heat. Fortunately, this heat is carried away by airflow. However, this heat builds up in the multistage pump. If this happens, the diaphragm or motor may be damaged. Diaphragm pumps operating in two or more stages should be fitted with solenoid valves to maintain vacuum stability.
Diaphragm pumps are a good choice for drying processes where hygiene is important. These pumps have check valves and rubber or Teflon diaphragms. Diaphragm pumps are also ideal for high viscosity applications where shear sensitivity is important. 
Roots pumps are dry method centrifugal pumps
Roots pumps use a vane rotor pump with two counter-rotating vanes that move in opposite directions to move the gas. They are often the first choice for high-throughput process applications. Depending on the size and number of blades, they can withstand up to 10 Torr.
Centrifugal pumps have several advantages, including the ability to handle corrosive fluids and high temperatures. However, when choosing a pump, it is essential to choose a reputable manufacturer. These companies will be able to advise you on the best pump design for your needs and provide excellent after-sales support. Roots pumps can be used in a wide range of industrial applications including chemical, food, and biotechnology.
The Roots pump is a dry centrifugal pump whose geometry enables it to achieve high compression ratios. The screw rotors are synchronized by a set of timing gears that allow gas to pass in both directions and create a compressed state in the chamber. The pre-compressed gas is discharged through a pressure connection and cooled with water. Some pumps are also able to accept additional cooling gas, but this should be done with caution.
The size of the impeller plays an important role in determining the pump head. The impeller diameter determines how high the pump can lift the liquid. Impeller speed also affects the head. Since the head is proportional to the specific gravity of the liquid, the available suction pressure will be proportional to the density of the liquid. The density of water is about 1.2 kg/m3, and the suction pressure of the centrifugal pump is not enough to lift the water.
The rotary vane pump is a self-priming centrifugal pump
A rotary vane pump is a centrifugal pump with a circular pump head and a cycloid cam that supports the rotor. The rotor is close to the cam wall, and two side plates seal the rotor. Vanes in vane pumps are installed in these cavities, and the rotor rotates at high speed, pushing fluid in and out of the pump. The pump offers several advantages, including a reversible design and the ability to handle a wide variety of clean fluids.
Agknx Pumps manufactures a wide range of vane pumps that combine high performance, low cost, and easy maintenance. These pumps handle medium to high viscosity liquids up to 500 degrees Fahrenheit and 200,000 SSU.
The suction side of the rotary vane pump has a discharge port, and the valve prevents the backflow of the discharge air. When the maximum pressure is reached, the outlet valve closes to prevent the backflow of exhaust gas. The mechanical separation step separates the oil from the gas in the pump circuit and returns the remaining oil particles to the sump. The float valve then reintroduces these oil particles into the oil circuit of the pump. The gas produced is almost oil-free and can be blown out of a pipe or hose.
Rotary vane pumps are self-priming positive displacement pumps commonly used in hydraulic, aeration, and vacuum systems. Unlike gear pumps, rotary vane pumps can maintain high-pressure levels while using relatively low suction pressures. The pump is also very effective when pumping viscous or high-viscosity liquids. 
Rotary piston pumps are dry method positive displacement pumps
Rotary piston pumps are dry positive displacement pumps designed to deliver high-viscosity fluids. They are capable of pumping a variety of liquids and can run dry without damaging the liquid. Rotary piston pumps are available in a variety of designs. Some are single shafts, some are two shafts and four bearings.
Positive displacement pumps operate slower than centrifugal pumps. This feature makes the positive displacement pump more sensitive to wear. Piston and plunger reciprocating pumps are particularly prone to wear. For more demanding applications, progressive cavity, diaphragm or lobe pumps may be a better choice.
Positive displacement pumps are typically used to pump high-viscosity fluids. This is because the pump relies on a mechanical seal between the rotating elements and the pump casing. As a result, when fluids have low viscosity, their performance is limited. Additionally, low viscosity fluids can cause valve slippage.
These pumps have a piston/plunger arrangement using stainless steel rotors. Piston/piston pumps have two cavities on the suction side. The fluid then flows from one chamber to the other through a helical motion. This results in very low shear and pulsation rates. The pump is usually installed in a cylindrical housing.
Rotary vane pump corrosion resistance
Rotary vane vacuum pumps are designed for use in a variety of industries. They feature plasma-treated corrosion-resistant parts and anti-suck-back valves to help reduce the number of corrosive vapors entering the pump. These pumps are commonly used in freeze dryers, vacuum ovens, and degassing processes. The high flow rates they provide in their working vacuum allow them to speed up processes and reduce the time it takes to run them. Plus, they have energy-efficient motors and silent volume. <br/While rotary vane vacuum pumps are relatively corrosion resistant, they should not be used for aggressive chemicals. For these chemicals, the most suitable pump is the chemical mixing pump, which combines two types of pumps to improve corrosion resistance. If the application requires a more powerful pump, a progressive cavity pump (eg VACUU*PURE 10C) is suitable.
Oil seals used in rotary vane pumps are important to pump performance. The oil seal prevents corrosion of the aluminum parts of the rotary vane pump and prolongs the service life. Most rotary vane vacuum pumps have a standard set of components, although each component may have different oil seals.
Rotary vane vacuum pumps are the most common type of positive displacement pump. They provide quiet operation and long service life. They are also reliable and inexpensive and can be used in a variety of applications. 
Roots pumps are primarily used as a vacuum booster
Root vacuum pumps are mainly used as vacuum boosters in industrial applications. They need a thorough understanding of operating principles and proper maintenance to function properly. This course is an introduction to Roots vacuum pumps, covering topics such as pump principles, multi-stage pumps, temperature effects, gas cooling, and maintenance.
Roots pumps have many advantages, including compact and quiet operation. They do not generate particles and have a long service life. They also don't require oil and have a small footprint. However, Roots pumps have several disadvantages, including relatively high maintenance costs and low pumping speeds near atmospheric pressure.
Root vacuum pumps are often used with rotary vane vacuum pumps. They work on the same principle, the air enters a conveying unit formed by two rolling pistons in the housing. The piston heads are separated from each other, and the air passes through the unit without being reduced until it is discharged. When the air in the next unit reaches a higher absolute pressure, it is expelled from the last unit.
Roots pumps can be classified as sheathed or sealed. Roots pumps with sealed motors are suitable for pumping toxic gases. They have less clearance between the stator and motor rotor and have a sealed tank.
editor by czh 2023-01-14