China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump with Great quality

Product Description

Product Description

Rexroth A11VLO equivalent hydraulic oil axial piston pump

Variable axial piston pump of swash plate design for hydrostatic drives in open circuit hydraulic system

Rexroth series A11VLO28, 40, 60, 75, 85, 95, 115, 130, 145, 190, 260

All of CHINAMFG products are completely equivalent and interchangable with the original.

Features 

 

1. Variable pump with axial piston rotary group in swash plate design for hydrostatic drives in open circuit.

2. The flow is proportional to the drive speed and displacement.

3. The flow can be infinitely varied by adjusting the swash plate angle.

4. 2 drain ports

5. Excellent suction performance

6. Low noise level

7. Long service life

8. Favorable power/weight ratio

9. Versatile controller range

11. Short control time

12. The through drive is suitable for adding gear pumps and axial piston pumps up to the same size, i.e., 100% through drive.

13. Suitable for operation with mineral oil and HF hydraulic fluids.

Axial piston unit A11V
Charge pump (impeller) Blank:without charge pump (no code)
L:with charge pump
Operation O: Pump, open circuit
Displacement 28  40  60  75  85  95  115  130  145  190  260
Control unit LR, LR.C, LR3, LG1, LG2, DR, DRS, DRL, DH1, DH2, DH.D, DH.G, EP1, EP2, DE.D, EP.G, etc
Product Series 1
Index 0:28-130   1:145  190  260
Direction of rotation R: Clockwise  L: Counter clockwise
Seals N: NBR  shaft seal ring in FKM
Shaft End Z   P   S   T
Mounting Flange C: SAE J744 – 2-hole    D:SAE J744 – 4-hole  
G:SAE J617 2) (SAE 3)
Service Ports 12 pressure and suction port SAE, at side, opposite side
Through drive N00 K01 K52 K02 K04 K79 K07 K24 K80
K61 K86 K17 K81 K82 K83 K72 K84 K67
Swivel angle indicator Blank   V   R
Connector for solenoids P
Standard / special version -K    -S    -SK
Rated Pressure 35MPa
Max Pressure 40MPa

 

Detailed Photos

 

Ordering Codes

Installation sizes

ROTARY GROUPS FOR PISTON PUMP
Rexroth A4V, A4VSO, A4VG, A6VM, A7VO, A8VO, A10VSO, A11V, A11VO,  A11VL  
Cat  Cat215/225/235/245 & motor grade 12G/14G/16G Cat320, Cat320C, SPK 10/10, SPV10/10 
Komatsue HPV35/55/90/160 (PC60/120/200/300-3/5) HPV95/132 (PC60/200/220/300- 6/7) KMF90/160 KPV 90/105 (PC200-2)
Sauer PV18/20/21/22/23/24/25/26/27 PV90- 030//042/055/075/100/130/180 /250 PV6/119 PV42-48 MPVO 46 MFTO 35                          
Hitachi HPV116/102/105/145 (EX200-1,EX200-5,EX300-1/2/3) HPV091 DW/EW (EX200/220-2/3) PVD-2B 34/36/40/42
Kawasaki K3V 45/63/112/140/180 DT&BDT KVC 925/930/932 NV 45/50/60/64/70/80/84/90/111/120/137/172/210/237/270
  NV 237/270, NVK45 M2X 63/96/120/146/150/170/210 M5X 130/160/180 GM 8/9/10/18/20/24/28/35/38VL 
Vickers  PVB 5/6/10/15/20/29/45 PVH 57/74/98/131/140 PVE 19/21
Linde HPR 100, BPR 80/140/186 BMF 35/55/75/105 BMV 35/55/75/105
  HPV 130-01, HMF50/63, BPV 50/75/100, MPR63, B2PV 35/50/75/105
Uchida  A8VO 55/80/86/107/115/160/172 AP2D 14/21/25/36/38/42 A10VD 17/23/28/40/43/71, AP5S 53/67
Eaton  3331-006/007, 4621,4631,5421,5431,6423,7620,7621,7862        
Lieb    LPVD 64/75/90/100/125/140/150     
Yuken   A37/45/56/70/90/140        
Bent-axial piston pump/motor:                          
  A2F 12/23/2855/80/107/125/160/180/200/225/250/300/350/355/500                         
  A3V 55/80/107                         
  A2FO 10/12/16/23/28/56/63/80/90/107/125/180/200/225/250/355/500                        
  A7V 55/80/107/160/225/250/355/500/550
  A8V 55/80/107/160/355/500
   
PISTON PUMP/MOTOR
1.1 A10VSO/O-31 SERIES
1.2 A10VSO/O 16/18/28/45/71/100/140-31 
A4VSG/SO 40/71/125/180/250/500
1.3 A4VTG90
1.4 A11VO75/85/130/145/190/260
A2F/6.1 series 
A2F16 , A2F28 , A2F32 , A2F56 , A2F63 , A2F80 , A2F90 , A2F125 , A2F107 , A2F160 , A2F180  
A2FO series
A2FO28 , A2FO32 , A2FO56 , A2FO63 , A2FO80 , A2FO90 , A2FO125 , A2FO107 , A2FO160 , A2FO180   
A2F/1 2 3 4 5 series
A2F10 , A2F12 , A2F23 , A2F28 , A2F45 , A2F55 , A2F63 , A2F80 , A2F90 , A2F107 , A2F125 , A2F160 , A2F180 , A2F250   
A2FE series
A2FE56 , A2FE63 , A2FE80 , A2FE90 , A2FE107 , A2FE125 , A2FE160 , A2FE180   
K3V63DT/112DT/140DT

 

Company Profile

Factory Pictures

HangZhou CHINAMFG Hydraulics Co., Ltd is a scientific and innovative company integrating R & D, production, sales and service of high-quality hydraulic pumps, motors, valves and other hydraulic products.

Hyleman mainly provides CHINAMFG A4VSO, A10VSO, A4VG, A7VO, A11VO and A2FO series high-pressure piston pumps, CHINAMFG PGH3, PGH4 and PGH5 series high-pressure gear pumps, A4VM, A6VM, A2FM and A4FM series piston motors; BM3, BM4,BM5, BM6 and other orbit motors. Through the honing and innovation of CHINAMFG people, CHINAMFG series products can not only perfectly replace the original products, but also realize the seamless exchange and connection of all the parts. Moreover, it has lower noise, higher volume efficiency and longer service life, so as to completely surpass the quality of the original factory, and withstand the severe test of the market, has been exported to more than 70 countries and regions around the world.

Hyleman series products are widely used in engineering machinery, plastic machinery, metallurgical machinery, environmental sanitation machinery, mining machinery, marine machinery, packaging machinery, port machinery and various hydraulic equipment, which are highly praised by clients.

Hyleman has the world advanced CNC processing equipment, vertical and horizontal machining centers, high-precision double-sided grinding, groove grinding, curve grinding and full-automatic machining centers. With 12 independent testing laboratories, the products have been comprehensively inspected before shipment to ensure that CHINAMFG series products achieve high precision, high quality and zero defects.

“Optimizing the performance of hydraulic products, improving the quality of hydraulic products and leading the comprehensive upgrading of hydraulic product consumption” is not only the responsibility and mission of Hyleman, but also the Chinese dream of Hyleman. CHINAMFG are willing to work with people of insight to make unremitting efforts to realize this dream.

Warmly welcome all friends to visit the beautiful port city – HangZhou to discuss cooperation and seek common development with Hyleman!

Exhibitions

 

Packages

 

Our Advantages

Why Choose HYLEMAN?

1. Top Quality
Depend on 15 years experience at hydraulic pumps design, research, development and manufacturing, we have a top quality compared with domestic and overseas manufacturers, all of our products are with 1 year warranty time.

2. Strict Quality Control System
We have the most strict quality control system, all of our products are 100% tested before shipment and each of them has 1 tracking code in order to make sure they are with good quality to our customers.

3. Advanced machinery equipment
All the machines we have are new CNC machines we imported from Germany and Japan in order to reach more higher demand at the products accuracy.

4. Strong Technical team
Our technical team all have more than 20 years experience at pumps design and engineering, our chief engineer has more than 40 years experience at pumps design. We have 1 15 persons research team, responsible for pumps improvement research and new products development.

5. Competitive Price
Because of good management, our price is more competitive than the original products, more reasonable than most of the domestic suppliers.

6. Fast Delivery time
We can ship small orders within 1 week, for big orders such as within 500 PCS pumps or cartridge kits usually we can make shipment within 1 month.

7. Warranty Period
All of our products are within 1 year warranty time after the shipment from our factory.

8. Considerate Service
We can provide technical support at any time if our customers meet any issue during the using, we will provide solutions at the soonest time.

9. Long development strategy
We would like to establish a long time strategy cooperation relationship with our customers, to promote HYLEMAN brand together, support and train the potential customer to be our agent at each country and region all over the world.
 

After-sales Service: Online Service
Warranty: 1 Year
Structure: Axial Plunger Pump
Samples:
US$ 5000/Piece
1 Piece(Min.Order)

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Customization:
Available

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

vacuum pump

What Is the Impact of Altitude on Vacuum Pump Performance?

The performance of vacuum pumps can be influenced by the altitude at which they are operated. Here’s a detailed explanation:

Altitude refers to the elevation or height above sea level. As the altitude increases, the atmospheric pressure decreases. This decrease in atmospheric pressure can have several effects on the performance of vacuum pumps:

1. Reduced Suction Capacity: Vacuum pumps rely on the pressure differential between the suction side and the discharge side to create a vacuum. At higher altitudes, where the atmospheric pressure is lower, the pressure differential available for the pump to work against is reduced. This can result in a decrease in the suction capacity of the vacuum pump, meaning it may not be able to achieve the same level of vacuum as it would at lower altitudes.

2. Lower Ultimate Vacuum Level: The ultimate vacuum level, which represents the lowest pressure that a vacuum pump can achieve, is also affected by altitude. As the atmospheric pressure decreases with increasing altitude, the ultimate vacuum level that can be attained by a vacuum pump is limited. The pump may struggle to reach the same level of vacuum as it would at sea level or lower altitudes.

3. Pumping Speed: Pumping speed is a measure of how quickly a vacuum pump can remove gases from a system. At higher altitudes, the reduced atmospheric pressure can lead to a decrease in pumping speed. This means that the vacuum pump may take longer to evacuate a chamber or system to the desired vacuum level.

4. Increased Power Consumption: To compensate for the decreased pressure differential and achieve the desired vacuum level, a vacuum pump operating at higher altitudes may require higher power consumption. The pump needs to work harder to overcome the lower atmospheric pressure and maintain the necessary suction capacity. This increased power consumption can impact energy efficiency and operating costs.

5. Efficiency and Performance Variations: Different types of vacuum pumps may exhibit varying degrees of sensitivity to altitude. Oil-sealed rotary vane pumps, for example, may experience more significant performance variations compared to dry pumps or other pump technologies. The design and operating principles of the vacuum pump can influence its ability to maintain performance at higher altitudes.

It’s important to note that vacuum pump manufacturers typically provide specifications and performance curves for their pumps based on standardized conditions, often at or near sea level. When operating a vacuum pump at higher altitudes, it is advisable to consult the manufacturer’s guidelines and consider any altitude-related limitations or adjustments that may be necessary.

In summary, the altitude at which a vacuum pump operates can have an impact on its performance. The reduced atmospheric pressure at higher altitudes can result in decreased suction capacity, lower ultimate vacuum levels, reduced pumping speed, and potentially increased power consumption. Understanding these effects is crucial for selecting and operating vacuum pumps effectively in different altitude environments.

vacuum pump

What Is the Role of Vacuum Pumps in Pharmaceutical Manufacturing?

Vacuum pumps play a crucial role in various aspects of pharmaceutical manufacturing. Here’s a detailed explanation:

Vacuum pumps are extensively used in pharmaceutical manufacturing processes to support a range of critical operations. Some of the key roles of vacuum pumps in pharmaceutical manufacturing include:

1. Drying and Evaporation: Vacuum pumps are employed in drying and evaporation processes within the pharmaceutical industry. They facilitate the removal of moisture or solvents from pharmaceutical products or intermediates. Vacuum drying chambers or evaporators utilize vacuum pumps to create low-pressure conditions, which lower the boiling points of liquids, allowing them to evaporate at lower temperatures. By applying vacuum, moisture or solvents can be efficiently removed from substances such as active pharmaceutical ingredients (APIs), granules, powders, or coatings, ensuring the desired product quality and stability.

2. Filtration and Filtrate Recovery: Vacuum pumps are used in filtration processes for the separation of solid-liquid mixtures. Vacuum filtration systems typically employ a filter medium, such as filter paper or membranes, to retain solids while allowing the liquid portion to pass through. By applying vacuum to the filtration apparatus, the liquid is drawn through the filter medium, leaving behind the solids. Vacuum pumps facilitate efficient filtration, speeding up the process and improving product quality. Additionally, vacuum pumps can aid in filtrate recovery by collecting and transferring the filtrate for further processing or reuse.

3. Distillation and Purification: Vacuum pumps are essential in distillation and purification processes within the pharmaceutical industry. Distillation involves the separation of liquid mixtures based on their different boiling points. By creating a vacuum environment, vacuum pumps lower the boiling points of the components, allowing them to vaporize and separate more easily. This enables efficient separation and purification of pharmaceutical compounds, including the removal of impurities or the isolation of specific components. Vacuum pumps are utilized in various distillation setups, such as rotary evaporators or thin film evaporators, to achieve precise control over the distillation conditions.

4. Freeze Drying (Lyophilization): Vacuum pumps are integral to the freeze drying process, also known as lyophilization. Lyophilization is a dehydration technique that involves the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. Vacuum pumps create a low-pressure environment in freeze drying chambers, allowing the frozen product to undergo sublimation. During sublimation, the frozen water or solvent directly transitions from the solid phase to the vapor phase, bypassing the liquid phase. Vacuum pumps facilitate efficient and controlled sublimation, leading to the production of stable, shelf-stable pharmaceutical products with extended shelf life.

5. Tablet and Capsule Manufacturing: Vacuum pumps are utilized in tablet and capsule manufacturing processes. They are involved in the creation of vacuum within tablet presses or capsule filling machines. By applying vacuum, the air is removed from the die cavity or capsule cavity, allowing for the precise filling of powders or granules. Vacuum pumps contribute to the production of uniform and well-formed tablets or capsules by ensuring accurate dosing and minimizing air entrapment, which can affect the final product quality.

6. Sterilization and Decontamination: Vacuum pumps are employed in sterilization and decontamination processes within the pharmaceutical industry. Autoclaves and sterilizers utilize vacuum pumps to create a vacuum environment before introducing steam or chemical sterilants. By removing air or gases from the chamber, vacuum pumps assist in achieving effective sterilization or decontamination by enhancing the penetration and distribution of sterilants. Vacuum pumps also aid in the removal of sterilants and residues after the sterilization process is complete.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, dry screw pumps, or liquid ring pumps, may be utilized in pharmaceutical manufacturing depending on the specific requirements of the process and the compatibility with pharmaceutical products.

In summary, vacuum pumps play a vital role in various stages of pharmaceutical manufacturing, including drying and evaporation, filtration and filtrate recovery, distillation and purification, freeze drying (lyophilization), tablet and capsule manufacturing, as well as sterilization and decontamination. By enabling efficient and controlled processes, vacuum pumps contribute to the production of high-quality pharmaceutical products, ensuring the desired characteristics, stability, and safety.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump   with Great quality China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump   with Great quality
editor by CX 2023-11-18

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