China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump vacuum pump design

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 CZPT 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 CZPT 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 CZPT A4VSO, A10VSO, A4VG, A7VO, A11VO and A2FO series high-pressure piston pumps, CZPT 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 CZPT people, CZPT 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 CZPT 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. CZPT 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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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

piston vacuum pump

How Does a Piston Vacuum Pump Work?

A piston vacuum pump, also known as a reciprocating vacuum pump, operates using a piston mechanism to create a vacuum. Here’s a detailed explanation of its working principle:

1. Piston and Cylinder Assembly:

– A piston vacuum pump consists of a piston and cylinder assembly.

– The piston is a movable component that fits inside the cylinder and creates a seal between the piston and cylinder walls.

2. Intake and Exhaust Valves:

– The cylinder has two valves: an intake valve and an exhaust valve.

– The intake valve allows gas or air to enter the cylinder during the suction stroke, while the exhaust valve allows the expelled gas to exit during the compression stroke.

3. Suction Stroke:

– During the suction stroke, the piston moves downward, creating a vacuum within the cylinder.

– As the piston moves down, the intake valve opens, allowing gas or air from the system being evacuated to enter the cylinder.

– The volume within the cylinder increases, causing a decrease in pressure and the creation of a partial vacuum.

4. Compression Stroke:

– After the suction stroke, the piston moves upward during the compression stroke.

– As the piston moves up, the intake valve closes, preventing backflow of gas into the evacuated system.

– Simultaneously, the exhaust valve opens, allowing the gas trapped in the cylinder to be expelled.

– The upward movement of the piston reduces the volume within the cylinder, compressing the gas and increasing its pressure.

5. Expulsion of Gas:

– Once the compression stroke is complete, the gas is expelled through the exhaust valve.

– The exhaust valve then closes, ready for the next suction stroke.

– This process of alternating suction and compression strokes continues, gradually reducing the pressure within the evacuated system.

6. Lubrication:

– Piston vacuum pumps require lubrication for smooth operation and to maintain the airtight seal between the piston and cylinder walls.

– Lubricating oil is often introduced into the cylinder to provide lubrication and help maintain the seal.

– The oil also helps to cool the pump by dissipating heat generated during operation.

7. Applications:

– Piston vacuum pumps are commonly used in applications where high vacuum levels and low flow rates are required.

– They are suitable for processes such as laboratory work, vacuum drying, vacuum filtration, and other applications that require moderate vacuum levels.

In summary, a piston vacuum pump operates by creating a vacuum through the reciprocating motion of a piston within a cylinder. The suction stroke creates a vacuum by lowering the pressure within the cylinder, while the compression stroke expels the gas and increases its pressure. This cyclic process continues, gradually reducing the pressure within the system being evacuated. Piston vacuum pumps are commonly used in various applications that require moderate vacuum levels and low flow rates.

piston vacuum pump

Are There Noise Considerations When Using Piston Vacuum Pumps?

Yes, there are noise considerations to take into account when using piston vacuum pumps. Here’s a detailed explanation:

– Piston vacuum pumps can generate noise during their operation, which is important to consider, especially in environments where noise levels need to be minimized.

– The noise produced by piston vacuum pumps is primarily caused by mechanical vibrations and the movement of internal components.

– The noise level can vary depending on factors such as the design and construction of the pump, the speed of operation, and the load conditions.

– Excessive noise from piston vacuum pumps can have several implications:

– Occupational Health and Safety: High noise levels can pose a risk to the health and safety of operators and personnel working in the vicinity of the pump. Prolonged exposure to loud noise can lead to hearing damage and other related health issues.

– Environmental Impact: In certain settings, such as residential areas or noise-sensitive locations, excessive noise from piston vacuum pumps may result in noise pollution and non-compliance with local noise regulations.

– Equipment Interference: Noise generated by the pump can interfere with the operation of nearby sensitive equipment, such as electronic devices or precision instruments, potentially affecting their performance.

– To mitigate the noise produced by piston vacuum pumps, several measures can be taken:

– Enclosures and Sound Insulation: Installing acoustic enclosures or sound-insulating materials around the pump can help contain and reduce the noise. These enclosures are designed to absorb or block the sound waves generated by the pump.

– Vibration Isolation: Using vibration isolation mounts or pads can help minimize the transmission of vibrations from the pump to surrounding structures, reducing the noise level.

– Maintenance and Lubrication: Regular maintenance, including lubrication of moving parts, can help reduce friction and mechanical noise generated by the pump.

– Operating Conditions: Adjusting the operating conditions of the pump, such as speed and load, within the manufacturer’s specified limits can help optimize performance and minimize noise generation.

– Location and Placement: Proper positioning and placement of the pump, considering factors such as distance from occupied areas or sensitive equipment, can help minimize the impact of noise.

– It is important to consult the manufacturer’s guidelines and recommendations regarding noise levels and any specific measures to mitigate noise for a particular piston vacuum pump model.

– Compliance with local regulations and standards regarding noise emissions should also be considered and adhered to.

In summary, noise considerations are important when using piston vacuum pumps to ensure the health and safety of personnel, minimize environmental impact, and prevent interference with other equipment. Measures such as enclosures, vibration isolation, maintenance, and proper operating conditions can help mitigate the noise generated by these pumps.

piston vacuum pump

Are There Oil-Free Piston Vacuum Pump Options Available?

Yes, there are oil-free piston vacuum pump options available. Here’s a detailed explanation:

1. Oil-Free Technology:

– Traditional piston vacuum pumps use oil as a lubricant and sealant in their operation.

– However, advancements in vacuum pump technology have led to the development of oil-free piston vacuum pumps.

– Oil-free piston pumps are designed to operate without the need for lubricating oil, eliminating the risk of oil contamination and the need for oil changes.

2. Dry Running Operation:

– Oil-free piston vacuum pumps achieve lubrication and sealing through alternative means.

– They often utilize materials such as self-lubricating polymers or advanced coatings on the piston and cylinder surfaces.

– These materials reduce friction and provide sufficient sealing to maintain vacuum levels without the need for oil.

3. Applications:

– Oil-free piston vacuum pumps are suitable for a wide range of applications where oil contamination is a concern.

– They are commonly used in industries such as food and beverage, pharmaceutical, electronics, laboratories, and medical where a clean and oil-free vacuum environment is required.

4. Advantages:

– The primary advantage of oil-free piston vacuum pumps is their ability to provide a clean and oil-free vacuum.

– They eliminate the risk of oil contamination, which is crucial in sensitive applications such as semiconductor manufacturing or pharmaceutical production.

– Oil-free pumps also simplify maintenance since there is no need for oil changes or regular oil monitoring.

5. Considerations:

– While oil-free piston vacuum pumps offer advantages, they also have some considerations to keep in mind.

– They may have slightly lower ultimate vacuum levels compared to oil-lubricated pumps.

– The absence of oil as a lubricant may result in slightly higher operating temperatures and increased wear on piston and cylinder surfaces.

– It’s important to select an oil-free piston vacuum pump that is suitable for the specific application requirements and consider the trade-offs between performance, cost, and maintenance.

6. Alternative Pump Technologies:

– In some cases, where oil-free operation is critical or specific vacuum levels are required, alternative pump technologies may be more suitable.

– Dry screw pumps, claw pumps, or scroll pumps are examples of oil-free pump technologies that are widely used in various industries.

– These pumps offer oil-free operation, high pumping speeds, and can achieve lower vacuum levels compared to oil-free piston pumps.

In summary, oil-free piston vacuum pumps are available as an alternative to traditional oil-lubricated pumps. They provide a clean and oil-free vacuum environment, making them suitable for applications where oil contamination is a concern. However, it’s important to consider specific application requirements and explore alternative pump technologies if necessary.

China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump   vacuum pump design		China Hot selling Competitive Price Hydraulic Piston Vacuum Pump A11vlo Series Piston Pump A11vlo 130/145/190/260 Variable Piston Pump   vacuum pump design
editor by CX 2023-11-03