Product Description
Product Description
Dry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous high-speed reverse rotation of the effects of the suction and exhaust and suction device, 2 screw fine dynamic balancing correction, and is supported by bearings, is installed in the pump shell, between screw and screw has a certain gap, so the pump work, no friction between each other, smooth running, low noise, Working chamber without lubricating oil, therefore, dry screw pump can remove a lot of steam and a small amount of dust gas occasions, higher limit vacuum, lower power consumption, energy saving, maintenance-free and other advantages.
Our Advantages
There is no medium in the working chamber, which can obtain a clean vacuum.
. No clearance between rotating parts, high speed operation, small overall volume.
There is no compression in the gas, suitable for extraction of coagulable gas.
Can remove a lot of steam and a small amount of dust gas occasions.
. High vacuum, the ultimate vacuum up to 1 Pa.
Screw material is high strength special material, material density, wear resistance, stable performance.
No friction rotating parts, low noise.
. Simple structure, convenient maintenance.
Wider range of use: corrosive environment can be used.
No oil consumption, no water.
Pump gas directly discharged from the pump body, no pollution of water, no environmental pressure, more convenient gas recovery.
It can be composed of oil-free unit with Roots pump and molecular pump.
Typical Use
——Oil and gas recovery. ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis
Product Parameters
| 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 | 2092×951 x 1150 |
Characteristic Curve
Detailed Photos
General Manager Speech
Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.
Company Profile
ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.
New plant plHangZhou
The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.
High precision machining equipment
The company cooperates with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents. Adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.
Product quality wins consumer cooperationIn shipment ISO 9001
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| After-sales Service: | Lifetime Paid Service |
|---|---|
| Warranty: | One Year |
| Oil or Not: | Oil Free |
| Structure: | Screw |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Customization: |
Available
|
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|---|
What Are the Key Components of a Piston Vacuum Pump?
A piston vacuum pump consists of several key components that work together to create a vacuum. Here’s a detailed explanation of these components:
1. Cylinder:
– The cylinder is a cylindrical chamber where the piston moves back and forth.
– It provides the housing for the piston and plays a crucial role in creating the vacuum by changing the volume of the chamber.
2. Piston:
– The piston is a movable component that fits inside the cylinder.
– It creates a seal between the piston and cylinder walls, allowing the pump to create a pressure differential and generate a vacuum.
– The piston is typically driven by a motor or an external power source.
3. Intake Valve:
– The intake valve allows gas or air to enter the cylinder during the suction stroke.
– It opens when the piston moves downward, creating a vacuum and drawing gas into the cylinder from the system being evacuated.
4. Exhaust Valve:
– The exhaust valve allows the expelled gas to exit the cylinder during the compression stroke.
– It opens when the piston moves upward, allowing the compressed gas to be expelled from the cylinder.
5. Lubrication System:
– Piston vacuum pumps often incorporate a lubrication system to ensure smooth operation and maintain an airtight seal between the piston and cylinder walls.
– Lubricating oil is introduced into the cylinder to provide lubrication and help maintain the seal.
– The lubrication system also helps to cool the pump by dissipating heat generated during operation.
6. Cooling System:
– Some piston vacuum pumps may include a cooling system to prevent overheating.
– This can involve the circulation of a cooling fluid or the use of cooling fins to dissipate heat generated during operation.
7. Pressure Gauges and Controls:
– Pressure gauges are often installed to monitor the vacuum level or pressure within the system.
– Control mechanisms, such as switches or valves, may be present to regulate the operation of the pump or maintain the desired vacuum level.
8. Motor or Power Source:
– The piston in a piston vacuum pump is typically driven by a motor or an external power source.
– The motor provides the necessary mechanical energy to move the piston back and forth, creating the suction and compression strokes.
9. Frame or Housing:
– The components of the piston vacuum pump are housed within a frame or housing that provides structural support and protection.
– The frame or housing also helps to reduce noise and vibration during operation.
In summary, the key components of a piston vacuum pump include the cylinder, piston, intake valve, exhaust valve, lubrication system, cooling system, pressure gauges and controls, motor or power source, and the frame or housing. These components work together to create a vacuum by reciprocating the piston within the cylinder, allowing gas to be drawn in and expelled, while maintaining an airtight seal. The lubrication and cooling systems, as well as pressure gauges and controls, ensure smooth and efficient operation of the pump.
What Are the Safety Precautions for Operating Piston Vacuum Pumps?
Operating piston vacuum pumps requires adherence to safety precautions to ensure the well-being of personnel and the proper functioning of the equipment. Here’s a detailed explanation of the safety precautions for operating piston vacuum pumps:
– Familiarize Yourself with the User Manual: Before operating a piston vacuum pump, thoroughly read and understand the user manual provided by the manufacturer. The manual contains important safety guidelines specific to the pump model.
– Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, such as safety goggles, gloves, and hearing protection, when operating the pump. This helps protect against potential hazards, including chemical exposure, flying debris, and noise.
– Ventilation: Ensure that the area where the pump is operated has adequate ventilation. Proper ventilation helps prevent the accumulation of fumes, vapors, or hazardous gases that may be generated during the pumping process.
– Electrical Safety: Follow electrical safety precautions, including proper grounding and connection of the pump to a suitable power source. Inspect power cords and plugs for any damage before use, and avoid using the pump in wet or damp environments.
– Pressure and Vacuum Limits: Operate the pump within its specified pressure and vacuum limits. Exceeding these limits can lead to equipment failure, compromising safety and performance.
– Overpressure Protection: Ensure the pump has appropriate overpressure protection mechanisms, such as relief valves or pressure sensors, to prevent excessive pressure buildup. Regularly inspect and maintain these safety devices to ensure their proper functioning.
– Cooling and Temperature: Pay attention to the cooling requirements of the pump. Adequate cooling is necessary to prevent overheating and potential damage to the pump. Avoid blocking or obstructing cooling vents or fins. Monitor the pump’s temperature during operation and follow any temperature-related guidelines provided by the manufacturer.
– Maintenance and Inspection: Regularly inspect and maintain the pump according to the manufacturer’s recommendations. This includes cleaning, lubricating, and replacing parts as necessary. Perform maintenance tasks only when the pump is turned off and disconnected from the power source.
– Emergency Stop: Familiarize yourself with the location and operation of the emergency stop button or switch on the pump. In case of any emergency or abnormal situation, immediately activate the emergency stop to shut down the pump safely.
– Training and Competence: Ensure that operators are adequately trained and competent to operate the piston vacuum pump. Proper training helps minimize the risks associated with incorrect operation or handling of the equipment.
– Hazardous Materials: If the pump is used with hazardous materials, follow appropriate safety protocols for handling, containment, and disposal. Be aware of the potential risks associated with the materials being pumped and take necessary precautions to mitigate those risks.
– Warning Signs and Labels: Pay attention to warning signs, labels, and markings on the pump, including safety instructions, hazard warnings, and operating instructions. Follow these instructions carefully to ensure safe operation.
– Emergency Procedures: Establish and communicate clear emergency procedures in case of accidents, spills, or other hazardous situations. Ensure that operators are aware of these procedures and know how to respond appropriately.
– Regular Risk Assessment: Conduct regular risk assessments of the pump operation to identify potential hazards and implement appropriate safety measures. Periodically review and update safety protocols based on the results of these assessments.
– Emergency Response Resources: Keep appropriate emergency response resources readily available, such as fire extinguishers, spill kits, and emergency eyewash stations, in case of accidents or spills.
In summary, operating piston vacuum pumps safely requires following several key safety precautions, including familiarizing yourself with the user manual, using appropriate personal protective equipment, ensuring proper ventilation, adhering to electrical safety guidelines, operating within pressure and vacuum limits, maintaining cooling requirements, performing regular maintenance and inspections, being aware of emergency stop procedures, providing adequate training and competence, handling hazardous materials safely, paying attention to warning signs and labels, establishing emergency procedures, conducting risk assessments, and keeping emergency response resources available.
Can Piston Vacuum Pumps Handle Corrosive Gases or Vapors?
Piston vacuum pumps are generally not suitable for handling corrosive gases or vapors. Here’s a detailed explanation:
1. Construction Materials:
– Piston vacuum pumps are typically constructed with materials such as cast iron, aluminum, stainless steel, and various elastomers.
– While these materials offer good resistance to normal operating conditions, they may not be compatible with corrosive substances.
– Corrosive gases or vapors can attack and degrade the pump’s internal components, leading to reduced performance, increased wear, and potential failure.
2. Sealing and Contamination:
– Piston vacuum pumps rely on tight seals and clearances to maintain the vacuum and prevent leakage.
– Corrosive gases or vapors can degrade the seals and compromise their effectiveness.
– This can result in increased leakage, reduced pumping efficiency, and potential contamination of the pump and the surrounding environment.
3. Maintenance and Service:
– Handling corrosive gases or vapors requires specialized knowledge, materials, and maintenance procedures.
– The pump may need additional protective measures, such as corrosion-resistant coatings or specialized seal materials, to withstand the corrosive environment.
– Regular inspection, cleaning, and replacement of components may also be necessary to maintain the pump’s performance and prevent damage.
4. Alternative Pump Options:
– If corrosive gases or vapors are involved in the application, it is advisable to consider alternative pump technologies that are specifically designed to handle such substances.
– For corrosive gases, chemical-resistant pumps like diaphragm pumps, peristaltic pumps, or dry screw pumps may be more suitable.
– These pumps are constructed with materials that offer superior resistance to corrosion and can handle a wide range of corrosive substances.
– It is essential to consult the pump manufacturer or a vacuum system specialist to select the appropriate pump for handling corrosive gases or vapors.
In summary, piston vacuum pumps are generally not recommended for handling corrosive gases or vapors due to their construction materials, sealing limitations, and the potential for damage and contamination. It is crucial to choose a pump specifically designed to handle corrosive substances or consider alternative pump technologies that can provide the required chemical resistance and performance.
editor by CX 2024-04-15
