China high quality 11cfm Industrial suction Pump 1hp automotive Vacuum Pump SV-020 for vacuum package machine vacuum pump distributors

Warranty: 1 years
Customized support: OEM
Model Number: SV-571
Application: CZPT OEM, vacuum pump, vacuum package machine, medical machine,HVAC,refrigeration,
Horsepower: 0.75HP
Power Source: Electric
Pressure: 80pa
Structure: CZPT multi-vane vacuum pump
Cable Length: /
Outlet Size: 1/4”
Voltage: 220v50hz
Power: 750w, 1 /2HP, 7.5kw
Free air displacement: 11.2CFM / 20m3/h
ultimate vacuum pump: 80 PA
oil capacity: 500ml
rotary/speed: 2800 RPM
Dimension: 410*280*210 MM
weight: 18kg
Certificate: CE
Fuel: electric vacuum pump
Packaging Details: in wooded case
Port: HangZhou

SV series high Insudtrial pump for vacuum package machine ,medical machine, large cold storage, and so on. 11.2 cfm,20m3/h,1hp long time direct-drive multi-vane rotary vane pump

Quick Detail:
The Model SV-571 industrial suction pump ,feature 11.2 CFM(20m3/h), Inner Spline Shaft Pto Drive shaft Gear Shaft for Large Engineering Vehicles & Dumper & ATV made from Alloy Metal ultimate vacuum 80 Pa,0.8 mbar. large vacuum pacakge machine vacuum pump.
SV series oil sealed CZPT direct-drive vacuum pump is a kind of reliable, durable, economic and applicable range of vacuum equipment. In the circular pump body, it has an air suction valve and exhaust valve (stator). There vanes are equipped with an eccentric rotor slot in the rotor, the vane blades divided the pump chamber into 3 parts. The volume of the pump chamber keep changing periodically as the rotation of the rotor to finish the process of gas suction, compression and elimination, so that the the gas/air from the inlet hole is sucked .


1. Environmental protection function, built-in oil mist filter, exhausted clean and pollution-free gas.
2. The motor and the pump coaxial direct drive, portable ,small and light.
3. Air cooling, no cold water in need , simple operation,Convenient for maintenance.
4. The inlet valve is equipped with a check valve to prevent pump oil from flowing back into the vacuum system.
5. Multi-rotary vane blades design, 15mm 925 VVs D color moissanite cuban link chains 925 sterling silver iced out moissanite men chain high efficient and energy saving.
6. Small vibration, low noise, high pumping speed,can work on horizontal surface.
7. Enable to work sustainably in ultimate vacuum to atmospheric full pressure range.
8. Improved lubrication circuits and mechanical tolerances provide a constant low noise level at all working pressures.
9. Compact structure; scientific and reasonable design; convenient Installation
10. All lubrication circuits as well as the gas ballast system have been integrated into the pumps’ major components allowing limited sealing and a reduced number of parts. As a result, improved product reliability and durability is gained with prolonged maintenance intervals.
11. Large starting torque design: Special design for low temperature and low voltage environment, ensure to start normally under a low temperature (abov-5 ℃) and low voltage (above 180V) environment in cold winter.

SV-571 VACUUM PUMP is mainly used for vacuum package machine.
The SV series CZPT direct-drive multi-rotary vane vacuum pumps ,industrial vacuum units are widely used in vacuum packaging, drying, distillation, concentration, loading and unloading, attraction, 5L40E 5L50E piston kit Auto Transmission system parts For Gearbox Transnation plastic vacuum forming ,harbor freight vacuum pump , suction pump, and other fields.
For the large cold storage, air conditioning, large automobile air conditioning, central air conditioning,Water chiller, and industry production uses, etc., SV series and 2XZ direct-drive 2 stage vacuum pump should be preferred.


Free air
Free air
Ultimate Vacuum8080505050
Inlet Port
Rotating Speed
Oil Capacity (L)0.50.5224
Weight (kg)161840/5845115
Dimension (mm)410*280*210410*280*210630*290*260660*300*270770*480*300



1.Keep the pump clean and prevent foreign matter from entering it.
2.Keep the oil level. Do not keep it running without oil.
3.Keep the oil clean. If it becomes dirty, muddy or has water or other volatile substances which affect limit vacuum the oil should be replaced. Before replacing the oil, start the pump and have it run about 30 minutes to make the oil thin and then stop it and let out the oil from the oil-outing mouth. Then have it run for 1-2 minutes with the gas-entering mouth open. During this time, add a small quantity of clean oil from the gas.Entering mouth so as to replace the remaining oil in the pump. Do it repeatedly. After making sure the pump is clean put on the oil-outing screw plug and then fill clean pump oil to the oil-level line from the oiling mouth.
4.If it is not in use for long, cover the oiling cap and exhaust cap and put it in a dry place. Meanwhile, High Quality Yunnei YN38 Turbo Charger Multi-cylinder Diesel Engine for Boat damp proof and anti-rust should be considered.
5.If it needs removing and fixing is sure to have an experienced or professional technician 1 does it.
1.Do not pump inflammable, explosive and poisonous gases.
2.Do not pump gases which can corrode metals and can exert chemical changes with the pump oil.
3.Do not pump gases containing pellet dust and gases with plenty of steam.
4.The temperature of the pumped gas should not be over 80° and the environment temperature should be 5 – 6.
5.Do not use it as a compression or a convey pump.
6.Do not use or operate without oil.
7.Do not pull on the wire when unplugging from the outlet.
8.Do not put heavy weights on the wire to avoid being extruded.
9.Do not use when the plug or outlet if it is damaged.
10. Do not plug or unplug with your wet hands.
11.Unplug or switch off the machine when there is any kind of leak of coal gas.

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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 11cfm Industrial suction Pump 1hp automotive Vacuum Pump SV-020 for vacuum package machine   vacuum pump distributorsChina high quality 11cfm Industrial suction Pump 1hp automotive Vacuum Pump SV-020 for vacuum package machine   vacuum pump distributors
editor by CX 2023-07-07