Product Description
Stationary screw vacuum pumps, high vacuum, energy-saving, cost-saving, variable frequency, industry for foam, ceramics, brickworks, New technology, replacement of water ring pumps
Product Structure
Working Principle
Screw vacuum pump is the use of a pair of screws, in the pump casing for synchronous high-speed reverse rotation and produces the suction and exhaust role of the pumping equipment, the 2 screws by the fine dynamic balance correction, supported by the bearings, mounted in the pump casing, screws and screws have a certain clearance, so the pump is working, no friction between each other, smooth operation, low noise, can be pumped out of a large number of water vapor and a small amount of dust containing gas occasions, the limit of vacuum, higher, lower power consumption, energy saving, maintenance-free advantages. Higher vacuum, lower power consumption, energy-saving, maintenance-free, and other advantages, widely used in pharmaceutical, chemical, semiconductor, food packaging and other enterprises with high requirements for clean vacuum.
Product Parameters
| Sanzhi (ZheJiang ) Compressor Co,. Ltd. | ||||||||
| Screw Vacuum Pump | ||||||||
| Model | Power | Pressure | Volumetric Flow | Voltage | Frequency | Rotation speed | Weight | Dimensions |
| KW | -Mpa | m³/min | V | Hz | r/min | Kg | L*W*H(mm) | |
| SZVP10 | 7.5 | -0.05-0.098 | 10.0 | 380 | 50 | 3300 | 805 | 1500*880*1460 |
| SZVP15 | 11 | -0.05-0.098 | 12.5 | 380 | 50 | 3300 | 1040 | 1850*920*1490 |
| SZVP20 | 15 | -0.05-0.098 | 15.0 | 380 | 50 | 3300 | 1040 | 1850*920*1490 |
| SZVP30 | 22 | -0.05-0.098 | 22.0 | 380 | 50 | 3300 | 1280 | 2000*1000*1670 |
| SZVP40 | 30 | -0.05-0.098 | 27.0 | 380 | 50 | 3300 | 1280 | 2000*1000*1670 |
| SZVP50 | 37 | -0.05-0.098 | 30.0 | 380 | 50 | 3300 | 1910 | 2300*1120*1827 |
| SZVP60 | 45 | -0.05-0.098 | 45.0 | 380 | 50 | 3300 | 1910 | 2300*1120*1827 |
| SZVP75 | 55 | -0.05-0.098 | 62.0 | 380 | 50 | 3300 | 3500 | 2860*1650*2114 |
| SZVP100 | 75 | -0.05-0.098 | 75.0 | 380 | 50 | 3300 | 3500 | 2860*1650*2114 |
| Due to product updates, the above parameters are subject to deviation in kind. | ||||||||
Detailed Photos
High-efficiency Permanent Magnet Motor
Insulation grade F, protective grade IP55, soft start operation, stable flow rate. The constant torque range and weak magnetic range are wider, The efficiency of the permanent magnet motor is higher by 20-30% than that of the regular motor.
Integrated Frequency Converter
Adopt the top frequency system in China, with a wide range of speed regulation, and high precision. Quality stability, to ensure that the pressure transmitter signal is transmitted.
Smart Touch Controller
Superior built-in intelligence requires minimal manual operation. A high-precision color electronic screen, clear graphics display, and indication of maintenance information, fault alarms, and safety shutdown alarms.
Special Type Intake Valve
Automatic control of the opening, to ensure the engine fuel injection and lubricating oil circulation.
Ultra-low oil circuit loss, overall efficiency improvement.
Normally open solenoid valve control, emergency stop automatically closed, prevent oil injection.
Cooling System
Large heat exchange area design effectively prevents high-temperature machines and reduces oil emulsification and coking caused by high-temperature.
Excellent Air Filter
An air filter with excellent air purification capability ensures a clean air system and three-stage filtration to maximize air purification and meet standard emissions. It can remove a lot of steam and a small amount of dust gas occasions, the ultimate vacuum is up to 1 Pa.
Reliable Oil and Air Separator
Vertical tangential cyclone separation structure, complete separation of oil and air, easy replacement of cartridge, and reduced maintenance cost.
High-Quality Soundproof Cotton
Compact noise reduction housing, achieving no vibration amplitude during operation, cooperates with high-quality soundproof cotton to further improve noise reduction levels.
Iron Oil Pipe & Air Pipe System
Iron is resistant to high temperature, low temperature, and high pressure, suitable for bad working conditions, completely leak-free, and maintenance-free.
Sanzhi Screw Vacuum Pump VS Water Ring Pump
| Item | Name | Power | Volumetric Flow | Quantity | Total Volumetric Flow | Total Power | Pressure | Annual Electricity Consumption | Energy Saving Rate | Calculation Method | Item | Name | Annual Electricity Consumption | Energy Saving Rate | Calculation Method | |||
| Kw | m³/min | PCS | m³/min | Kw | Mpa | kW | kW | |||||||||||
| Old Equipment | Water Ring Vacuum Pump | 18.5 | 10 | 2 | 20 | 37 | -0.08 | 133200 | 60% | Annual electricity consumption=Total Power*(10h/day*30days*12months) | Old Equipment | Water Ring Vacuum Pump | 133200 | 60% | Annual electricity consumption=Total Power*(10h/day*30days*12months) | |||
| New Equipment | Sanzhi Screw Vacuum Pump | 7.5 | 10 | 2 | 20 | 15 | -0.098 | 54000 | New Equipment | Sanzhi Screw Vacuum Pump | 54000 | |||||||
Product Features
Multiple filtration
Three-stage filtration minimizes air impurities.
Energy saving
Saves 50-60% of electricity compared to traditional vacuum pumps.
Constant pressure
Constant speed pumping, solving the problem of unstable vacuum pumping.
Higher vacuum degree
The vacuum degree of the vacuum pump on the market is -0.07Mpa, our vacuum degree is -0.098Mpa.
Easy use
Simple structure, easy to install, operate, and maintain.
Packaging & Shipping
Our Advantages
1. Price advantage
Direct to provide customers with ex-factory prices, so that customers are more competitive.
2. Direct deal
All products are supplied directly from the factory and we will offer more cost-effective products.
3. OEM & ODM services
The strong production and management capacity of the factory can provide OEM/ODM service for you.
4. Customised service
We accept non-standard orders, export orders, voltage/power/pressure, etc, which can be customized. If you have demands, please contact us.
5. Accept small order
You can place a small trial order first to test the quality of our products.
6. Fast delivery
High-quality products with timely delivery.
7. Complete authorisation
For distributors, we can provide the full authorization certificate to allow you to sell our SANZHI brand products.
More Products
Company Profile
ABOUT US
Sanzhi (ZheJiang ) Compressor Co., Ltd is a specialist in the production of screw air compressors and screw vacuum pumps. The extensive product range includes normal pressure/low-pressure screw air compressors, permanent magnet frequency conversion screw air compressors, two-stage compression screw air compressors, screw air compressors for laser cutting, single-tank mobile screw air compressors, double-tank mobile screw air compressor, electric mobile screw air compressor, diesel mobile screw air compressor, screw vacuum pump, etc.
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick you up from HangZhou International Airport to our factory, 30 kilometers in about 1 hour. Welcome to our company!
Application industry
The items are widely used in wood processing, ceramic processing, printing processing, plastic processing, food packaging, semiconductor materials, pharmaceutical industry, PET blowing industry, petrochemical industry, rubber industry, iron and steel industry, mining industry, spraying industry, industry, foam factories, brick factories, electronic factories, marine exploration, hydroelectric power stations, ships, military industries and so on.
Successful cases
FAQ
Q1. Are you a trading company or manufacturer?
A: We are a professional manufacturer of screw vacuum pumps, with more than 10 years of experience.
Q2. How do you control quality?
A: 1. The raw materials are strictly inspected.
2. Installation procedures are strictly controlled.
3. Each machine must pass at least 5 hours of continuous testing before leaving the factory.
Q3. What information must I provide to get a suitable machine?
1. How much air delivery capacity (Unit: CFM or m³/Min)
2. How much working pressure (Unit: PSI, Bar or Mpa)
3. What is the voltage and frequency of my country of residence (V/Hz)
4. Whether I need other accessories such as an air tank, filters, and/or air dryers.
Tell us the answer, we will offer a scheme for you!
Q4. What is the general unit conversion?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32cfm
1KW = 1.34HP
Q5. What is the available voltage vacuum pump?
A: Sanzhi available voltage include 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, and can be customized according to your requirements.
Q6. How long is the delivery time?
A: For standard voltage,15 working days after the confirmed order. Non-standard, please contact our sales.
Q7. What’s the payment term?
A: 30% T/T in advance, 40% T/T before shipment, and 30% T/T against the B/L copy. USD and RMB can be accepted.
Q8. How about your warranty?
A: One year for the whole machine and 2 years for screw vacuum pump, except for consumable spare parts.
Q9. What about the maintenance?
A: First maintenance needs to be done after 500 hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q10. Can machines be run in high-temperature environment?
A: Yes, machines would run in high-temperature environment countries. Working temperature from -20° to 45°(-4ºF-113ºF).
Q11. Do you offer OEM service?
A: Yes, with a professional design team, both OEM & ODM orders are highly welcome.
Q12. How long could your vacuum pump be used?
A: Generally, more than 10 years.
Q13. Will you provide some spare parts for the machines?
A: Yes, of course.
Q14. How about your after-sales service?
A: Provide customers with installation and commissioning online instructions, and arrange our engineers to help you with training and installation.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Technology Support |
|---|---|
| Warranty: | 1 Year, 2 Years |
| Oil or Not: | Oil |
| Structure: | Screw Vacuum Pump |
| Exhauster Method: | Positive Displacement Pump |
| Vacuum Degree: | High Vacuum |
| Samples: |
US$ 33100/Piece
1 Piece(Min.Order) | Sample Color: Picture Color
|
|---|
| Customization: |
Available
|
|
|---|
How to check the vacuum pump
A vacuum pump is a machine that draws gas molecules from a volume and maintains a partial vacuum. Its main job is to create a relative vacuum within the stated capabilities. If your vacuum pump isn’t working properly, it may need service. Read on to learn more about the types of vacuum pumps and how to check them.
Principle of industrial vacuum pump
Industrial vacuum pumps are used in industrial processes that require vacuum. These pumps are designed to generate, improve and maintain vacuum. Learn about the different types of industrial vacuum technology. You can start by reading about the most common types of industrial vacuum pumps. These pumps can be used in a variety of industrial processes from cleaning to manufacturing.
Regardless of the technology used to manufacture these pumps, the basic principles behind their operation are the same. The speed and mass flow of the pump will determine its capacity and suitability. A faster flow rate will minimize the time it takes for the machine to empty. Another important factor to consider is the type of vacuum you need.
A liquid ring vacuum pump is an industrial pump that uses a ring of liquid to form a seal. This type of pump is best suited for applications with high vapor loads and high liquid carry-over. Liquid ring vacuum pumps can be divided into two categories: liquid ring vacuum pumps and scroll vacuum pumps.
Industrial vacuum pumps work by removing gas molecules from a chamber. The partial vacuum created allows material to flow through the void. As more molecules are removed, the pressure in the chamber decreases, releasing energy that can be used for a variety of different purposes.
The most common use of industrial vacuum pumps is for electric lights. In these lamps, a vacuum pump removes the gas, causing the bulb to light up. Energy from the vacuum is also used in aircraft to power instruments. In addition to powering industrial vacuum cleaners, they are used in a variety of other environments.
High-performance industrial vacuum systems require specific materials that can withstand extreme pressure. This means that the materials used in these systems need to be properly checked. They must also be free of organic debris and other contaminants before they can be safely placed in the chamber.
Types of vacuum pumps
There are various types of vacuum pumps. Which one to choose should depend on the purpose of the pump and the degree of vacuum that must be achieved. It is mainly divided into three categories: rough vacuum or low vacuum, high vacuum and ultra-high vacuum. They all have varying degrees of scarcity. The higher the pressure, the fewer molecules per cubic centimeter. This in turn improves vacuum quality.
The vacuum pump is critical to the operation of the vacuum system. These devices are divided into three main categories according to their working pressure range. These pumps have different characteristics and technologies that make them ideal for specific applications. The choice of vacuum pump required for a particular application depends on how much vacuum you need, and how much power you are willing to spend.
Vacuum pumps are used in a variety of industrial and scientific processes. Their main function is to remove gas molecules from the sealed volume, leaving a partial vacuum. There are many different types of vacuum pumps, including rotary piston, liquid ring and scroll vacuum pumps. In addition, turbomolecular pumps are used.
Dry vacuum pumps are more expensive than wet vacuum pumps. Wet vacuum pumps use oil as their lubricating fluid. Different types of oils are used depending on the application. Some wet pumps have additional features, including contaminant filtration. However, wet systems have one major disadvantage: the contact between oil and fluid. To avoid this, oil separators are usually used.
There are several different types of vacuum pumps. The basic type is the positive displacement pump. It operates by expanding the chamber and removing gas molecules. The intake valve draws fluid into the chamber, while the exhaust valve opens when the chamber is at maximum expansion. This cycle repeats several times per second. Positive displacement pumps are often used in multistage vacuum systems. 
Maintenance of vacuum pump
Regular maintenance is very important to ensure the long-term effective use of the vacuum pump. One way to ensure proper pump performance is to change the oil regularly. Pump oil may be contaminated by vapor condensation. To avoid this problem, close the inlet valve for 20 to 30 minutes before applying vacuum. It is also important to install an inlet cold trap to protect the pump from corrosive vapors.
Another way to prolong the life of your vacuum pump is to periodically remove any solvent in it. This step reduces internal corrosion and prevents premature pump failure. During maintenance, be sure to disconnect the power supply to the vacuum pump. After cleaning, store it in a dry and safe place. The pump should also be disposed of in accordance with local regulations.
Vacuum pumps may require frequent oil changes, especially when used in wet chemistry. The standard rule is to change the oil after 3,000 hours of use, but some pumps require more frequent oil changes. It is also important to clean the oil regularly, as dirty or discolored oil can affect the performance of the pump.
Vacuum pumps are often equipped with on-site glass to allow the user to visually check the oil level. Clean oil will appear transparent, while dirty oil will appear darker. Frequent oil changes are essential, as oil changes can help spot various potential problems. Changes in vacuum pump performance or strange noises are also good indicators of a problem.
After an oil change, the vacuum pump should be cleaned thoroughly with a soft cloth and mild degreaser. Oil changes should take less than ten minutes, and they will extend the life of your equipment. Additionally, the outside of the pump should be wiped with a cloth or rag.
The pump must be properly vented to avoid internal corrosion. If possible, place the pump away from hot equipment or rooms. Overheating can reduce the viscosity of the oil and cause premature pump failure. In addition, it can lead to overwork of other expensive scientific equipment. Heat can also cause cracked rubber parts and oil leaks. 
Signs of damage to the vacuum pump
A bad vacuum pump can cause a variety of automotive problems, including poor fuel economy, difficult braking, undercarriage oil leaks, and faulty air conditioning. If any of these problems occur, call a mechanic to check your vehicle’s vacuum pump. You can also check the air conditioner and brake pedal to see if they are working properly.
A loud noise from the pump can also be a symptom of a malfunction. These noises are often caused by the aging and accumulated wear of specific components. If this is the case, the diaphragm, valve plate or seals may need to be replaced. However, if the noise is coming from bearings or other areas, more extensive repairs may be required. Additionally, dust and other contaminants can enter the pump chamber, which can degrade pump performance.
If the vacuum pump won’t start, it could be a blown fuse or a power or voltage problem. Other common causes are flow restrictions or improper installation at the entrance. Also, the vacuum pump may be damaged or the capacitors may be of poor quality. It’s not always easy to tell if a vacuum pump is leaking oil, but a greasy transmission can indicate a vacuum pump failure.
A leaking vacuum pump can also hiss when the car’s engine is running. If you hear it, check the hoses and connections to make sure there are no leaks. A vacuum leak may indicate a faulty vacuum pump, so you need to replace it as soon as possible.
Checking end pressure is easy, but a pressure gauge can also serve as a sign. You can also check for pump vibration by running a short procedure. Excessive vibration can be subtle, but it can greatly affect your process. If you notice excessive pump vibration, you should contact a professional immediately.
Poor pump performance can cause many problems for your company. A bad vacuum pump not only wastes material, it also damages your tools and reputation.
editor by Dream 2024-05-06