China 75kw/100HP Two Stage Permanent Magnet VSD Rotary Screw Air Compressor

Product Description

Product Description

75kw/100HP Two Stage Permanent Magnet VSD Rotary Screw Air Compressor 

Permanent magnet variable frequency 2 stage screw air compressor:
1. Constant pressure control: It can realize high-precision constant pressure control with a pressure fluctuation range of 0.01 MPa;
2. Variable frequency soft start: Eliminate the CZPT current when starting, avoid grid impact, avoid current impact through step-by-step speed adjustment, and improve flexibility
3. Prevent no-load: The compressor is no-load during operation, reducing ineffective energy consumption;
Permanent magnet motors use high-efficiency rare earth magnets, no loss of magnetism at 180°C, and long service life; energy saving is about 6% to 7% compared with ordinary frequency conversion motors;
It can exert the highest efficiency in a wider range and make the air compressor more energy-saving.

Technical Parameters

Model Air Delivery (m3/min) Power
(kW)
Noise
(Db)
Outlet
diameter
Dimension (mm) Weight
(Kg)
0.7Mpa  0.8Mpa  1.0Mpa  1.3Mpa  L * W * H
RK30APMII 4.3 4.1 3.5 2.7 22 68 G11/2 1500x1000x1350 650
RK40APMII 6 5.9 4.7 3.9 30 68 G11/2 1500x1000x1350 700
RK50APMII 7.1 6.9 5.8 5.4 37 68 G11/2 1500x1000x1350 750
RK60APMII 10 9.5 7.8 6.8 45 72 G2 2100x1300x1650 1250
RK75APMII 13 12.5 9.2 7.5 55 76 G2 2100x1300x1650 1300
RK100APMII 15.5 15.2 12 10.2 75 76 G2 2100x1300x1650 1350
RK125APMII 19.8 19.5 15 14 90 76 DN80 2500x1650x1900 2700
RK150APMII 24 23 19.2 16 110 76 DN80 2500x1650x1900 2800
RK180APMII 27.5 27 23.7 19 132 78 DN80 2500x1650x1900 3000
RK220APMII 33 32.5 27.5 22.5 160 78 DN80 3000x1900x1950 4300
RK250APMII 39 36 32 27.5 185 78 DN80 3000x1900x1950 4400
RK275APMII 43.5 41 35.5 31.5 200 78 DN100 3600x2200x2200 5000
RK300APMII 51.5 48.3 38.5 35.5 220 82 DN100 3600x2200x2200 5500
RK350APMII 54 51 45 38 250 82 DN100 3600x2200x2200 6000
RK380APMII 60 57 50 43 280 82 DN125 4000x2300x2300 6800
RK420APMII 65 62 56 50.5 315 82 DN125 4000x2300x2300 7000
RK480APMII 75 73 64 55 355 82 DN150 4200x2200x2350 8500
RK540APMII 84 82 72 61 400 82 DN150 4200x2200x2350 9000

Two stage air end
Feature:Two-stage compressor air-end
Advantage:Low compression ratio, Low temperature rising, Low air leakage
Benefit:15% energy-saving

High-efficiency Motor
Feature:IE4 permanent magnet motor/IE4 High-efficiency motor
Advantage:Motor efficiency 97%
Benefit:5% energy-saving

Intelligent control
Feature:VFD system
Advantage:Constant pressure output to remove pressure fluctuation and off-load, Constant temperature output at 9-~85°C, Low starting current to protect components
Benefit:15% energy-saving

Smart display screen
Feature:Intelligent control system
Advantage:10 inch monitor to show all the date
Benefit:Simple operation and touble free

Cooling fan
Feature:Large cooler system
Advantage:Axial flow Fan used for good cooling effect
Benefit:Allow ambient temperature at 52°C

Systematic Design of Oil separator
Feature:Large oil system
Advantage:Reduce internal pressure loss avoid oil, Leakage for safety
Benefit:3% energy-saving

Filter
Feature:Double filtering system
Advantage:Remove impurity from air and cleanness
Benefit:Longer life air -end and lubrication oil

Air inlet valve
Feature:High vacuum degree:700mmHg
Advantage:Large suction area, Low load energy consumption in unloaded operation, 
Fast check: prevent unloading and shutdown oil injection
Benefit:Cast aluminum to avoid rust and temperature change

Certifications

Packaging & Shipping

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package
(for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Successful cases

Company Profile

ZheJiang CZPT Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look forward to working with you to create a better tomorrow!

 

After Sales Service

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in CZPT air compressor factory or working site.
5.All kinds of technical documents in different languages.

FAQ

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
air-compressor

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
air-compressor

Single-stage

The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
air-compressor

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China 75kw/100HP Two Stage Permanent Magnet VSD Rotary Screw Air Compressor  China 75kw/100HP Two Stage Permanent Magnet VSD Rotary Screw Air Compressor

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