China Custom 10HP 7.5kw 100% Oil Free Water Cooling Stationary Screw Oil Free Air Compressor for Pharmaceutical Industry mini air compressor

Product Description

Product Details

Product Name: 10hp 7.5kw 100% Oil Free Water Cooling Stationary Screw Oil Free Air Compressor For Pharmaceutical Industry
Model number: ZW-7.5
Maximum Pressure:10BAR/145PSI
Working Pressure: 7 – 10bar (100 – 145psi) 
Air Delivery/capacity: 1 – 1.2m3/min 
Motor Power: 7.5kw/10hp 
Lubricating Water Amount: 20 L
Rotation Rate : 2940 rpm
Noise Level: 70 dBA
Type of Driving: Directly Driven
Type of Cooling: Air Cooling/Water Cooling 
Dimension: 1135×800×1000 mm
Weight: 480kg
Air Outlet Discharge Size: G1″

Parameters

MODEL  MAXIMUM WORKING PRESSURE FREE AIR DELIVERY* OF UNIT AT WORKING PRESSURE MOTOR NOISE LEVEL Lubricating Water Rotation Rate AIR OUTLET DISCHARGE SIZE WEIGHT DIMENSIONS
Amount
Bar PSI l/s CFM m3/min kW HP dBA L rpm (mm) KG (mm)
ZW-7.5 7 102 20 43 1.2 7.5 10 61 20 2940 G1 480 1135×800×1000
8 116 18 39 1.1
10 145 17 36 1
ZW-11 7 102 27 57 1.6 11 15 61 20 2940 G1 500 1135X800×1000
8 116 25 54 1.5
10 145 22 46 1.3
ZW-15 7 102 40 86 2.4 15 20 61 27 2940 G1 520 1400×1000×1200
8 116 38  82 2.3
10 145 33  78 2
ZW-18.5 7 102 52 111 3.1 18.5 25 61 27 2940 G1 520 1400×1000×1200
8 116 47 100 2.8
10 145 42 89 2.5
ZW-22 7 102 62 132 3.7 22 30 61 27 2940 G1 560 1400×1000×1200
8 116 57 121 3.4
10 145 50 107 3
ZW-30 7 102 87 186 5.2 30 40 64 40 2940 G11/2 1050 1920×1170×1320
8 116 78 168 4.7
10 145 72 154 4.3
ZW-37 7 102 102 218 6.1 37 50 66 40 2940 G11/2 1050 1920×1170×1320
8 116 93 200 5.6
10 145 83 179 5
ZW-45 7 102 125 268 7.5 45 60 66 40 2960 G2 1610 1920×1170×1320
8 116 113 243 6.8
10 145 100 214 6
ZW-55 7 102 167 357 10 55 75 66 100 2960 G2 1610 1930×1320×1535
8 116 150 321 9
10 145 130 214 7.8
ZW-75 7 102 271 357 13 75 100 70 100 2960 G2 1880 1930×1320×1535
8 116 200 321 12
10 145 167 279 10
ZW-90 7 102 258 464 15.5 90 125 70 180 2970 DN80 2700 2150×1600×1000
8 116 233 429 14
10 145 208 357 12.5
ZW-110 7 102 333 554 20 110 150 72 200 2970 DN80 3100 2150×1600×1000
8 116 300 500 18
10 145 267 466 16 
ZW-132   7 102 417 893 25 132 180 72 240 2970 DN80 3250 2150×1600×1000
8 116 383 821 23
10 145 333 814 20

Advantages

√ Simple
One screw rotor and 2 gate rotors which are positioned at right angle to the axis constitute 2 compressing rooms. Therefore, the screw rotor with 6 grooves compresses as many as 12 times per rotation.
√ Quietness
Without applying thrust load to the axis direction of the rotor, the force in the circumference direction rotates quietly with good balance. As a result, the load to the bearing is lightened, minimizing the generation of noise or vibration.
√ Durability
The gate rotors are rotated following the rotation of the screw rotor along its gear. The water film formed on the screw rotor’s gear and the free floating mechanism maintains the high efficiency for a long time (in case of water lubrication).
√ High Efficiency
Since the lubrication water is jetted in the compressing process, the compression is done smoothly under almost even temperature, realizing ideal, safe and highly efficient compression with slow rotation (in case of water lubrication).

Comparison Water Lubricated oil-free single screw air compressor Dry oil-free double screw air compressor
Air Discharge Temp About 50ºC About 180-200ºC
Clearance Volume Rotor has been used twice through 1 circulation
No clearance volume left
Rotor has been used once through 1 circulation 
Existing clearance volume
Air Delivery Ideal isothemal compression,air delivery volume5%-12% more Energy lost due to hot air discharge
Efficiency Normally:59-6.4 kw/(m3/min) Normally:6.0-6.6 kw(m3/min)
Air Quality 100% oil-free Oil in the gear,high risk of air quality
Air Purity Purified by water,clean air after separation Directly compressed then discharge,containing dust and oil stain
Structure Balance Radial and axial loads cancel each other Radial load is not been balanced
Noise and Vibration Simple structure,Low vibration and less noise,Normally:60-65 dB(A) High frequency noise due to screw grinding,Normally:64-78 dB(A)
Durability Rotation speed 3000r/min,theoretically zeao load,long lifetime of screw(30000h),star wheel(50000h) Rotation speed 18000r/min,high loads on crews,short lifetime of screw(8000-18000h)
Installation Only a few spare parts,canbe installed and adjusted separately Complex construction,needs special technical support for installation
Maintenance Only replaced air filter and water filter,easy maintenance and low cost Many spare parts and less maintenance cycle,high cost

Application

Technical Solutions

Does the water corrode the air compressor system?
Water lubricated compressor is desirable to use pure drinking water standards,parts and materials is conform to the international standard grades of 304 and 316 stainless steel,will never rust.
Does the water affect the service life of bearings?
Uses a high-tech nanotechnology,customized silicon carbide bearing and ceramic bearing,lubrication with water directly,won’t any problems
Will the efficiency of water lubrication oil free compressor go down?
Technology is the only truly grasp the essence of a single screw manufacturing company in the world,inherited the Germany hundred processes and technologies,so the air end warranty for 2 years,the service life of up to 10 years or more,a single screw air end efficiency does not decrease more than 5% after 6 years.
Does the water form scale?
System uses pure water which is accord with driking water standards,water has been circulating in the system;and every 200hours total,the system will automatically change the water,make sure the water dows not increase the calcium content,and actively running a tempreature not higher than 50ºC,there is no risk of fouling.
Is the water content in water lubrication compressor air high?
After air compression,the water content has reached saturation,the water content of the compressed air only related to the tempreature,there is no relationship with other,the temperature of the compressed air generated by water lubrication unit is not higher than 50ºC,so the water lubricated compressed air moisture than other types of compressors units.

Sales Service

 Professional online consultant to solve your question about compressor system.

√ Free site design consultant, and energy saving solution to help you save operation cost.

√ Negotiable technician available to service machinery overseas.

√ Online professional after-service until solve the problem.

√ 1 year warranty after commissioning or 16 months against shipping date, it depends on which 1 come firstly for the whole
machine(except maintenance consumable).

√ A sufficient number of spare parts are available, make sure the good after service.

Certificate

About Mikovs
 

Mikovs Compressor      

  • Founded in 2011
  • Main product: air compressors, air dryers and air filters
  • Professional R&D team, accept customization order
  • Strong quality control team, quality is strictly controlled
 

RFQ

Q1. Are you trading company or manufacture ?

A: We are professional manufacture of screw air compressor more than 8 years.

 

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.Worldwid 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.Raw- material in checking.

  2.Assembly.

 3.Worldwid after service available.arrange our engineers to help you training and installation.

 

 

Q9. Do you offer OEM service ?

A: Yes.

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Customization:
Available

|

air-compressor

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China Custom 10HP 7.5kw 100% Oil Free Water Cooling Stationary Screw Oil Free Air Compressor for Pharmaceutical Industry   mini air compressorChina Custom 10HP 7.5kw 100% Oil Free Water Cooling Stationary Screw Oil Free Air Compressor for Pharmaceutical Industry   mini air compressor
editor by CX 2023-06-13

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