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China manufacturer 15HP 30HP 50HP Oil Free Silent Oilless Screw Air Compressor with Air Dryer portable air compressor

Product Description

15HP 30HP 50HP Oil Free Silent Oilless Screw Air Compressor With Air Dryer


Main Features:

1. The flexible belt will be automatically tensioned in use. Through adjusting the tension, minimize the loss of pressure and power, to enhance the efficiency of compression.

2. Using the precise spin-oil separator and special two-pole buffer separation, it can minimize the oil consumption, guarantee the outlet gas purity, and extend the lifetime of filter elements.

3.  With the toothed V-belt, it has good heat dissipation, long life, higher gear drive and transmission efficiency, as high as over 98%.

Oil FilterGood Quality filters ensure longer working life and save the maintenance time and cost.

Stainless Steel Hoses: High and low temperature resistant, high pressure resistant. 

Compressed Air Vessel: Reduction of pressure drops and energy costs, quality air with low oil content.

Air End: Imported DLOL air end, advanced profile design. 

Electric Motor: Premium efficiency Totally TEFC IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc.

Air Filter: Two-stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-duty environment. 

Cooler: High quality aluminum material, alternating expression cooler fins, ensure the perfect radiating effect.

Technical parameters:

Our workshop:


After-sales Service: Free Spare Parts
Warranty: One Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical



Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only one motor, they are lightweight, compact, and easy to handle. Using one air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal one does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.


Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has one of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, four times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing one for your industrial applications.


A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has one cylinder and two valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery one controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, one piston, and one air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage one is suitable for larger-scale arsenals.


The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting two output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.


The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure twenty to forty PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least forty to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as fifty percent on and twenty-five percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by one percent.

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately four amps of power. A one-horsepower compressor would draw about twelve amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with three electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China manufacturer 15HP 30HP 50HP Oil Free Silent Oilless Screw Air Compressor with Air Dryer   portable air compressorChina manufacturer 15HP 30HP 50HP Oil Free Silent Oilless Screw Air Compressor with Air Dryer   portable air compressor
editor by CX 2023-06-07

China OEM Portable Dental Oilless Oil Free Silent Air Compressor wholesaler

Solution Description

Moveable Dental Oilless Oil Free of charge Silent Air Compressor
Swift Specifics:

Merchandise Description:                                                                                                                                                                 
Solution Parameter: 

Packaging: Regular Export carton.
One particular packed in 1 carton, 6pcs as 1 layer on pallet, 3 levels as 18pcs load well on 1 pallet. 
Direct Time:    

CZPT Add-ons:
With silent cupboard as selection to hold considerably reduce operating sounds to preserve a silent working environment!
Connected Merchandise:

We also supply a selection of air compressors for your decision.

ZheJiang Greeloy, who is the leading maker and exporter of dental items from China, our manufacturing facility is situated at Xihu (West Lake) Dis. Industrial Zone, ZheJiang .
We start off organization with dental air compressor, with marketplace comments, we have some new items collection, this sort of as the portable dental unit, portable dental mild, foldable dental chair, dental suction unit, exteral oral suction unit, sewage treatment method method, and so on.
Since estabmishment, we are focus on building high high quality products, with CZPT management thought, we maintain substantial quality and realistic value for all clients for all more than the entire world.
“Reputation 1st! Good quality 1st!! Clients very first!!!”, Greeloy’s philosophy explains our vigor and sincerity. Clinched a deal is not the termination of cooperation, but the provider to commence!
Production Traces:

Most of our products have passed CE, ISO, RoHS, Fda, welcome to make contact with us for cooperation.

Q1: Are you CZPT manufacturer?
A1: Sure, we are CZPT maker, our manufacturing facility is in ZheJiang .
Q2: What is the MOQ?
A2: 1pc only, just diverse order quantity work with different discount.
Q3: What is our warranty?
A3: 1 yr after shipping.
This fall: Does this dental air compressor could meet the voltage in our place?
A4: Yes, we supply to our customers from all above the planet. When issuing the Proforma Bill for you, we would mark the data about electric energy supply and plug fashion for your confirmation.
Q5: May I know the shipping cost?
A5: You should affirm your buy quantity, and send out us your shipping address with postal code, so as to compute the most recent transport cost for you.

How to Pick the Appropriate Air Compressor

An air compressor utilizes pressurized air to electricity a selection of resources. They are most typically employed to electricity nailers and influence wrenches. Other common uses for air compressors incorporate paint sprayers and effect wrenches. Whilst all air compressors have the same basic building, their specialty differs. In the end, their differences appear down to the volume of air they can press. Study on for info on each sort of air compressor. These resources are excellent for a lot of different needs, and choosing the correct air compressor relies upon on your distinct requirements.

Electric powered motor

Although buying an electrical motor for air compressor, compatibility is a crucial element. Not all motors operate with the exact same variety of air compressor, so it is crucial to check out the manufacturer’s guidelines before acquiring. By undertaking this, you can stay away from throwing away funds on an incompatible motor. An additional important thing to consider is speed. A motor’s pace is its charge of rotation, measured in revolutions per moment. It is crucial that you purchase a motor with sufficient speed to satisfy the needs of your air compressor.
Usually, an electric powered motor for air compressor is 1.5 hp. It is perfect for use with health-related gear and metallic-slicing machines. It also performs nicely underneath continuous procedure and provides a high efficiency and energy-saving overall performance. In addition, it attributes an eye-catching cost, generating it a good decision for a wide range of programs. If you are seeking for a motor for an air compressor, appear no further than a ZYS collection.
A motor’s safety course signifies how the motor will operate. Protection courses are specified by the IEC 60034-5. These are stated with two digits and signify the defense towards solid objects and h2o. For case in point, an IP23 rating indicates that the motor will be protected from solid objects, even though IP54 implies that it will protect from dust and water sprayed from all instructions. It is crucial to select a motor with the correct defense class for your air compressor.
When deciding on an electric motor, you ought to take into account whether it really is compatible with the manufacturer of air compressor. Some could be appropriate, even though other people may need superior electronics abilities to mend. Nevertheless, most air compressors are protected by warranty, so it truly is critical to examine with the producer if the warranty is still in impact before you spend a dime on a replacement. The motor should be replaced if it has unsuccessful to carry out as designed.

Oil bath

Air compressors demand suitable lubrication to operate successfully. The piston must attract air with small friction. Based on their design and style, air compressors can both be oil-lubricated or oil-cost-free. The previous uses oil to minimize piston friction, while the latter splashes it on the cylinder bearings and partitions. This kind of air compressors are typically identified as oil-flooded air compressors. In order to keep their oil baths clean, they are suggested for use in spots with high dust ranges.

Begin/stop management

An air compressor can be managed by a commence/quit management. This type of control sends a signal to the major motor that activates the compressor when the demand for air falls under a preset limit. This management approach is effective for smaller sized air compressors and can be beneficial for decreasing power charges. Start off/stop management is most successful in apps where air force does not adjust often and the place the compressor is not required to operate continually.
To troubleshoot this issue, you need to verify the energy supply of your compressor. To verify the provide facet, use a voltage monitor to determine if electricity is flowing to the compressor. Make certain that the energy supply to the compressor is regular and steady at all moments. If it fluctuates, the compressor may not begin or end as predicted. If you can’t find the difficulty with the air compressor power offer, it may be time to change it.
In addition to the commence/stop manage, you might want to purchase added air receivers for your air compressor. These can enhance the ability of air saved and reduce the number of occasions it starts off and stops. One more way to lower the quantity of begins for each hour is to incorporate far more air receivers. Then, you can change the handle to match your specifications. You can also set up a pressure gauge that screens the compressor’s overall performance.
Start/quit manage for air compressors can be complicated, but the fundamental elements are reasonably easy to realize. One way to examination them is to flip the compressor on or off. It is normally situated on the exterior of the motor. If you might be uncertain of the spot of these elements, check out the capacitors and make certain that the air compressor is not working while you happen to be not using it. If it does, try out to remove the capacitor.
Variable displacement control is another way to alter the volume of air flowing into the compressor. By managing the quantity of air, the manage can delay the use of extra compressors until much more necessary air is obtainable. In addition to this, the unit can also monitor the energy used in the compressor. This control strategy can consequence in sizeable strength savings. You can even preserve on the amount of electrical energy by making use of variable displacement management. It is important for successful compressed air methods.

Variable pace drive

A VFD, or variable frequency drive, is a sort of electrical motor that adjusts its velocity to match the need for air. It is an efficient way to reduce energy costs and increase method reliability. In truth, scientific studies have proven that a 20% reduction in motor speed can preserve up to 50% of energy. In addition, a VFD can keep an eye on additional variables such as compressor oil force and motor temperature. By removing guide checks, a VFD will increase the functionality of the software and reduce running costs.
In addition to reducing strength expenses, variable-speed drives also improve efficiency. A variable-speed air compressor decreases the threat of system leaks by 30 %. It also minimizes the threat of method leaks by minimizing pressure in the program. Due to the fact of these positive aspects, a lot of governments are promoting this engineering in their industries. Numerous even provide incentives to assist companies update to variable-velocity drives. Consequently, the variable-speed generate can advantage numerous air compressor installations.
One particular major gain of a variable-velocity drive is its potential to improve power use. Variable frequency drives are ready to ramp up and down to match the demand for air. The purpose is to improve the stress and movement in the system so that the ideal “useless band” happens in between forty p.c and eighty per cent of total load. A variable-velocity compressor will also enhance energy performance simply because of its programmability.
A variable-velocity air compressor can also be utilized to management the volume of air that is compressed by the program. This function adjusts the frequency of energy equipped to the motor primarily based on the desire. If the need for air is reduced, the frequency of the motor will reduce to save vitality. On the other hand, if there is an excess need for air, the variable-velocity compressor will improve its velocity. In addition, this sort of air compressor is a lot more productive than its mounted-pace counterpart.
A VFD has many rewards for compressed air systems. Very first, it aids stabilize the force in the pipe network, therefore lowering the electricity losses because of to upstream stress. It also will help minimize the electricity intake induced by fluctuations in upward force. Its benefits are also far-reaching. And as lengthy as the air strain and air source is appropriately sized, a VFD will assist improve the effectiveness of compressed air techniques.

China OEM Portable Dental Oilless Oil Free Silent Air Compressor     wholesaler China OEM Portable Dental Oilless Oil Free Silent Air Compressor     wholesaler