China Standard CZPT W3.2/7 7bar Mining Air Compressor near me supplier

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Item Description

Diesel/ Electrical Mining Piston Transportable Mini Air Compressor for Rock Drill
one. energy conserving low cost 
two. protected and easy to operate 
3. ISO9001:2008,GC certifica 

Attributes of Mining Piston Portable Mini Air Compressor
a) Benefit plate and spring strip: manufactured of unique steel from Sweden and after particular treatment
b) Piston ring: unique design integral casting excellent adaptability cheapest lubricating oil usage.
c) Cylinder: manufactured of boron solid iron use resistant specific ideal for dust condition.
d) Cylinder cover: extrusion approach adopted streamlined external look good warmth emission efficiency.
e) Crankshaft: made from ductile solid iron exceptional magnesium alloy after heat treatment method and surface quenching
f) Easy composition,light weight, effortless to shift.
g) Simple running and routine maintenance. 

Compressors underneath assembled in workshop:

KAISHAN Team is found in HangZhou City ZHangZhoug Province, which handles an spot of 514,800 sq. meters with overall property of 1 billion pounds. There are far more 6000 staffs, which includes 1075 specialists serving for this group firm. 
ZHangZhoug CZPT Compressor Co., Ltd. is the biggest compressor and pneumatic equipment company in China. In 12 months 2571 it made and delivered a overall volume of 27,000pcs screw compressors units and 200,000pcs piston compressors models for domestic and oversea marketing. 
KAISHAN compressor has a comprehensive vertical built-in manufacturing line from foundry plant, air head plant, air receiver plant, sheet metal plant, warmth exchanger plant to the ultimate device and system assembling plant. 
We are above fifty a long time specialist maker of air compressor and drilling instruments and we are authorized with CE, ISO9001, ISO14001, ASME, GC Energy saving certificate etc. 

Our Equipment utilized in different countires and mining internet site
FAQ Collection:

Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves investing company.

Q2: What the precisely address of your manufacturing facility?
A2: Our manufacturing unit is positioned in No.9 Kaixuan Ave West,Economic Zone HangZhou, ZHangZhoug, China

Q3: Guarantee phrases of your device?
A3: A single yr guarantee for the equipment and complex help in accordance to your demands.

This fall: Will you provide some spare components of the machines?
A4: Of course, of course.

Q5: What about the voltage of merchandise? Can they be custom-made?
A5: Our regular voltage is 380V, 50HZ, 3phase. The voltage can be customized in accordance to your equirement.

Q6: Which payment term can you acknowledge?
A6: thirty% T/T in innovative, 70% T/T towards the B/L duplicate.

Q7: How long will you consider to prepare creation?
A7: we can delivery the typical goods inside of 7-15 days. Other nonstandard electrical things we will delivery in 25-thirty times.

Q8: Can you accept OEM orders?
A8: Sure, with expert design and style group, OEM orders are very welcome.

Q9: Which trade time period can you take?
A9: Accessible trade conditions: FOB, CIF, CFR, EXW, CPT, and so on.

                           Specification for mining piston air compressor
Model W-3.2/7 W-3.2/7-D W-3.2/7-ZD
Diesel belt driven Electric belt driven Electric direct driven
Exhuast Volune (m3/min) 3.2 3.2 3.2
Exhuast Pressure (Mpa) 0.7 0.7 0.7
Cylinder(Dia*Qty) 125*3 125*3 125*3
Diesel Engine/Motor S1125 Diesel Engine,25HP 18.5KW/25HP 18.5KW/25HP
air tank capacity (L) 230 230 230
Dimension (L*W*H) mm 1960*900*1250 1960*900*1250 1960*900*1250
Weight (kg) 550 550 550
                           Specification for mining piston air compressor
Model W-3.2/7 W-3.2/7-D W-3.2/7-ZD
Diesel belt driven Electric belt driven Electric direct driven
Exhuast Volune (m3/min) 3.2 3.2 3.2
Exhuast Pressure (Mpa) 0.7 0.7 0.7
Cylinder(Dia*Qty) 125*3 125*3 125*3
Diesel Engine/Motor S1125 Diesel Engine,25HP 18.5KW/25HP 18.5KW/25HP
air tank capacity (L) 230 230 230
Dimension (L*W*H) mm 1960*900*1250 1960*900*1250 1960*900*1250
Weight (kg) 550 550 550

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.

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