Solution Description

Product Description

Model: RK-75A
Free air shipping:  9.4 m3/min
Working pressure: 8 bar
Control: automated PLC controller
Pushed: direct driven, elastic coupling
Cooling: by air
Electric motor: 75hp 55kw 380V/50hz/3ph
Discharge temperature: much less than ambient +8 ºC
Noise: considerably less than 72 dB(A)
Air outlet size: G2″
Dimension: 1700*1200*1550mm
Fat: 950kg

Complex Parameters


Software business



Packaging & Delivery

one.Packing Details: Plywood crate pallet in addition foam board and bubble movie, Total shut picket circumstance. 1pcs/every package deal (for stationary screw air compressor)
two.Shipping and delivery strategy: by sea, by LCL/FCL or as requested
three.Shipping and delivery technique: FOB, CFR, CIF and EXW and so forth.
4.Shipping and delivery time: in 7-15 times following acquiring deposit (tailored equipment not provided)

Organization Profile


Payment and shipping



Q1. Are you buying and selling organization or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 a long time of experience in air compressor producing.

Q2. How lengthy is the shipping and delivery time ?
A: For common voltage ,15 operating days. Non-common ,you should speak to our revenue.

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

This autumn. How about your soon after-sales support ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Nicely-trained engineers accessible to overseas support.
     3.Throughout the world agents and following service avaiable.organize our engineers to aid you instruction and set up.

Q5. How about your guarantee?
A: 1 yr for the total device and 2 many years for screw air end, except consumable spare areas.

Q6. Do you have any certificate ?
A: Indeed, for every different customer’s market place need to have ,we can supply CE ,ISO and many others certification.

Q7. What about the maintenance ?
A: 1st maintenance want to be done after 500Hours, and then each and every 2000-3000 hours to do the typical routine maintenance, and take into account the actual setting.

Q8. How do you management high quality ?
A: 1. The uncooked components are strictly inspected
     2. Some essential areas are imported from overseas
     3. Every single compressor must pass at minimum 5 hrs of continuous testing ahead of leaving the manufacturing facility.

Q9. Do you offer OEM services ?
A: Sure.Both OEM & ODM support can be acknowledged.

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

What to Look For When Purchasing an Air Compressor

An air compressor is a quite useful instrument that can aid you comprehensive many various types of building employment. This useful machine tends to make numerous tasks a lot simpler, but not all of them are created equally. Comprehension what to search for when getting an air compressor will assist you make an knowledgeable decision. Right here are some of the things you should search for. These consist of value, size, and vitality effectiveness. Also, make sure to think about the air compressor’s kind.

Single-phase air compressors are quieter

When it comes to sounds level, single-phase air compressors are the way to go. These machines have much less relocating elements and are quieter than two-phase models. Solitary-phase air compressors use an axial circulation design and can be quieter than their dual-stage counterparts. One-phase air compressors can run for a longer time and at reduced pressures. One-stage air compressors can be utilised for mild industrial applications. They have a extended existence expectancy, with some designs lasting for above 3 thousand hrs.
Whilst some solitary-stage air compressors are quieter than two-phase air compressors, equally models have sound-reduction features. 1 kind features rubber parts, which are made to dampen sound. Yet another function can make a compressor quieter: its place in close proximity to the job website. Some types attribute rubber foundation plugs and rubber mats to reduce flooring vibrations. In addition to making use of these characteristics, solitary-phase compressors are simpler to transport.
Sound amounts are important when deciding on an air compressor. Some machines are as well noisy for comfy work, and some businesses never want to expose consumers to sounds-generating air compressors. Other sounds stages can even endanger workers’ wellness. Solitary-phase air compressors are far more reasonably priced than twin-stage compressors. They are also quieter and much more potent. But be geared up for the noise. Some solitary-stage air compressors are nonetheless noisy.
When compared to their two-phase counterparts, one-stage compressors are quieter when running at total capacity. Nonetheless, double-stage compressors are quieter on reduced capacities than single-stage models. Those with variable pace are quietest at decrease capacities. The big difference is about 10db. If you are worried about the noise degree, you should consider a two-phase air compressor. But if you have a tiny workshop, it could not be appropriate for you.
A single-stage air compressors are generally much more successful than two-phase air compressors. The noise from a two-stage air compressor is lower simply because there is certainly no intermediate phase. One-stage air compressors also use a piston that rotates in a single stage, while twin-phase air compressors, also identified as duplex designs, are a lot more successful. A single-phase air compressor is quieter, but double-phase compressors are louder.

Two-stage air compressors are more vitality productive

Two-stage air compressors are a lot more energy-efficient than solitary-phase equipment. The effectiveness of two-phase air compressors is elevated by means of a blend of improved effectiveness and improved longevity. These devices can keep more air and have larger compression ratios. One particular model of a two-phase compressor can hold approximately eighty three cubic ft of air at one hundred PSI and 120 cubic feet at one hundred fifty PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more power-productive because they have two pistons as an alternative of 1. These air compressors accomplish a larger force score and recover far more rapidly. This type of compressor is perfect for employment that demand high air force for a extended period of time. In addition, they can function a number of resources concurrently. This tends to make them greater for professional and industrial use. Shown beneath are some benefits of two-stage air compressors.
Single-stage air compressors can power instruments in the garage or kitchen, but they are not as trustworthy for industrial purposes. Single-stage compressors have larger areas that tend to experience condensation. Furthermore, single-phase compressors do not last long in steady use and are significantly less power-efficient than two-phase types. Regardless of whether you happen to be using the compressor for a single tradesperson, a tiny crew, or a huge building crew, two-stage compressors are the best choice.
One-phase air compressors are usually used in modest-scale foodstuff preparing and creation. Single-phase air compressors are easy to transport among spots, and can be plugged into numerous electrical outlets. Solitary-phase compressors are also ideal for higher-quantity food processing. A twin-stage air compressor is excellent for industrial use. In some situations, you can even transfer the single-stage air compressor amongst two-stage air compressors.
One-stage compressors often cycle too swiftly, drawing more electric power than two-stage units. A variable velocity device stays on a lower speed for several hours at a time. Solitary-phase air conditioners pressure you to lower your thermostat options whilst one-stage air conditioners operate also usually. Each models are energy-efficient but they are not as vitality-efficient as variable-velocity compressors. The primary difference is that single-phase air conditioners tend to drain the electrical power resource more quickly.

Piston-pushed air compressors are quieter

A piston-driven air compressor is one particular of the quietest types of air compressors. It is considerably less noisy than reciprocating air compressors. A piston-driven air compressor can get to 62 decibels, even though a scroll compressor is around 50 % that quantity. The two principal factors of a scroll air compressor are the piston and the helical screw. These air compressors are equally really successful and tranquil.
Older compressors are incredibly noisy. They generate a “wumpa” sound related to a large engine. They are also capable of producing a higher-pitched whine. These noises can be deafening, especially in a modest workshop. That’s why it is important to look for a tranquil compressor. But what makes a compressor peaceful? Study on to discover much more about this important device.
One more distinction between piston-pushed air compressors and electric-driven air compressors is the power resource. Electric powered air compressors generate less noise than gasoline-powered compressors, which use an engine. Piston-driven air compressors are also far more successful. They also generate less warmth, making them an best option for offices and other configurations the place sound is a difficulty. The best way to make a decision in between the two types of air compressors is to check out the manufacturer’s guarantee and go through the ‘Description’.
Noise reduction is the initial priority of a compressor’s proprietor, so make certain that you have the correct product. If you happen to be doing work on something delicate, will not place the compressor as well near to a developing exactly where individuals may possibly be nearby. Sound can be extremely disruptive to the workspace and can cause health difficulties. To support battle sounds, you are going to want to acquire a silent air compressor. And never overlook to take into account its place: Piston-pushed air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are peaceful simply because the piston is manufactured of thin metal and much more rubber, which absorbs the audio. As opposed to reciprocating air compressors, piston-driven air compressors are far more productive than their dual-piston cousins, which are quieter and far more effective. So which type is correct for you? Just take a look at some of the major distinctions in between the two. If you want a quiet compressor, make confident it satisfies the requirements necessary by the job you might be doing work on.

Oil-lubricated air compressors are far more cost-effective

There are several reasons why oil-lubricated air compressors are much more costly than dry-kind air compressors. First of all, oil-lubricated air compressors have a tendency to be much more reliable and silent. Additionally, oil-lubricated air compressors call for fewer components and can last for a longer time than dry-type air compressors. These are just a handful of of the a lot of rewards of employing oil-lubricated air compressors.
Oil-free of charge air compressors have some negatives. They are much less sturdy and may possibly not be as productive as oil-lubricated designs. Furthermore, simply because oil-lubricated air compressors use oil, they can get really noisy. Even though they are much less expensive, they are not the greatest alternative for weighty-duty perform. Nonetheless, present day oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make positive to pick one with a tank ability that satisfies your demands and your area. Greater tanks can be a lot more high-priced than tiny tanks, but larger models are easier to shift close to. Also, be confident to think about the excess weight and dimensions of the moveable air compressors when producing your selection. If the fat is way too massive, you may have difficulties carrying it from spot to area.
Another benefit of making use of oil-lubricated air compressors is their decreased require for oil. These models can previous up to a 10 years lengthier than oil-totally free counterparts. Oil-free air compressors are a lot more inexpensive and can obtain the identical higher performance as their oil-lubricated counterparts. A lot of industrial applications gain from these air compressors. So, which a single is proper for you? We’ve listed a couple of of them beneath.
An additional advantage of choosing an oil-lubricated air compressor is the diminished expense of maintenance. This variety is more tough than its oil-lubricated counterparts, which require standard oil changes to preserve them operating effortlessly. Even so, it is not feasible to transportation an oil-lubricated compressor, which indicates that you must set up it forever to hold it operating effectively. In addition, these air compressors are challenging to move and are not portable, which can restrict your capacity to use it in a pinch.

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