Tag Archives: scuba diving compressor breathing air

China best 225 Bar/300 Bar High Pressure Portable Electric Scuba Diving Breathing Air Compressor air compressor repair near me

Product Description


Product Description

225 Bar/300 Bar High Pressure Portable Electric Scuba Diving Breathing Air Compressor

Technical parameter

Model: GDR-100E
Charging rate: 100L/min -3.5cfm
Filling cylinder time: 6.0L cylinder
Working pressure: Dive 225 Bar
Firefighting 330 Bar
Speed: 2300 Rpm
Driven by: Electric motor
Power: 2.2 kw 3 phase
Dimensions (L*W*H): 700*380*420mm
Weight: 46 Kg
Compression stage: 3
Lubricating type: Splash lubrication
Amount of lubricating oil: 0.36L
Opertating temperature: 5- 45 ºC
Oil/mosture separator: After last stage
Filtration: Filter cartridge activated carbon and molecular sieve
Suction filter: 2 CZPT paper – 25 CZPT polyester

Application industry

High-pressure breathing compressors are widely used in diving firefighting, paintball shooting, high-pressure pipeline pressure testing, marine lifesaving breathing inflation, sports, petroleum and petrochemical, medicine, marine engineering, air tightness testing, electricity, gas, precision instruments and other fields.


Packaging & Shipping

Company Profile




Payment and delivery


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.CZPT 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.


Shipping Cost:

Estimated freight per unit.

To be negotiated|

Freight Cost Calculator

After-sales Service: Online Support
Warranty: 24months
Lubrication Style: Oil-free



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.

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 two 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.


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 one cylinder, which means one stroke is required to move air from one 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 one 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 one air intake, and two-stage air compressors have two 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.

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 two 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 two models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and two 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 best 225 Bar/300 Bar High Pressure Portable Electric Scuba Diving Breathing Air Compressor   air compressor repair near meChina best 225 Bar/300 Bar High Pressure Portable Electric Scuba Diving Breathing Air Compressor   air compressor repair near me
editor by CX 2023-06-09

China Custom 400L/Min 300bar Breathing Air Compressor Scuba Diving & Firefighting for Sale with Hot selling

Item Description

Our business is a skilled large-force fuel compressor solution company, which can satisfy the requirements of various customers. As for the higher-stop desire in the discipline of medium and large-pressure compressors, and can gives end users with custom-made products and substantial-quality companies.

working principle

This merchandise is mass-created following style modifications and optimizations in accordance with the Italian model. The ultimate piston adopts a particular approach, and the piston ring adopts the Japanese Riken method. Unanimous praise from end users. This item adopts 3-cylinder 3-stage compression, splash lubrication, inter-phase safety valve and filter system. HC-W400 can provide secure compressed air for any industry that needs substantial-pressure pure air source, and offer safe compressed air that fulfills the needs of human breathing. This solution is created, produced and tested and accepted in accordance with the needs of GB/T 12929-2008 “Marine High Pressure Piston Air Compressor” the air good quality complies with EN12571 worldwide respiratory compressor respiration standard HC-W400 is a kind of air compression tools, it will be free of charge 1 kg (1bar/.1Mpa) of air in the state is compressed to a substantial pressure fuel of 300 kg (300bar/30Mpa) gauge force phase by phase. Right after the air flows by means of the separator and filter in the device, it is removed from the The oil and impurities in the substantial-stress air can filter the inhaled air containing good particulate matter (PM2.5) to a basic safety benefit of significantly less than ten micrograms, which fulfills the expectations set by the World CZPT Firm, making the exhaust fuel clean and tasteless. The personnel supply very purified, cleanse, odorless, secure and reputable compressed breathing air.

Principal parameters
one.Model: HC-W400Z(PLC Control System)
two.Operate force: 30Mpa  Mpa(300bar)
three. Displacement (inhalation condition): 400L/min  L/min
four.Kind:W-variety structure-3-cylinder 3-phase reciprocating piston compression
five.Travel:Electrical 380V/50Hz/7.5kw
6. Lubrication approach:Splash lubrication (meals grade CZPT 750-H2)
7. CZPT method:Air-cooled
8.Control manner:Automatic start and cease, computerized sewage discharge, temperature management program, period sequence protection operate, emergency quit perform, minimal noise,Lower temperature, minimal pace, contact display screen
nine.Cleanse air:1 air filtration, 2 oil-drinking water separation, 2 grade classification air purification
10.Security devices: Interval protection valve, stress keeping valve, computerized shutdown method, box-kind protective include
11. Packing dimension (length×width×height): 76×110×140cm
twelve. Excess weight: 290kg
13.Inflation velocity:6 liter bottle stuffed with 30Mpa about 5.5 minutes
14. Certified product: CE certification, MA check report
 15.Packing Record:Instruction manual, protection inspection report certification, 2 sets of inflation hoses and joints, and the machine has developed-in meals quality lubricants slip.

Merchandise composition and characteristics

The machine is outfitted with an automatic shutdown unit, the shutdown force can be set freely, and it is geared up with a time working timer to help the maintenance time
two fuel cylinders can be crammed at the exact same time (1 bottle is advisable, the charging velocity is more rapidly)
Large-energy all-copper core wire tailored motor, steady power output, mild commencing load
The protective go over adopts plastic spraying procedure, which is not effortless to scratch and rust (some producers use spray paint, which is lower price and straightforward to drop off and rust)
Super robust triangle belt, powerful stress, and put on-resisting and substantial-temperature resistance
Shockproof stress gauge ~5800psi/400bar, accurate pressure worth
The reinforced metal plate base is geared up with anti-vibration pads, so the tools operates more smoothly
Substantial-toughness nylon CZPT enthusiast, far better warmth dissipation result
The lower strain adopts pink copper tube, which has better heat dissipation functionality, and the high force adopts stainless metal tube to make certain the safety of output stress
The CZPT parts are equipped with protective cover units, and basic safety valves and automatic shutdown programs are set up at all amounts to ensure the security of operators motor push or gasoline engine travel can be selected to fulfill the air provide demands underneath a variety of conditions
Configure precision air filter (personalized wire mesh filter component)

two-stage oil-water separator (regular with manual blowdown, CZPT computerized blowdown) Ultimate classification air CZPT system (standard with guide blowdown, CZPT automatic blowdown) Two-phase purification, first deodorizes h2o, then deodorizes (most makers Undertake 1 level mixed CZPT to save production value)
The final stage adopts the piston ring process, and only the piston ring wants to be replaced if worn (most manufacturers do not use the previous phase piston ring method, following the dress in, a full established of pistons and cylinders require to be replaced, and pricey add-ons are necessary)
The stop utilizes a force upkeep valve, deep air filtration, and prolongs the life of the filter component, and uses an alloy aluminum everlasting filter element, replaceable filter aspect material, conserving later on use costs (some makers have no force servicing valve and use disposable CZPT Main, help save manufacturing value, increase later use price)
The areas in make contact with with gas, such as cylinders and filter cartridges, are cleaned with alcoholic beverages just before leaving the manufacturing unit, and tested with meals-quality lubricating oil, and they are all debugged ahead of leaving the factory.

Primary software
            Diving bresthing                                                                  Hearth Bresthing

Hearth breathing application: Equipped in the fuel supply stations of the fire brigade or various fire-combating autos, it supplies emergency gas provide at the scene of a fire or in the rescue and reduction procedure, so that the bulk of firefighters will be uncovered to different environments this kind of as dense smoke, poisonous gas, steam or oxygen deficiency. Respiratory substantial-purity, clear, odorless, secure and reputable compressed air guarantees that fireplace extinguishers can securely and properly have out fire battling, rescue, disaster reduction, and rescue.
Diving respiration application: Diving golf equipment, diving lovers, marine breeding, maritime rescue, shipboard equipment, underground operations, fishery fishing, aquaculture, sunken item salvage, underwater engineering, water parks, shipbuilding and other industries, offering divers with large purification, clear and tasteless , Safe and reputable compressed breathing air. In an atmosphere that cannot fulfill the demands of the human entire body for typical breathing, the air is crammed into a higher-strain gas cylinder for human respiration.

Product exhibit


If you want us to give you with comprehensive technological style and quotation, please provide the adhering to technical parameters, and we will reply to your e mail or cellphone within 24 hrs.

1.Circulation: _____ Nm3 / hour

two.Strain: _____Bar(MPa)

three. How many cylinders to fill

four. Whether it demands to be stuffed every day


What to Seem For When Buying an Air Compressor

An air compressor is a quite helpful instrument that can support you comprehensive a lot of diverse kinds of development jobs. This useful device helps make numerous duties significantly less difficult, but not all of them are developed similarly. Comprehending what to search for when purchasing an air compressor will support you make an informed selection. Right here are some of the issues you ought to search for. These incorporate price, dimension, and strength efficiency. Also, make positive to consider the air compressor’s kind.

One-phase air compressors are quieter

When it will come to sounds degree, single-stage air compressors are the way to go. These equipment have less relocating elements and are quieter than two-phase versions. Solitary-stage air compressors use an axial movement style and can be quieter than their twin-stage counterparts. One-phase air compressors can run more time and at reduced pressures. Single-stage air compressors can be utilized for light industrial applications. They have a extended daily life expectancy, with some versions long lasting for above three thousand hrs.
Although some solitary-stage air compressors are quieter than two-phase air compressors, both designs have sound-reduction functions. One sort features rubber components, which are made to dampen sound. An additional characteristic makes a compressor quieter: its place near the work site. Some designs attribute rubber foundation plugs and rubber mats to reduce flooring vibrations. In addition to making use of these functions, one-phase compressors are simpler to transportation.
Sound stages are critical when picking an air compressor. Some equipment are also noisy for relaxed function, and some businesses will not want to expose clients to sounds-producing air compressors. Other sound levels can even endanger workers’ wellness. Solitary-phase air compressors are far more affordable than dual-phase compressors. They are also quieter and much more strong. But be geared up for the sound. Some one-stage air compressors are nevertheless noisy.
In contrast to their two-phase counterparts, solitary-stage compressors are quieter when running at full capability. However, double-phase compressors are quieter on low capacities than single-phase units. These with variable velocity are quietest at decrease capacities. The difference is about 10db. If you are worried about the noise level, you need to take into account a two-stage air compressor. But if you have a little workshop, it could not be ideal for you.
1-stage air compressors are usually far more efficient than two-phase air compressors. The sound from a two-stage air compressor is reduce due to the fact there is certainly no intermediate phase. Solitary-phase air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex versions, are far more efficient. A solitary-stage air compressor is quieter, but double-phase compressors are louder.

Two-phase air compressors are far more power effective

Two-stage air compressors are more vitality-productive than single-phase devices. The effectiveness of two-stage air compressors is enhanced through a blend of enhanced effectiveness and increased longevity. These devices can keep far more air and have higher compression ratios. 1 design of a two-stage compressor can hold roughly eighty three cubic toes of air at 100 PSI and a hundred and twenty cubic feet at a hundred and fifty PSI. A two-stage compressor is also quieter.
Two-stage air compressors are far more energy-productive simply because they have two pistons instead of one particular. These air compressors attain a higher force ranking and recover more swiftly. This kind of compressor is perfect for employment that call for higher air force for a prolonged period of time of time. In addition, they can operate several instruments at the same time. This tends to make them much better for business and industrial use. Listed below are some advantages of two-phase air compressors.
One-stage air compressors can electrical power tools in the garage or kitchen, but they are not as trustworthy for industrial purposes. Single-stage compressors have bigger areas that tend to encounter condensation. Furthermore, single-stage compressors do not final prolonged in continuous use and are considerably less power-effective than two-phase kinds. Whether or not you are employing the compressor for a solitary tradesperson, a modest crew, or a huge construction crew, two-stage compressors are the very best option.
One-phase air compressors are typically utilised in tiny-scale foodstuff preparing and generation. One-phase air compressors are easy to transportation among areas, and can be plugged into numerous electrical stores. Solitary-phase compressors are also best for higher-volume foods processing. A dual-stage air compressor is ideal for industrial use. In some circumstances, you can even move the single-stage air compressor in between two-stage air compressors.
Solitary-stage compressors usually cycle way too speedily, drawing a lot more electrical energy than two-stage units. A variable pace device stays on a minimal velocity for hours at a time. Solitary-phase air conditioners power you to decrease your thermostat configurations although single-stage air conditioners run too typically. The two models are power-effective but they are not as energy-efficient as variable-velocity compressors. The major variation is that one-phase air conditioners have a tendency to drain the electricity source faster.

Piston-driven air compressors are quieter

A piston-pushed air compressor is 1 of the quietest kinds of air compressors. It is much less noisy than reciprocating air compressors. A piston-pushed air compressor can achieve sixty two decibels, although a scroll compressor is about 50 percent that volume. The two main components of a scroll air compressor are the piston and the helical screw. These air compressors are each extremely efficient and peaceful.
Older compressors are exceptionally noisy. They make a “wumpa” noise related to a big engine. They are also capable of producing a high-pitched whine. These noises can be deafening, specifically in a small workshop. Which is why it is crucial to look for a peaceful compressor. But what tends to make a compressor tranquil? Read through on to find out a lot more about this vital resource.
Another variation between piston-pushed air compressors and electric-pushed air compressors is the energy resource. Electric air compressors create considerably less sound than gas-driven compressors, which use an motor. Piston-driven air compressors are also far more successful. They also create much less warmth, creating them an excellent selection for workplaces and other options where sound is a problem. The ideal way to determine in between the two sorts of air compressors is to check the manufacturer’s warranty and read through the ‘Description’.
Sounds reduction is the 1st priority of a compressor’s proprietor, so make sure that you have the appropriate model. If you’re operating on some thing delicate, will not location the compressor as well shut to a constructing where men and women might be nearby. Noise can be extremely disruptive to the workspace and can trigger well being troubles. To help combat sounds, you are going to need to acquire a tranquil air compressor. And will not overlook to consider its spot: Piston-pushed air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are peaceful because the piston is made of thin metal and a lot more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-pushed air compressors are far more successful than their twin-piston cousins, which are quieter and far more strong. So which type is correct for you? Consider a look at some of the major differences in between the two. If you want a quiet compressor, make sure it satisfies the technical specs necessary by the task you’re operating on.

Oil-lubricated air compressors are more expense-efficient

There are a number of causes why oil-lubricated air compressors are far more pricey than dry-variety air compressors. Initial of all, oil-lubricated air compressors have a tendency to be more reputable and peaceful. Moreover, oil-lubricated air compressors require much less components and can previous for a longer time than dry-variety air compressors. These are just a few of the a lot of rewards of utilizing oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are considerably less sturdy and might not be as effective as oil-lubricated models. Furthermore, simply because oil-lubricated air compressors use oil, they can get very noisy. While they are much less expensive, they are not the ideal selection for hefty-responsibility perform. Nevertheless, present day oil-totally free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make positive to select one with a tank capacity that meets your needs and your place. Larger tanks can be much more pricey than modest tanks, but more substantial units are less complicated to shift about. Also, be sure to consider the bodyweight and dimension of the transportable air compressors when making your choice. If the bodyweight is too big, you might have difficulty carrying it from location to place.
One more gain of using oil-lubricated air compressors is their lowered need for oil. These types can very last up to a ten years for a longer time than oil-cost-free counterparts. Oil-free air compressors are far more inexpensive and can attain the same higher overall performance as their oil-lubricated counterparts. Several industrial purposes benefit from these air compressors. So, which a single is correct for you? We have outlined a number of of them under.
An additional advantage of choosing an oil-lubricated air compressor is the decreased price of upkeep. This sort is far more sturdy than its oil-lubricated counterparts, which demand typical oil adjustments to preserve them operating effortlessly. However, it is not possible to transportation an oil-lubricated compressor, which signifies that you should set up it forever to keep it functioning successfully. In addition, these air compressors are hard to shift and are not portable, which can limit your potential to use it in a pinch.

China Custom 400L/Min 300bar Breathing Air Compressor Scuba Diving & Firefighting for Sale     with Hot sellingChina Custom 400L/Min 300bar Breathing Air Compressor Scuba Diving & Firefighting for Sale     with Hot selling