China high quality 7 Bar Industrial Heavy Duty Rotary Screw Portable Diesel Air Compressor with Best Sales

Product Description

Product Description

7 Bar Industrial Heavy Duty Direct Driven Rotary Screw Portable Diesel Air Compressor

Rocky diesel relocation machine can meet the requirements of overload use, and can withstand the worst on-site environment. At the same time, it can also reduce fuel consumption, thereby greatly reducing operating costs. With wheel design, it is easy to move and maintain, and is widely used in drilling, mining, road repair, engineering rescue and other industries.

Model RKY-3.5/7
Volume flow (m³/min) 3.5
Working pressure(Barg) 7
Fuel tank volume(L) 45
Maximum ambient temperature(ºC) 50
Compression stage 1
Engine brand YANGMA
Engine model 3TNV88
Engine power(KW) 26.8
Maximum engine speed(Rpm) 3000
Minimum engine speed(Rpm) 1800
Wheels Qty 2
Noise level(dB) 75±3
Overall weight (kg) 880
Dimensions(L*W*H)mm 2853*1272*1092
Air outlet (inch) 2*G3/4


Product features   

Maximum versatility
RKY/RKYII is ideal choice for powering equipment such as construction machinery. Meticulous construction and premium quality components ensure trouble-free operation in ambient temperatures ranging from -20°C to +45°C. Versatility is further enhanced by the chassis, which can be equipped with a fixed or height adjustable tow bar and with or without an overrun brake. Stationary versions can be installed either on skids or machine mounts.

Lightweight
Powerful doesn’t necessarily mean heavy: the RKY/RKYII is exceptionally easy to manoeuvre and transport. Moreover, its larger diesel fuel capacity ensures that the compressor has more than enough power available to last an entire work shift.

Separate air filters for engine and compressor
The air filters are specifically tailored to suit required air demand and therefore ensure dependable system operation. Afurther important design detail is the electric fuel pump, which enables quick and simple deaeration of the diesel lines, thereby eliminating the need for labour-intensive manual pumping.

Optional diesel engine
Flexible diesel engine to meet the different operating environment and conditions of operation, general maintenance, regard less of the location of the compressor, customers can find a suitable supplier of parts.

Simple to operate
Operation is made simple via user-friendly icons and a single start switch with pre-heat function. The unit also features fully automatic monitoring and shutdown in case of malfunction, whilst a pressure gauge and airend temperature display enable all information to be viewed at a glance.

Silent Environment
Silent case design, even in the noisy city can maintain a good noise level, to avoid noise caused by environmental pollution.

High temperature design
The equipment can operate well at ambient temperatures up to 50°C.                                                                                                                                                                                                                                                                                                                                                                                                                                              
Technical Parameters

Rocky Portable Diesel Driven Screw Air Compressors (Single-stage)            
Model RKY-3.5/7 RKY-5/7 RKY-6/7 RKY-10/10 RKY-10/12 RKY-12/7 RKY-12.5/14 RKY-14/14 RKY-15/15 RKY-16/17 RKY-18/17 RKY-21/10 RKY-23/14
Volume flow (m³/min) 3.5 5 6.05 10 10 12 12.5 14 15 16 18 21 23
Working pressure(Barg) 7 7 7 10 12 7 14 14 15 17 17 10 14
Fuel tank volume(L) 45 70 100 140 160 160 160 160 280 280 280 360 360
Maximum ambient temperature(ºC) 50 50 50 50 50 50 50 50 50 50 50 50 50
Compression stage 1 1 1 1 1 1 1 1 1 1 1 1 1
Engine brand YANGMA WEICHAI WEICHAI CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS
Engine model 3TNV88 WP3.2G
50E347
WP3.2G61
E317
QSB3.9-
C130
QSB3.9-
C130
QSB3.9-C125 QSB5.9-C180 QSB5.9-C210 QSB6.7-C240 QSB6.7-C240 QSC8.3-C260 QSB6.7-C240 QSL8.9-C325
Engine power
(KW)
26.8 36.8 45 97 97 93 132 154 178 194 194 178 242
Maximum engine speed
(Rpm)
3000 2500 2500 2200 2500 2300 2000 2200 2000 2200 2400 2000 2100
Minimum engine speed
(Rpm)
1800 1750 1750 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500
Wheels Qty 2 2 2 2 2 2 2 2 4 4 4 4 4
Noise level
(dB)
75±3 75±3 75±3 80±3 80±3 80±3 85±3 85±3 85±3 85±3 88±3 88±3 88±3
Overall weight
(kg)
880 1200 1550 1820 1840 1860 2571 2220 2750 2780 2910 2840 3571
Dimensions
mm
2853*1272*1092 3230*1440*1425 3300*1570*1560 3800*1900*1900 3800*1900*1900 3800*1900*1900 4350*1960*1950 4350*1960*1950 3980*1860*2450 3980*1860*2450 3980*1860*2450 4580*1950*2500 4580*1950*2500
Air outlet
(inch)
2*G3/4 G1,G3/4 G1-1/4,*G1 G1-1/2, 2*G1-1/4 G1-1/2, 2*G1-1/4 G1-1/2, 3*G1-1/4

 

Application industry

 

Successful cases

Packaging & Shipping

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.

Company Profile

ZheJiang CZPT Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look CZPT to working with you to create a better tomorrow!

Payment and delivery

 

After Sales Service

1. 24/7 after sales service support in different languages.
2. Customized color, Model ect.
3. Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4. Delivery on time and excellent after-sales service.
5. Plenty of original spare parts with proven quality.
6. All kinds of technical documents in different languages.

FAQ

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.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Samples:
US$ 5000/SET
1 SET(Min.Order)

|

Order Sample

Customization:
Available

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air-compressor

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from one place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are two types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the two types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in one minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require three separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require three separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China high quality 7 Bar Industrial Heavy Duty Rotary Screw Portable Diesel Air Compressor   with Best SalesChina high quality 7 Bar Industrial Heavy Duty Rotary Screw Portable Diesel Air Compressor   with Best Sales
editor by CX 2023-07-12