Tag Archives: cold room compressor unit

China OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC with Good quality

Product Description

The compressors applied in the air conditioning industry in diverse applications including split systems, rooftops, packaged units and chillers, scroll compressors are now the most used compression technology replacing reciprocating and screw compressors due to its undeniable superiority. Several, fully Copeland qualified, multiple compressor assemblies (tandem and trio) are available to be used in large capacity systems to deliver optimal comfort, low operating cost with higher seasonal efficiency.
Features and Benefits:
• CHINAMFG Scroll axial and radial compliance for superior reliability and efficiency
• Wide scroll line-up • Low oil circulation rate • Superior liquid handling capability
• Low sound and vibration level • Low Total Equivalent Warming Impact
• Copeland qualified tandem and trio configurations for superior seasonal efficiency

Typical Model Motor TFD Norminal power (Hp) Displ
Curient Capacitor
(Single Phase
Connection tube (inch) Oil charge    (L)
(RLA)     TFD (A)         PFJ Discharge Suction
ZB15KQ/ZB15KQE PFJ/TFD 2 5.9 4.3 11.4 40uF/370V 1/2 3/4 1.18
ZB19KQ/ZB19KQE PFJ/TFD 2.5 6.8 4.3 12.9 45uF/370V 1/2 3/4 1.45
ZB21KQ/ZB21KQE PFJ/TFD 3 8.6 5.7 16.4 50uF/370V 1/2 3/4 1.45
ZB26KQ/ZB26KQE PFJ/TFD 3.5 9.9 7.1 18.9 60uF/370V 1/2 3/4 1.45
ZB29KQ/ZB29KQE TFD 4 11.4 7.9 19.3 60pF/370V 1/2 7/8 1.36
ZB38KQ/ZB38KQE TFD 5 14.5 8.9 1/2 7/8 1.89
ZB45KQ/ZB45KQE TFD 6 17.2 11.5 1/2 7/8 1.89
ZB48KQ/ZB48KQE TFD 7 18.8 12.1 3/4 7/8 1.8
ZB58KQ/ZB58KQE TFD 8 22.1 16.4 7/8 11/8 2.51
ZB66KQ/ZB66KQE TFD 9 25.7 17.3 7/8 13/8 3.25
ZB76KQ/ZB76KQE TFD 10 28.8 19.2 7/8 13/8 3.25
ZB88KQ/ZB88KQE TFD 12 33.2 22.1 7/8 13/8 3.25
ZB95KQ/ZB95KQE TFD 13 36.4 22.1 7/8 13/8 3.3
ZB114KQ/ZB114KQE TFD 15 43.4 27.1 7/8 13/8 3.3


After-sales Service: 1 Year
Warranty: 12month
Lubrication Style: Lubricated


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air compressor

What are the advantages of using an air compressor in construction?

Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:

  • Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
  • Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
  • Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
  • Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
  • Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
  • Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
  • Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.

It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.

In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC   with Good qualityChina OEM 3phase 50Hz Refrigeration Scroll/Rotary Air Compressor 12HP 121000BTU Zb Type Compressors for Cold Room Condensing Unit AC   with Good quality
editor by CX 2023-11-20