Product Description

WLD Screw Air Compressor,Air Dryer,Air Tank and Filter
 

Product Description

 

1. Screw Air Compressor

Screw Air Compressor A Series
Model WLD-10A WLD-15A WLD-20A WLD-30A WLD-40A WLD-50A
Air volume/Air pressure(m3/min/Mpa) 1.35/0.7 1.8/0.7 2.5/0.7 3.8/0.7 5.2/0.7 6.5/0.7
1.2/0.8 1.6/0.8 2.3/0.8 3.4/0.8 5.0/0.8 6.1/0.8
1/1.0 1.3/1.0 2/1.0 3.1/1.0 4.3/1.0 5.5/1.0
0.8/1.2 1/1.2 1.7/1.2 2.7/1.2 3.8/1.2 4.9/1.2
Ambient temperature(ºC) -5~+45ºC
Cooling way air cooling
Discharge temperature(ºC) ambient temperature <15ºC
Lubrication oil(L) 6 12 18 20 20 29
Noise(dBA) 66±2 68±2
Driving way  belt drive belt drive  belt drive direct drive
Electricity(V/ph/Hz) 380/3/50
Power(KW) 7.5 11 15 22 30 37
Starting method Y-△Starter
Dimension(mm) L 960 1100 1100 1380 1500 1500
W 580 710 710 850 1000 1000
H 770 1100 1100 1250 1350 1350
Net Weight(kg) 178 327 337 500 683 683
Outlet pipe dia(inch) 1/2″ 1″ 1″ 5/4″ 3/2″ 3/2″

Direct drive screw air compressor
Connected with rotor, motor and it’s outer case form a unit which can achieve zero maintenance. Besides, due to less spare parts, direct drive has less transmission loss to make it more stable and get longer life.

2.Air dryer

Refrigerated air dryer
Advantage

  1. Low dew point-pressure dew point as low as 5ºC, outlet dew point can reach 15ºC or lower on standard condition.
  2. High-efficiency pre cooling regenerator-reduce the load of evaporator by increasing outlet temp by 10-15ºC and decreasing inlet temp by 8-12ºC
  3. Colliding whirlwind air-water separator-air and water can be completely separated at dew point.
  4. Heat bypass valve-balance pressure, reduce load of compressor, decrease power loss, ensure performance of dryer even at low temperature environment.
  5. Pressure protection switch-avoid damage to dryer compressor if any fault
  6. Protective welding way-ensure cleanness in cooling system and avoid to block system
  7. Good quality cooling spare parts-Panasonic, Cope-land, Tecumseh, CHINAMFG compressor, CHINAMFG expansion valve, Saginomiya solenoid valve.
  8. Increased condenser-15-20% bigger than normal condenser make sure refrigerant liquefy completely at serious environment.
  9. Compact outline-small size, less weight, easy to install and disassemble
  10. Strict QC-test completely before leaving factory to ensure 100% good products.

Refrigerated air dryer
Advantage

  1. Low dew point-pressure dew point as low as 5ºC, outlet dew point can reach 15ºC or lower on standard condition.
  2. High-efficiency pre cooling regenerator-reduce the load of evaporator by increasing outlet temp by 10-15ºC and decreasing inlet temp by 8-12ºC
  3. Colliding whirlwind air-water separator-air and water can be completely separated at dew point.
  4. Heat bypass valve-balance pressure, reduce load of compressor, decrease power loss, ensure performance of dryer even at low temperature environment.
  5. Pressure protection switch-avoid damage to dryer compressor if any fault
  6. Protective welding way-ensure cleanness in cooling system and avoid to block system
  7. Good quality cooling spare parts-Panasonic, Cope-land, Tecumseh, CHINAMFG compressor, CHINAMFG expansion valve, Saginomiya solenoid valve.
  8. Increased condenser-15-20% bigger than normal condenser make sure refrigerant liquefy completely at serious environment.
  9. Compact outline-small size, less weight, easy to install and disassemble
  10. Strict QC-test completely before leaving factory to ensure 100% good products.

Air Dryer Technical Specification
 

Model WLD-10 WLD-20 WLD-30 WLD-50
Air volume(m3/min) 1.5 2.5 3.8 6.7
Working condition A. entrance temp 80ºC  B. environment temp 45ºC  C. air pressure 10 kg/cm2
Pressure dewpoint 2~10ºC
Refrigerant R22
Refrigerant Motor(HP) 0.35 0.5 0.75 0.8
Electricity AC 220V 50
Dimension(mm)L 620 750 800 930
W 410 420 425 485
H 650 730 810 900
Weight(kg) 38 60 73 92

3.Air tank

 

AIR TANK DATA  
 
NO. Specifications Temp(ºC) Total height(mm) Inside size  (mm) Air inlet port Air outlet port Support pillar Blowdown valve connector(inch) Compressor capacity parameters(m3/min)  
Volume(m3) Pressure(MPa) Height(mm) Port Size(mm) Connector(inch) Height(mm) Port size(mm) Connector(inch) Separation distance (mm) Size   (mm)  
1 0.3 0.8 150 1592 550 642 25 1 1242 25 1 400 20 0.5 2.6-3  
1 1592  
1.3 1598  
3 0.6 0.8 150 1905 700 680 40 1.5 1550 40 1.5 490 24 0.5 4.8-6  
1  
1.3  
4 1 0.8 150 2240 800 760 40 1.5 1760 40 1.5 560 24 0.5 8-10  
1 2243  
1.3 2291  

4.Filter 
Precision filter
Function
Filter out ozone, gas and particulates in compressed air.
Multi filter material include borosilicate fiber, glass fiber, acticarbon fiber, unwoven fabric and stainless steel mesh.
C filter, remove most liquid and 3 μm above particulates, oil content as low as 5ppm and little water, dust and oil mist.
T filter, remove 1μm above liquid and particulates, oil content reach 0.5ppm.
A filter, remove 0.01μm above liquid and particulates, oil content reach 0.001ppm
 

 

Associated Products

Piston Air Compressor 

WLD Spray Booth

 

Company Profile

About us

Product Showroom
Meeting Room
Exhibition

FAQ

FAQ

Q1:Are you Manufacturer or Trading Company?
A:We are a professional manufacturer with our own export department.
Our factory was established in 2000.

Q2:Where is your factory located? How can I visit there? 
A:Our company is located in HangZhou City, China.All clients, from home and abroad,are warmly welcomed to visit us.

Q3. What is your terms of packing?

A: Generally, we pack our goods by thicker bubble paper, some of them are packed by carton.

Q4. What is your terms of payment?
A: By T/T, 30% as deposit for production, and 70% balance before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q5. What is your terms of delivery?
A: Normally our quotation is under FOB HangZhou, but we also accept EXW, FOB, CFR, CIF, DDU. 

Q6. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving full payment. If your voltage is different from 380V/3PH/50Hz, the delivery time will be around 20 days for custom-made motors or electric components. 

Q7.Can we customize our product?
A:Yes,you can.Customized material and standard are acceptable. We can provide different standards according to your market and favor.

Q8: How do you make our business long-term and good relationship?
A1. We keep good quality and competitive price to ensure our customers benefit ;
A2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from.

 

Q9: Why choose WeiLongDa?

A1. Wallboard – All WLD spray booth wall panels are anti-fire EPS,foam density is 14kg/m²;

A2. Front door – with aluminum view window, made of 50mm EPS, 0.8mm galvanized steel with plastic spray. Front door is like a face, beautiful, strong, practical, leakproof, anti-rusting & long-lasting, it means your workshop will attract more business and you will spend less time and money on spray booth maintenance;

A3. Steel structure – 4000kg vehicle can safely get in and out of the booth without worried, no noise, vibration is minimized, no air leakage, dust free, clean and efficient, we use thick galvanized steel pipes to make our spray booth cabinet, so our cabinet is anti-rusting;

A4. Heat exchanger – 2 layers radia pipes structure with 2 CHINAMFG welded by experienced skillful welder, it is high efficiency & safe;

A5. Motor fan – introduced from Simens technology with large air flow at low noise, high quality bearing, full cooper coils, rock wool sound proff cover;

A6. Components finishing – since CHINAMFG factory has its own powder coating facility, all components seen were with powder coated treatment. Strong anti-rusting finishing, not just good looking but also make a durable spray booth.

A7. Advantages of CHINAMFG control panel – 1) dust free 2) user can intuitively see the booth actual operation status from the panel 3) spray temperature and baking temperature were set in internal memory, no need to reset temperature when change the mode 4) digital pressure display with over pressure alarm 5) over heat fire alarm system 6) we offer 1 year warranty, life-long maintenance for our booth;

A8. Small details – 1) hinge type ceiling filter frame, 1 person can handle changing filter 2) flter is self sealing no need screw to fix 3) fan filter is easy to access with small door and handle 4) front door locking pin with position locking 5) infrared lamp with rock wool isolation 6) infrared lamp install with isolation distance 7) infrared lamp with door open security sensor switch 8) infrared lamp with wire entrance prastic screw.

After-sales Service: Online and Others
Warranty: 12 Months
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Type: Screw Air Compressor
Customization:
Available

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air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

What is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China Standard Wld-Sac Screw Air Compressor Air Dryer, Air Tank and Filter Garage Equipment Screw Air Compressor Pistion Air Compressor for Auto Garage Equipment   air compressor oilChina Standard Wld-Sac Screw Air Compressor Air Dryer, Air Tank and Filter Garage Equipment Screw Air Compressor Pistion Air Compressor for Auto Garage Equipment   air compressor oil
editor by CX 2023-10-07