Product Description
Product Description
Product features:
LG-12/2 screw air compressor is mainly used in material conveying, textile industry and other low-pressure gas sector industries, compared with the traditional piston type, pendulum type and other air compressors, with a long continuous operation time, no human care, stable operation, high reliability, low failure rate, low noise advantages, in actual use will bring users a very high economic and environmental benefits.
1, the overall design of air compressor:
LG-12/2 screw air compressor is composed of the bottom frame, which is reasonably arranged and installed: distribution box, motor, screw machine head, hot oil pump, oil cooler, oil and gas separator, protective silencer housing and other components (can be selected according to customers).
2. Control system:
The control system adopts HangZhou MAM880 screw air compressor microcomputer controller, and the main motor is started by star triangle. The whole control system is equipped with temperature sensor, pressure sensor, air intake valve, minimum pressure valve, safety valve, check valve, etc., to achieve the optimal accessories, reasonable configuration, automatic control, smooth operation, safe and reliable.
The main advantage of this type of screw air compressor is that in order to ensure the safe and reliable operation of the screw machine, the design selects the most reliable hot oil pump in China, so that the screw machine can ensure the normal circulation of the system cooling oil at any time!
| Machine type | HYCW-12/2 Double Cylinder (cast iron model) | |
| item | unit | Parameter value |
| Air displacement | m / min | 12 |
| Exhaust pressure | MPa | 0.2 |
| Shaft power | KW | 38 or less |
| Specific power | KW / m . min -1 | 3.16 |
| Inspiratory temperature | ºC | 40 or less |
| Exhaust temperature | ºC | 160 or less |
| Lubricating oil temperature | ºC | 65 |
| cleanliness | Mg | 720 |
| noise | Db ( A ) | 73 |
| weight | KG | 385 |
| Rotational speed | r / min | 1000 |
| torque | N . M | 362.9 |
| Overall dimension | mm (Length * width * height) | 951 * 930 * 775 |
| Installation position | Seated mounting or with a diesel engine | |
Hot Products
Company Profile
The products cover 31 provinces of china, cities and autonomous regions, and export to more than 50 countries and regions.
Packaging & Shipping
FAQ
Q1.Dose your company has your own factory?
A:Yes,we have a factory ourself.which is in this business for 15 years in China.
Our factory is in the trailer base LiangShan,ZheJiang ,China.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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| After-sales Service: | on-Line 7*24h |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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What Is the Typical Operating Pressure Range of Scroll Compressors?
The typical operating pressure range of scroll compressors can vary depending on the specific application and design of the compressor. However, here’s a general explanation of the pressure range commonly encountered with scroll compressors:
1. Low-Pressure Range:
Scroll compressors can operate in a low-pressure range, typically starting from around 30 to 50 psi (2 to 3.5 bar). This low-pressure range is often associated with the suction or inlet side of the compressor, where the refrigerant enters the compressor for compression. The exact lower limit of the pressure range can vary depending on factors such as the refrigerant used and the specific design of the compressor.
2. High-Pressure Range:
The high-pressure range of scroll compressors typically extends up to several hundred psi (pounds per square inch) or tens of bar. This range is associated with the discharge or outlet side of the compressor, where the compressed refrigerant is released. The upper limit of the pressure range depends on factors such as the compressor’s design, intended application, and the specific refrigerant used.
3. System-Specific Pressure Ratings:
It’s important to note that the actual operating pressure range for a scroll compressor can be specified by the manufacturer and can vary depending on the intended application and system requirements. Manufacturers provide pressure ratings for their scroll compressors, indicating the recommended operating pressure range to ensure safe and efficient operation.
4. Variable Operating Pressures:
Scroll compressors are designed to accommodate variable operating pressures based on the cooling load and system demands. The compressor’s capacity modulation allows it to adjust its output to match the cooling requirements, resulting in more efficient operation. This flexibility in operating pressures allows scroll compressors to optimize their performance and energy efficiency across a range of operating conditions.
It’s essential to consult the manufacturer’s specifications, technical documentation, or contact the manufacturer directly to obtain the specific operating pressure range for a particular scroll compressor model. The operating pressure range can vary depending on factors such as the refrigerant type, compressor size, intended application, and design considerations.
In summary, the typical operating pressure range of scroll compressors can start from around 30 to 50 psi on the low-pressure side and extend up to several hundred psi on the high-pressure side. However, the actual operating pressure range is specified by the manufacturer and can vary based on the compressor’s design, intended application, and the specific refrigerant used.
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Are There Oil-Free Scroll Compressors Available?
Yes, oil-free scroll compressors are available in the market. Here’s a detailed explanation:
1. Oil-Free Design:
Oil-free scroll compressors, also known as dry scroll compressors, are specifically designed to operate without the need for lubricating oil. Unlike lubricated scroll compressors that rely on oil for lubrication and sealing, oil-free scroll compressors utilize alternative methods to achieve smooth and reliable operation.
2. Specialized Coatings:
One common approach in oil-free scroll compressors is the use of specialized coatings on the scroll elements. These coatings, typically made of durable materials such as Teflon or other polymers, provide a low-friction surface that reduces wear and eliminates the need for oil-based lubrication. The specialized coatings also contribute to sealing and maintaining the efficiency of the compression process.
3. Tight Tolerances:
Oil-free scroll compressors are manufactured with tight tolerances to ensure proper mating between the scroll elements. The precise design and manufacturing processes aim to minimize internal leakage and optimize performance without the need for oil-based lubrication. The tight tolerances also contribute to achieving higher efficiency and reliability.
4. Increased Cooling:
Oil-free scroll compressors often incorporate enhanced cooling mechanisms to manage heat generated during compression. They may feature improved heat dissipation through advanced materials, enhanced airflow, or additional cooling technologies. Efficient cooling helps to maintain the compressor’s temperature within acceptable limits and ensures reliable operation.
5. Reduced Maintenance:
Oil-free scroll compressors generally require less maintenance compared to lubricated compressors. Without the need for oil changes, filter replacements, or oil level checks, the maintenance requirements are simplified. Additionally, the absence of oil eliminates the risk of oil leaks or contamination, reducing the potential for system downtime and environmental concerns.
6. Application Range:
Oil-free scroll compressors are suitable for various applications where oil-free operation is required or preferred. They are commonly used in industries such as electronics, semiconductor manufacturing, medical and dental equipment, laboratories, food and beverage, and pharmaceuticals. These applications often demand clean air or gas without the risk of oil contamination.
7. Considerations:
While oil-free scroll compressors offer advantages in certain applications, it’s important to consider some factors. Oil-free compressors may have slightly lower efficiency compared to lubricated compressors. Additionally, the specialized coatings on the scroll elements may require periodic inspection and maintenance to ensure their effectiveness over the compressor’s lifespan.
When considering the use of oil-free scroll compressors, it’s recommended to consult with compressor manufacturers or HVAC professionals to evaluate the specific requirements of the application and ensure compatibility with the intended system design and performance goals.
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Are There Different Types of Scroll Compressors?
Yes, there are different types of scroll compressors that are designed to meet specific requirements and applications. Here’s a detailed explanation:
1. Single-Stage Scroll Compressors:
Single-stage scroll compressors consist of a single set of interlocking scrolls and are commonly used in residential and light commercial applications. They provide a single level of compression, making them suitable for applications with moderate cooling or compression requirements.
2. Two-Stage Scroll Compressors:
Two-stage scroll compressors feature two sets of interlocking scrolls arranged in series. The first stage provides initial compression, and the compressed gas or fluid is then passed to the second stage for further compression. Two-stage scroll compressors are used in applications that require higher compression ratios or when precise temperature control is needed. They are commonly found in commercial and industrial air conditioning systems, heat pumps, and refrigeration units.
3. Variable Speed Scroll Compressors:
Variable speed scroll compressors are equipped with a variable speed drive (VSD) or an inverter that allows the compressor to operate at different speeds. By adjusting the speed of the compressor, the cooling or compression capacity can be modulated to match the specific load requirements. This results in energy savings and improved efficiency, particularly in applications with varying cooling or compression demands. Variable speed scroll compressors are often used in HVAC systems, where the cooling load can vary throughout the day.
4. Oil-Free Scroll Compressors:
Oil-free scroll compressors are designed to operate without the need for oil lubrication. They are commonly used in applications where oil-free compressed air or gas is required, such as in the medical, dental, and food processing industries. Oil-free scroll compressors eliminate the risk of oil contamination and the need for oil separation and filtration systems.
5. Tandem Scroll Compressors:
Tandem scroll compressors consist of two identical scroll sets that are connected in parallel. Both scrolls work together to provide compression, resulting in higher cooling or compression capacity. Tandem scroll compressors are used in applications that require higher cooling or compression loads, such as large commercial or industrial HVAC systems.
6. Digital Scroll Compressors:
Digital scroll compressors, also known as hybrid scroll compressors, combine the operation of a scroll compressor with a modulation mechanism to provide precise capacity control. The modulation mechanism allows the compressor to operate at different capacity levels, adjusting to the specific cooling or compression requirements. Digital scroll compressors are commonly used in applications where precise temperature control and energy efficiency are essential, such as data centers or commercial refrigeration units.
It’s important to note that the availability of different types of scroll compressors may vary depending on the manufacturer and specific market requirements. The selection of the appropriate scroll compressor type depends on factors such as the application, cooling or compression requirements, energy efficiency goals, and budget constraints.
In summary, there are various types of scroll compressors, including single-stage, two-stage, variable speed, oil-free, tandem, and digital scroll compressors. Each type is designed to meet specific cooling or compression requirements, offering advantages such as energy efficiency, precise capacity control, and suitability for different applications.
editor by CX 2024-03-26