Product Description

Experience unparalleled flexibility and efficiency with our cutting-edge Compact Efficient Mobile Screw Compressor, brought to you by Sanzhi (ZheJiang ) Compressor Co., Ltd. This state-of-the-art compressor, powered by a robust 37kw engine, delivers a powerful 176 cfm of air directly, ensuring an exceptional 8 Bar pressure and an impressive 5.0 m³/min air delivery rate. Engineered as the ultimate solution for outdoor tasks where electricity is unavailable, this dynamic compressor excels on bustling construction sites and in the most remote and challenging locations. With this innovative machine, you are guaranteed seamless, uninterrupted performance, ensuring that your projects run smoothly and efficiently, regardless of the environment.

Product Structure

Revolutionary Frontside Design

Ergonomically Enhanced Backside Design

Unparalleled Advantages of Our Portable Diesel Screw Air Compressor

1. Superior Reliability:Crafted with a minimal number of components, our compressor boasts exceptional reliability and an extended operational life, free from wear-prone elements. With maintenance intervals impressively ranging from 40,000 to a remarkable 80,000 hours, you can count on long-term, uninterrupted performance.

2. Effortless Operation and Maintenance:Featuring a high level of automation, this compressor requires virtually no professional training for operation. It promises a user-friendly experience, enabling effortless, unattended functionality with ease.

3. Optimal Power Balance:Engineered for high-speed performance, our compressor ensures robust gas transmission and rapid supply. The volumetric flow rate remains nearly constant despite variations in exhaust pressure, maintaining superior efficiency across diverse speed ranges.

4. Exceptional Adaptability:Compact and lightweight, our compressor occupies minimal space and is highly maneuverable. Ideal for a multitude of applications such as building construction, spraying, pile breaking, sandblasting, urban development, and road construction.

5.Advanced Dual-Stage Air FiltrationThis sophisticated feature drastically reduces air impurities, providing superior protection to both the engine and compressor, significantly extending their lifespan and ensuring optimal performance.

Detailed Photos

Fixed Frequency Motor
Our Fixed Frequency Motor boasts an Insulation Grade of F and a Protective Grade of IP55, ensuring a stable flow rate with constant load. Experience unparalleled efficiency and durability, making it a reliable choice for your demanding applications.

German Technology Air End
Engineered with cutting-edge German technology, the air end features a large rotor and low-speed design for exceptional efficiency. Expect whisper-quiet operation, minimal vibration, unparalleled reliability, reduced leakage, and impressive volumetric efficiency.

Smart Touch Controller
Experience the pinnacle of intelligence with our Smart Touch Controller. Requiring minimal manual intervention, its high-precision color electronic screen provides clear, intuitive graphics, real-time maintenance data, fault alarms, and safety shutdown alerts.
 

Cooling System
Our state-of-the-art cooling system features a large heat exchange area, effectively preventing high temperatures and reducing oil emulsification and coking. This ensures long-term reliability and CHINAMFG performance, even under the most demanding conditions.

Reliable Oil and Air Separator
Featuring an innovative vertical tangential cyclone separation structure, our oil and air separator guarantees complete separation and easy cartridge replacement. Enjoy reduced maintenance costs and dependable performance.

Safe and Zero Leakage Connection
Sanzhi has revolutionized connection safety with robust high-rigid pipes and flexible joint connections, eliminating the risks associated with traditional low-cost hydraulic hoses. Prevent bursts and ensure a flexible, leak-proof seal.
 

Horizontal Air Tank
Our horizontal air tank, equipped with 2 air storage tanks rated at 8 bar and 4 wheels for smooth mobility, offers superior storage capacity and effortless transport.

Diesel Generator and Electric Units
Designed with meticulous precision, our diesel generator and electric units ensure efficient operation. Utilizing a direct connection transmission mode, they are robust and adaptable, perfect for various complex construction scenarios.
 

Our Advantages

1. Unbeatable Price Advantage
Experience the power of affordability with our factory-direct pricing, meticulously crafted to boost your market advantage and maximize profitability.

2. Seamless Direct Deal
By sourcing directly from the factory, our offerings ensure the most cost-effective solutions, cutting out middleman expenses and enhancing savings.

3. Comprehensive OEM & ODM Services
Utilize our state-of-the-art production and management capabilities to benefit from bespoke OEM/ODM services, tailored to your specific requirements.

4. Personalized Customization Services
We excel in tailoring non-standard and export orders, providing customized voltage, power, and pressure solutions to meet your exact needs.

5. Small Order Flexibility
Start with a small trial order to personally witness the exceptional quality our products offer.

6. Swift and Reliable Delivery
We guarantee prompt and dependable delivery of premium products, strictly adhering to your crucial deadlines.

7. Full Authorization for Distributors
We issue thorough authorization certificates, empowering our distributors to confidently market and represent the SANZHI brand effectively.
 

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Company Profile

Sanzhi (ZheJiang ) Compressor Co., Ltd., with over a decade of unparalleled expertise, leads the industry in screw air compressors and vacuum pumps. Our comprehensive range features standard and low-pressure screw air compressors, permanent magnet frequency conversion models, and advanced two-stage compression screw air compressors. Specialized solutions include compressors for laser cutting, flexible single-tank and double-tank mobile options, and durable electric and diesel mobile compressors, all complemented by cutting-edge screw vacuum pumps.

Our manufacturing CHINAMFG is driven by advanced multi-air compressor assembly lines, ensuring CHINAMFG efficiency and superior quality. With a dedicated team of over 50 skilled professionals, we continually optimize our ERP-driven management systems to minimize lead times and ensure rapid delivery of top-tier products.

Our unwavering commitment to quality is validated by our ISO9001 certification. We uphold rigorous quality management standards, meticulously inspecting raw materials, production processes, and pre-delivery stages to ensure every machine meets our stringent criteria.

Outstanding customer service is our hallmark. In the pre-sales phase, we provide expert guidance to help you select air equipment tailored to your unique requirements, with high customization options, including OEM solutions. Post-sales, our proficient sales and service team ensures prompt, professional support to meet your needs.

At Sanzhi (ZheJiang ) Compressor Co., Ltd., our mission is to deliver reliable, high-quality products while building long-lasting partnerships with our clients. With efficient delivery, top-tier machines, and competitive pricing, we are dedicated to meeting your compressed air needs with excellence.

Our factory, located in the prime area of HangZhou City, ZheJiang Province, China, offers convenient transportation from HangZhou International Airport to our facility, a mere 30-kilometer journey. We warmly invite you to visit our company!

FAQ
Q1. Are you a trading company or a manufacturer?
A: We are a seasoned manufacturer of screw air compressors with over 10 years of industry expertise.

Q2. How do you ensure quality control?
A: 1. We conduct stringent inspections on all raw materials.
2. We meticulously regulate all installation procedures.
3. Every machine undergoes a minimum of 5 hours of continuous testing before dispatch.

Q3. What details do I need to provide to get the right machine?
1. Required air delivery capacity (Unit: CFM or m³/Min)
2. Desired working pressure (Unit: PSI, Bar, or Mpa)
3. Voltage and frequency specifications of your country (V/Hz)
4. Any additional accessories needed, such as an air tank, filters, or air dryers.
Share these details with us, and we’ll propose the perfect solution for you!

Q4. What are the general unit conversions?
1Bar = 0.1Mpa = 14.5PSI
1m³/min = 35.32cfm
1KW = 1.34HP

Q5. What is the usual delivery time?
A: For standard voltages, delivery is within 15 working days post-order confirmation. For non-standard voltages, please consult our sales team.

Q6. What are the payment terms?
A: Payment terms include 30% T/T in advance, 40% T/T before shipment, and 30% T/T against the B/L copy. We accept payments in both USD and RMB.

Q7. How about your warranty?
A: At Sanzhi (ZheJiang ) Compressor Co., Ltd., we take immense pride in providing a comprehensive one-year warranty that covers the entire machine. Furthermore, we offer a robust two-year warranty specifically for the screw air compressor, ensuring that your valuable investment is significantly protected. Please note, however, that consumable spare parts are excluded from this coverage.

Q8. What about the maintenance?
A: The initial maintenance for the Efficient Portable Diesel CHINAMFG 36.8kw 8bar is crucial and should be conducted after the first 300 hours of operation. Thereafter, we highly recommend routine maintenance every 2000-3000 hours. This schedule can be adjusted based on the actual operating environment to ensure CHINAMFG performance and longevity of the compressor.

Q9. Can machines be run in high-temperature environment?
A: Absolutely! Our machines are meticulously engineered to perform optimally even in high-temperature conditions. They are designed to operate within an impressive temperature range of -20° to 45°C (-4ºF to 113ºF), ensuring consistent reliability and performance across diverse climates.

Q10. Do you offer OEM service?
A: Yes, at Sanzhi (ZheJiang ) Compressor Co., Ltd., we enthusiastically welcome both OEM & ODM orders. Our expert design team is ready to collaborate with you and meet your specific requirements, bringing your vision to life. We provide tailor-made solutions that align perfectly with your unique needs.

Q11. Will you provide some spare parts for the machines?
A: Certainly! We ensure the provision of essential spare parts to maintain the seamless and efficient operation of your machines. This proactive approach minimizes downtime and maximizes productivity, keeping your operations running smoothly at all times.

Q12. How about your after-sales service?
A: We offer comprehensive after-sales support that includes detailed online instructions for the installation and commissioning of the Efficient Portable Diesel CHINAMFG 36.8kw 8bar. Our team of skilled engineers is readily available to assist with training and installation needs, ensuring seamless integration and optimal performance of your equipment.

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How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

• 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
• 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
• 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
• 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
• 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
• 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
• 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

How Do You Troubleshoot Common Issues with Screw Compressors?

Troubleshooting common issues with screw compressors involves a systematic approach to identify and resolve problems that may arise during operation. Here’s a detailed explanation:

1. Gather Information:

• Start by gathering information about the symptoms and any recent changes or events related to the compressor. This can help pinpoint potential causes and guide the troubleshooting process.

2. Check Power and Controls:

• Ensure that the compressor has a power supply and that all electrical connections are secure. Check for any tripped breakers or blown fuses. Verify that the compressor’s controls, such as pressure switches, temperature sensors, and safety devices, are functioning correctly.

3. Inspect for Leaks:

• Check for any visible leaks in the compressed air system, including connections, fittings, hoses, and seals. Leaks can cause a drop in system pressure and affect the compressor’s performance. Repair or replace any damaged components.

4. Monitor Pressure and Temperature:

• Monitor the discharge pressure and temperature of the compressor. Abnormal readings can indicate issues such as inadequate lubrication, high discharge temperatures, or problems with the cooling system. Refer to the manufacturer’s specifications for acceptable pressure and temperature ranges.

5. Verify Lubrication:

• Ensure that the compressor’s lubrication system is functioning correctly. Check oil levels and the condition of the lubricant. Inadequate lubrication can lead to increased friction, overheating, and damage to internal components. Follow the manufacturer’s recommendations for lubricant type and change intervals.

6. Check Air Filters and Cooling System:

• Inspect and clean or replace the air filters to ensure proper airflow. Clogged filters can reduce efficiency and increase the compressor’s operating temperature. Additionally, check the cooling system, including fans and heat exchangers, to ensure they are clean and functioning correctly.

7. Examine Vibration and Noise:

• Pay attention to any unusual vibration or noise coming from the compressor. Excessive vibration may indicate misalignment, worn bearings, or loose components. Unusual noise can be a sign of mechanical issues or problems with the intake or discharge system.

8. Review Maintenance Records:

• Review the compressor’s maintenance records to ensure that regular maintenance tasks, such as oil changes, filter replacements, and inspections, have been performed according to the manufacturer’s recommendations. Address any overdue or missed maintenance tasks.

9. Consult Manufacturer Documentation:

• Refer to the compressor’s operating manual and troubleshooting guide provided by the manufacturer. These documents often contain specific troubleshooting steps for common issues and can provide valuable insights.

10. Seek Professional Assistance:

• If the troubleshooting steps do not resolve the issue or if you are unsure about performing further diagnostics, it is recommended to seek assistance from a qualified technician or contact the compressor manufacturer’s technical support.

Remember to prioritize safety throughout the troubleshooting process, following appropriate lockout/tagout procedures and wearing the necessary personal protective equipment.

In summary, troubleshooting common issues with screw compressors involves checking power and controls, inspecting for leaks, monitoring pressure and temperature, verifying lubrication, checking air filters and cooling systems, examining vibration and noise, reviewing maintenance records, consulting manufacturer documentation, and seeking professional assistance when needed. By following a systematic approach, it is possible to identify and resolve common problems with screw compressors, ensuring their proper operation and performance.

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

• 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
• 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
• 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
• 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
• 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
• 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
• 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

editor by lmc 2024-11-22