Product Description

Welcome to the pinnacle of industrial innovation with the Intelligent Durable Permanent Magnet VFD Screw Air Compressor, an extraordinary feat of engineering brought to you by the renowned Sanzhi (ZheJiang ) Compressor Co., Ltd. Prepare to embark on an awe-inspiring journey beyond the ordinary with this groundbreaking compressor that embodies unmatched energy efficiency and sophisticated power management, redefining the standards of CHINAMFG in today’s industrial sectors. This marvel of modern engineering is exquisitely crafted to not only meet but surpass the demanding expectations of industries worldwide. Our extensive product line embraces a remarkable range of power capacities, providing a tailored solution for every energy-saving goal you envision. Explore our expansive selection, offering power choices of 7.5kw, 11kw, 15kw, 22kw, 30kw, 37kw, 45kw, 55kw, 75kw, 90kw, 110kw, 132kw, 160kw, 185kw, 200kw, and 250kw. Each model is precisely engineered to meet your unique operational requirements, ensuring optimal performance and efficiency. Immerse yourself in the unparalleled performance and unwavering reliability of this cutting-edge compressor-a definitive solution crafted to amplify productivity and efficiency across diverse industrial settings. Discover the exquisite synergy of innovation and technology, ensuring that your operations are not only seamless but also exceptionally productive, driving your success to new heights.

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Product Parameters

Model	Power	Pressure	Free air delivery* of unit at working pressure	Cooling System	Working Temperature	Voltage	Frequency	Noise Level	Air outlet discharge size	Weight	Dimensions
	KW	Mpa	m³/min		ºC	V	Hz	dB(A)	Inch	Kg	L*W*H(mm)
SZ08VF	7.5	0.8	1.15	Air Cooling	<Ambient temperature+15ºC	380	50	65	G3/4	320	900*700*920
		1.0	1.00
SZ11VF	11	0.8	1.00-1.60	Air Cooling	<Ambient temperature+15ºC	380	50	65	G3/4	330	900*700*920
		1.0	0.90-1.50
		1.3	0.82-1.20
SZ15VF	15	0.8	2.30	Air Cooling	<Ambient temperature+15ºC	380	50	65	G1	450	1040*800*990
		1.0	2.20
		1.3	1.70
SZ22VF	22	0.8	1.00-3.60	Air Cooling	<Ambient temperature+15ºC	380	50	65	G1	550	1040*800*990
		1.0	0.90-3.00
		1.3	0.82-2.80
SZ37VF	37	0.8	6.60	Air Cooling	<Ambient temperature+15ºC	380	50	68	G1½	750	1430*1000*1300
		1.0	6.00
		1.3	4.80
SZ45VF	45	0.8	2.10-8.00	Air Cooling	<Ambient temperature+15ºC	380	50	68	G1½	1050	1430*1000*1300
		1.0	1.90-6.50
		1.3	1.80-5.60
SZ55VF	55	0.8	10.00	Air Cooling	<Ambient temperature+15ºC	380	50	72	G2	1450	1800*1200*1500
		1.0	8.80
		1.3	7.80
SZ75VF	75	0.8	3.30-13.00	Air Cooling	<Ambient temperature+15ºC	380	50	72	G2	1750	1800*1200*1500
		1.0	3.10-11.20
		1.3	2.70-10.5
SZ90VF	90	0.8	16.00	Air Cooling	<Ambient temperature+15ºC	380	50	72	G2	2000	2000*1200*1500
		1.0	11.20
		1.3	10.50
SZ110VF	110	0.8	5.20-20.50	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	2550	2500*1500*1700
		1.0	4.90-19.00
		1.3	4.40-16.50
SZ132VF	132	0.8	24.00	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	2950	2500*1500*1700
		1.0	22.00
		1.3	19.00
SZ160VF	160	0.8	7.30-29.00	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	3150	2650*1650*1800
		1.0	6.50-26.20
		1.3	5.30-24.50
SZ185VF	185	0.8	32.00	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	3500	2650*1650*1800
		1.0	29.00
		1.3	26.00
SZ200VF	200	0.8	36.00	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	3860	2650*1650*1800
		1.0	33.00
		1.3	29.00
SZ250VF	250	0.8	40.00	Air Cooling	<Ambient temperature+15ºC	380	50	75	DN80	3860	2650*1650*1800
		1.0	36.00
		1.3	32.00
Due to product updates, the above parameters are subject to deviation in kind.

Product Structure

Working Principle

Embark on an extraordinary journey of unmatched innovation with our groundbreaking durable permanent magnet VFD screw air compressor system. This engineering masterpiece redefines CHINAMFG with its state-of-the-art pressure sensors that meticulously monitor real-time conditions and seamlessly track air consumption. By harnessing the precision of electronic and frequency converter controls, the system effortlessly adjusts motor speed while maintaining constant motor torque. This flawless modulation ensures optimal system pressure, perfectly aligning with the desired compressed air output. When air demand decreases below output, the intelligent inverter air compressor smoothly decelerates, conserving energy and reducing output. Conversely, as demand rises, the system accelerates motor speed, elevating compressed air supply and ensuring consistent system pressure stability for unparalleled performance.

Unlock the extraordinary potential of our state-of-the-art compressor unit, powered by advanced vector control technology. This technology delivers outstanding efficiency across a range of operational speeds while precisely managing motor temperature rise, ensuring CHINAMFG torque and flawless air compressor operation. Through vector control, the motor’s current harmoniously combines torque and other values, expertly refined to manage voltage fluctuations at the motor’s terminals. This sophisticated approach achieves CHINAMFG torque output without increasing current levels, guaranteeing superior performance and unmatched reliability in every application.

Advantages of Permanent Magnet Variable Frequency Screw Air Compressor

High Efficiency and Energy Saving
Our cutting-edge system, featuring pioneering frequency conversion regulation, dramatically reduces actual power consumption. This ensures optimal energy efficiency and delivers exceptional air compression performance. Embrace the pinnacle of energy-saving technology that sets new benchmarks in efficiency, offering unparalleled benefits.

Cost Reduction
Our revolutionary permanent magnet frequency conversion technology achieves a remarkable 35% reduction in energy costs while simultaneously decreasing compressor lifecycle expenses by an average of 22%. This means your initial compressor investment is swiftly recovered within a brief span of just 1 to 2 years, offering an unparalleled return on investment and cost-effectiveness.

Steady Pressure
Utilizing advanced PID (proportional, integral, differential) methodology, our exceptional compressor is meticulously calibrated to ensure extraordinary precision in system pressure stability. This guarantees unmatched reliability and performance across diverse applications, setting a new standard in pressure management.

Extended Lifespan
Our innovative frequency conversion start mechanism greatly minimizes stress on the power grid and mechanical components, resulting in a remarkably extended operational lifespan. This ensures consistent performance and enduring durability over time, making it a wise investment for sustained use.

Top Quality
Our compressors symbolize superior quality, showcasing premium imported bearings and advanced rotor profile enhancements. The robust rotor design, with its large displacement, low speed, and minimal noise, collectively enhances efficiency and elevates production quality to unprecedented levels. Experience the epitome of compressor CHINAMFG and reliability.

Packaging & Shipping

Our Advantages

1. Unparalleled Price Advantage
At Sanzhi (ZheJiang ) Compressor Co., Ltd., elevate your market presence with our extraordinary direct ex-factory pricing. Enter a realm where cost-efficiency seamlessly intertwines with superior performance, offering remarkable value in every transaction. Embrace the synergy of affordability and CHINAMFG that enhances your competitive stature.

2. Direct, Seamless Transactions
Experience the brilliance of our optimized supply chain, featuring a direct factory-to-door delivery system. This streamlined process eliminates unnecessary intermediaries, providing you with economically advantageous solutions that extend your investment value. Revel in the simplicity of transactions that redefine both convenience and cost-effectiveness.

3. Comprehensive OEM & ODM Solutions
Leverage the expertise of Sanzhi’s advanced production and management capabilities, offering a wide range of OEM/ODM services. Each product is crafted with meticulous attention to match your precise specifications, ensuring accuracy and top-tier quality throughout the entire development process. Enjoy tailored CHINAMFG that fulfills your specific requirements.

4. Tailored Personalization Service
Explore the vast opportunities with our personalized customization services, perfect for non-standard and export orders. From voltage adjustments to specific power and pressure demands, we provide solutions expertly designed to match your unique preferences. Collaborate with us to effortlessly bring your vision to life with solutions as distinctive as your needs.

5. Warm Welcome for Small Orders
Embark on your journey with Sanzhi through an initial small trial order, experiencing the superior quality and unmatched performance firsthand. This exclusive opportunity allows you to witness SANZHI’s excellence, crafted to meet your rigorous standards and consistently exceed expectations with each order.

6. Rapid and Reliable Delivery
Our steadfast dedication to quality shines through in our delivery services. We guarantee each order is dispatched promptly and efficiently, ensuring a seamless transition from purchase to delivery, securing your complete satisfaction. Enjoy the confidence and reassurance provided by our dependable, expedited delivery solutions.

7. Full Authorization Assurance
Our valued distributors carry comprehensive authorization certificates, enabling you to represent the esteemed SANZHI brand with absolute assurance. With complete legitimacy, lead our products with unparalleled credibility and confidence, strengthening the trust and authenticity synonymous with our brand.

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Company Profile

Sanzhi (ZheJiang ) Compressor Co., Ltd. stands as a beacon of innovation and CHINAMFG within the global compressor industry. With a rich legacy rooted in unparalleled expertise, our company has garnered numerous accolades for our exceptional skill in crafting pioneering screw air compressors and cutting-edge screw vacuum pumps. Over a decade of relentless innovation has led to the creation of a sophisticated and expansive suite of products, setting new industry benchmarks. Our impressive lineup boasts standard and low-pressure screw air compressors, state-of-the-art permanent magnet frequency conversion screw air compressors, and groundbreaking two-stage compression screw air compressors. We specialize in precision-engineered screw air compressors meticulously designed for laser cutting applications. Our extensive portfolio also includes single-tank and double-tank mobile screw air compressors available in both electric and diesel variants, along with our highly advanced screw vacuum pumps. Each product is crafted with meticulous precision, ensuring they meet a broad spectrum of industrial demands with exceptional quality, reliability, and performance.

Our multi-air compressor assembly lines epitomize the pinnacle of technological advancement, seamlessly blending cutting-edge sophistication with exceptional efficiency to achieve outstanding production outcomes. Xihu (West Lake) Dis.d by a distinguished team of over 50 elite professionals, we are devoted to the continuous refinement of our management systems, including ERP. This significant enhancement not only shortens lead times but also guarantees the timely delivery of products that exemplify excellence. Our unwavering commitment to advanced technology solidifies our leadership in the industry as we consistently deliver groundbreaking innovations and superior quality.

Our manufacturing facility steadfastly maintains the highest standards of excellence, proudly holding ISO9001 quality management system certification. We rigorously enforce stringent quality management protocols, with each machine undergoing exhaustive material evaluations, precise production inspections, and comprehensive pre-delivery assessments. This meticulous attention to detail ensures unmatched quality and reliability in every product we deliver, solidifying our esteemed status as an industry leader. Our unwavering commitment to precision and quality craftsmanship ensures our products consistently exceed the expectations of our discerning clients.

Our customer service team excels with a highly skilled pre-sales team offering invaluable insights to guide customers in selecting air equipment precisely suited to their facility’s unique requirements. We provide an extensive array of customization options, including bespoke OEM products intricately designed to fulfill the specific needs of individual dealers. Post-sales, our responsive sales and service team remains committed to delivering timely support and solutions, ensuring consistent customer satisfaction. This dedication to exceptional service and tailored solutions underscores our commitment to delivering outstanding value and enhances our reputation for excellence.

At Sanzhi (ZheJiang ) Compressor Co., Ltd., we are committed to delivering exceptional, reliable products while fostering enduring relationships with our customers. Our promise of swift delivery, top-tier machines, and highly competitive pricing cements our position as the trusted CHINAMFG for all your compressed air needs. Our steadfast commitment to CHINAMFG ensures that we consistently surpass customer expectations, securing our status as an industry leader at the forefront of innovation and reliability.

Strategically nestled in the vibrant HangZhou City, ZheJiang Province, China, our factory offers unparalleled convenience for our esteemed clients. We are delighted to offer complimentary pick-up services from the HangZhou International Airport, conveniently located just 30 kilometers away-approximately a one-hour journey to our state-of-the-art facility. We warmly invite you to visit us and experience our celebrated hospitality firsthand. Witness our unwavering commitment to CHINAMFG and observe our cutting-edge operations in action as we demonstrate our dedication to quality and customer satisfaction at every step.

 

Successful Cases

 

In-Depth FAQ Section: Step into our meticulously curated FAQ domain, crafted with care to resolve your every query. Our comprehensive section provides you with the essential knowledge, empowering informed decision-making with total confidence.

Q1. Are you a trading company or manufacturer?
A: As a distinguished manufacturer, we specialize in crafting high-quality screw air compressors. With more than 10 years of dedicated excellence, our products are a testament to exceptional quality and superior craftsmanship.

Q2. How do you control quality?
A: 1. Our components undergo stringent quality checks against high industry standards, ensuring the superior quality of our raw materials as a foundational element.
2. Our precise installation processes guarantee a meticulous and flawless assembly, showcasing our attention to detail and dedication to creating unmatched products.
3. Each unit is subjected to rigorous testing for a minimum of 5 continuous hours before leaving our facility, ensuring CHINAMFG performance and reliability from the outset.

Q3. What information must I provide to get the suitable machine?
1. Specify the desired air delivery capacity (Unit: CFM or m³/Min) to enable us to tailor a solution that precisely meets your needs.
2. Indicate the working pressure specifications (Unit: PSI, Bar, or Mpa) for optimal machine performance and functionality.
3. Provide voltage and frequency details relevant to your region (V/Hz) to ensure seamless compatibility and integration.
4. Mention any additional accessories such as air tanks, filters, or dryers to enhance your setup’s efficiency and meet operational demands.
By sharing these vital details with us, we can craft a customized, high-performing solution tailored exclusively for you!

Q4. What is the general unit conversion?
1 Bar = 0.1 Mpa = 14.5 PSI, simplifying measurement conversions for your ease and convenience.
1 m³/min = 35.32 cfm, providing simplicity in airflow calculations, ensuring precise measurements.
1 KW = 1.34 HP, facilitating a clear understanding of energy and power capabilities with straightforward conversions.

Q5. What is the available voltage air compressor?
A: Sanzhi offers a versatile range of voltage options: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, and 440v/60hz/3p. We also provide customization to align perfectly with your specifications, ensuring seamless compatibility for every use case.

Q6. How long is the delivery time?
A: For standard voltage configurations, we promise swift delivery within 15 working days following order confirmation. For customized units, our sales team will offer a delivery timeline tailored to your specific needs.

Q7. What’s the payment term?
A: We offer flexible payment terms including a 30% T/T down payment, 40% T/T before shipment, and the remaining 30% T/T CHINAMFG receiving the B/L copy. Transactions are welcome in both USD and RMB for your convenience.

Q8. How about your warranty?
A: Our warranty provides complete coverage for 1 year on the entire machine, with an additional two-year warranty on the screw air compressor, excluding consumables, ensuring peace of mind and dependable operation.

Q9. What about the maintenance?
A: We suggest initiating a preliminary maintenance inspection after the initial 500 hours of operation. This ensures that the compressor operates at CHINAMFG efficiency. Following this, maintenance should be conducted every 2000 to 3000 hours. This adaptable schedule, tailored to your unique operating conditions, significantly prolongs the compressor’s lifespan and sustains its optimal performance.

Q10. Can machines be run in high-temperature environments?
A: Absolutely, our machines are designed with precision to excel under high-temperature conditions. They showcase exceptional durability, maintaining flawless performance across an extensive temperature spectrum from -20° to 45°C (-4ºF-113ºF). You can rely on their unparalleled performance, no matter the climate outdoors.

Q11. Do you offer OEM service?
A: Indeed, we warmly welcome both OEM and ODM orders, supported by our elite design team. We are fully equipped to fulfill your specific needs with accuracy and creativity, consistently assuring superior quality.

Q12. How long could your air compressor be used?
A: Typically, our air compressors feature an impressive lifespan, confidently surpassing 10 years. This ensures sustained performance and dependability, granting you both peace of mind and productivity in your operations.

Q13. Will you provide some spare parts for the machines?
A: Certainly, we are wholeheartedly dedicated to providing a comprehensive range of spare parts for all our machines. This dedication ensures you avoid any downtime, facilitating continuous and seamless operation.

Q14. What can you expect from our after-sales service?
A: We proudly deliver outstanding after-sales service, comprising comprehensive online support for installation and commissioning. Additionally, we can deploy our skilled engineers to your site for hands-on training and installation assistance, ensuring a smooth and flawless experience. Your satisfaction remains our utmost priority.

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Can air compressors be used for painting and sandblasting?

Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:

Painting:

Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:

• Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
• Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
• Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.

Sandblasting:

Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:

• Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
• Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
• Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.

When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.

Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.

How are air compressors utilized in pneumatic tools?

Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:

Power Source:

Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.

Air Pressure Regulation:

Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.

Air Volume and Flow:

Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.

Tool Actuation:

Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.

Versatility:

One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.

Portability:

Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.

Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.

What is the impact of tank size on air compressor performance?

The tank size of an air compressor plays a significant role in its performance and functionality. Here are the key impacts of tank size:

1. Air Storage Capacity: The primary function of the air compressor tank is to store compressed air. A larger tank size allows for greater air storage capacity. This means the compressor can build up a reserve of compressed air, which can be useful for applications that require intermittent or fluctuating air demand. Having a larger tank ensures a steady supply of compressed air during peak usage periods.

2. Run Time: The tank size affects the run time of the air compressor. A larger tank can provide longer continuous operation before the compressor motor needs to restart. This is because the compressed air in the tank can be used to meet the demand without the need for the compressor to run continuously. It reduces the frequency of motor cycling, which can improve energy efficiency and prolong the motor’s lifespan.

3. Pressure Stability: A larger tank helps maintain stable pressure during usage. When the compressor is running, it fills the tank until it reaches a specified pressure level, known as the cut-out pressure. As the air is consumed from the tank, the pressure drops to a certain level, known as the cut-in pressure, at which point the compressor restarts to refill the tank. A larger tank size results in a slower pressure drop during usage, ensuring more consistent and stable pressure for the connected tools or equipment.

4. Duty Cycle: The duty cycle refers to the amount of time an air compressor can operate within a given time period. A larger tank size can increase the duty cycle of the compressor. The compressor can run for longer periods before reaching its duty cycle limit, reducing the risk of overheating and improving overall performance.

5. Tool Compatibility: The tank size can also impact the compatibility with certain tools or equipment. Some tools, such as high-demand pneumatic tools or spray guns, require a continuous and adequate supply of compressed air. A larger tank size ensures that the compressor can meet the air demands of such tools without causing pressure drops or affecting performance.

It is important to note that while a larger tank size offers advantages in terms of air storage and performance, it also results in a larger and heavier compressor unit. Consider the intended application, available space, and portability requirements when selecting an air compressor with the appropriate tank size.

Ultimately, the optimal tank size for an air compressor depends on the specific needs of the user and the intended application. Assess the air requirements, duty cycle, and desired performance to determine the most suitable tank size for your air compressor.

editor by lmc 2025-02-24