China Factory Sanzhi 55kw Permanent Magnet VFD Screw Air Compressor with Adjustable Pressure for Industry Use

• Customization: Available
• After-sales Service: Online Technology Support
• Warranty: 1 Year for The Whole Machine & 2 Years for Airend
• Model NO.: SZ55VF-II
• Lubrication Style: Lubricated
• Cooling System: Air Cooling
• Power Source: AC Power
• Cylinder Position: Vertical
• Structure Type: Closed Type
• Installation Type: Stationary Type
• Type: Twin-Screw Compressor
• Brand Name: Sanzhi
• Power: 55kw
• Exhaust Pressure: 0.5-1.6 MPa
• Weight: 2280kg
• Condition: New
• Transport Package: Standard Wooden Package
• Specification: 2150*1300*1730mm
• Trademark: SZ
• Origin: Zhengzhou
• HS Code: 8414804990
• Production Capacity: 500PCS/Month
• Package Size: 220.00cm * 135.00cm * 183.00cm
• Package Gross Weight: 2280.000kg

Product Description

Product Structure

 

Internal Structure Frontside: The front view of our compressor unveils an intricate assembly of precision-engineered components, meticulously arranged to facilitate unmatched performance. This vantage point highlights the streamlined design and innovative configurations that drive the compressor's superior efficiency.

Internal Structure Backside: From the rear, the compressor reveals a harmonious blend of robust elements, designed for enduring reliability and streamlined maintenance. This perspective showcases the thoughtful layout and integrated systems that contribute to the compressor's impeccable functionality and durability.


Working Principle: Delve into the sophisticated mechanics of the Sanzhi compressor, where cutting-edge engineering principles converge to deliver a seamless and efficient compression process. A masterful orchestration of technology and innovation ensures every stage of operation is executed with precision, maximizing performance and efficiency.

In the majestic world of air compression technology, achieving the ideal balance where the power required for single-stage pressure transmission aligns with the total power of multi-stage compression is a formidable goal. However, real-world challenges like coupling power loss, bearing friction, and increased liquid viscosity cooling, escalate actual power consumption. To mitigate this, reducing the compression ratio at each stage emerges as a strategic solution. This tactic ensures that the energy requirements for multi-stage compression remain lower than those of a single-stage system, thereby optimizing performance and curbing energy wastage.

Introducing an advanced two-stage screw air compressor, featuring a cutting-edge design with dual rotary screw compressors, each equipped with both an active and a passive screw. The active screw, powered by an external transmission, animates the passive screw, creating a dynamic synergy. The process commences with a low-pressure rate screw group, progressing to a high-pressure rate configuration in the subsequent stage. Each screw is enveloped by a sealing air film that augments the rotational process, fostering efficient gas compression through an immaculate cycle of suction, pressurization, and exhaust, thus ensuring maximum efficiency and extraordinary performance.

First stage compression: In this crucial initial phase, the two-stage screw air compressor expertly utilizes a low-pressure rate screw group to compress the gas. As gas enters the screw compression chamber via the suction valve, the rapid rotation of the high-speed screw rotor compresses and propels the gas towards the second stage, establishing a robust foundation for efficient compression.

Second stage compression: Progressing to the second stage, the gas encounters a more confined screw space, where it undergoes increased temperature and pressure. As compression culminates, the exhaust valve activates, proficiently discharging high-pressure gas and ensuring the system maintains optimal efficiency.

Beginning its journey, natural air purified by an air filter is drawn into the first compression stage, where it blends with a trace amount of lubricating oil within the compression chamber. This mixture undergoes compression to interstage pressure, then traverses the cooling channel. Here, it interacts with a rich oil mist, substantially lowering its temperature. The cooled, compressed gas proceeds to the second-stage rotor for a subsequent compression round, achieving the final exhaust pressure. Completing its meticulously orchestrated journey, the gas exits via the exhaust valve, marking the conclusion of an impeccably managed compression process.

 

Detailed Photos

 

 

 

1) Unrivaled Efficiency of the PM Motor: Experience a new standard of efficiency with our permanent magnet motor! Boasting a vast constant torque and a robust weak magnetic range, this motor outshines traditional counterparts by an impressive 20-30%. Whether operating within or beyond the rated frequency, its efficiency remains exceptionally high, setting a benchmark in energy performance.

2) Effortless Motor Maintenance: Revolutionizing maintenance, the innovative design of our permanent magnet motor eliminates the need for internal bearings. This advancement not only trims down the costs associated with maintenance but also virtually eradicates the hassle of motor bearing upkeep and replacement, ensuring smooth and uninterrupted operation.

3) Effortlessly Integrated Frequency Converter: Harness the power of China's leading frequency system! It delivers a broad speed regulation range with pinpoint control, seamlessly aligning with actual gas requirements for optimal frequency modulation. This ensures the air compressor's remarkable energy-saving capabilities are realized to their fullest potential, making it a true energy efficiency marvel.

4) Perfect Transmission Efficiency: Achieve unparalleled transmission efficiency with our embedded integrative shaft structure. By directly coupling the permanent magnet motor and compressor, it offers a compact design with 100% transmission efficiency. This design marvel eliminates the need for traditional couplings or extra transmission components, streamlining performance.

5) Optimized Variable Frequency and Soft Start: Offer your power grid equipment the protection it deserves with our optimized variable frequency and soft start technology. It effectively mitigates the impact on electrical systems, safeguarding them against potential damage while ensuring seamless operation.

6) Superior Energy Efficiency: Welcome to a new era of energy efficiency! With a frequency conversion range spanning 25% to 100%-far broader than the typical 50% to 100%-our system achieves over 30% energy savings compared to fixed-speed compressors. Enjoy approximately 5% additional savings over standard variable frequency models, with greater gas consumption fluctuations yielding even more pronounced energy savings.

7) Groundbreaking Two-Stage Compression Air End: Witness the cutting-edge design of our two-stage compression screw machine. Ingeniously crafted, it integrates first and second-stage rotors within a singular casing. Each rotor is directly driven by gears, maintaining ideal linear speed and achieving peak compression efficiency, pushing the boundaries of performance.

8) Cutting-Edge Internal Spray Curtain Cooling: Our innovative internal spray curtain cooling technology stands at the forefront of energy efficiency. It delivers extraordinary cooling performance, significantly lowering compressed air temperatures. By reaching near-isothermal compression, it minimizes pressure loss and compression ratio, dramatically enhancing overall efficiency.

9) Reduced Internal Leakage: Enhance volume efficiency with our two-stage compression system, which reduces the compression ratio per stage. This clever design lessens internal leakage from high to low-pressure areas, ensuring optimal performance and reliability.

10) Outstanding Noise Reduction: Our two-stage compression technique is engineered to lower the compression ratio, resulting in significantly reduced noise levels, especially during unloading phases. Experience a quieter working environment without compromising on power or efficiency.

11) Streamlined Maintenance and Service: Maintenance and service have never been easier with our two-stage compressor unit. Maintaining the same system structures as single-stage compression, aside from the screw air end, it simplifies maintenance tasks and user operations, ensuring your workflow remains smooth and efficient.

 

Product Parameters

 

Sanzhi (Henan) Compressor Co,. Ltd.
Two-Stage Compression Permanent Magnet Variable Frequency Screw Air Compressor
Model	Power	Exhaust pressure	Free air delivery* of unit at working pressure	Voltage	Frequency	Air outlet discharge size	Weight	Dimensions
	KW	Mpa	m³/min	V	Hz	Inch	Kg	L*W*H(mm)
SZ15VF-II	15	0.5	4.00	380	50	G1½	660	1450*780*1180
		0.8	3.00
		1.3	2.00
SZ19VF-II	18.5	0.5	5.00	380	50	G1½	680	1450*780*1180
		0.8	4.00
		1.3	3.80
		1.6	2.20
SZ22VF-II	22	0.5	6.60	380	50	G1½	730	1650*880*1280
		0.8	4.20
		1.3	3.00
		1.6	2.50
SZ30VF-II	30	0.5	7.00	380	50	G1½	980	2000*1260*1560
		0.8	6.40
		1.3	4.00
		1.6	3.00
SZ37VF-II	37	0.5	10.00	380	50	G1½	1080	2000*1260*1560
		0.8	7.00
		1.3	5.50
		1.6	4.00
SZ45VF-II	45	0.5	13.00	380	50	G2	1980	2000*1260*1560
		0.8	10.00
		1.3	6.50
		1.6	5.00
SZ55VF-II	55	0.5	17.00	380	50	G2	2180	2150*1300*1730
		0.8	12.00
		1.3	8.60
		1.6	5.00
SZ75VF-II	75	0.5	20.00	380	50	G2	2280	2150*1300*1730
		0.8	16.50
		1.3	11.00
		1.6	9.00
SZ90VF-II	90	0.5	24.00	380	50	DN65	3200	2700*1920*1820
		0.8	20.00
		1.3	14.00
		1.6	11.00
SZ110VF-II	110	0.5	28.00	380	50	DN65	3360	2700*1920*1820
		0.8	24.50
		1.3	18.00
		1.6	14.00
Due to product updates, the above parameters are subject to deviation in kind.

Our Advantages

 

1. Price Advantage

We offer our esteemed customers the opportunity to benefit from direct ex-factory pricing, enabling them to shine with a commanding competitive edge in the market.

2. Direct Deal
Our entire product lineup is accessible directly from the factory, ensuring you receive highly cost-effective and value-rich solutions.

3. OEM & ODM Services
Take advantage of our factory's exceptional production and management capabilities, empowering us to offer bespoke OEM and ODM services tailored to your specific demands.

4. Customized Service
We welcome non-standard and export orders with flexible adaptations in voltage, power, and pressure specifications, ensuring they are meticulously customized to your precise requirements. Contact us to explore your specific needs.

5. Accept Small Orders
Evaluate the extraordinary quality of our products with a small trial order, ideally suited for your initial assessment needs.

6. Fast Delivery
Enjoy the peace of mind that comes with our commitment to high-quality product fulfillment, ensuring timely delivery every single time.

7. Complete Authorization
For our trusted distributors, we offer comprehensive authorization certificates, empowering you to confidently market and distribute our prestigious SANZHI brand products.

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Packaging & Shipping

Company Profile

 

Sanzhi (Henan) Compressor Co., Ltd rises above as an industry leader, celebrated for over a decade of unmatched proficiency in the art of crafting top-tier screw air compressors and vacuum pumps. Our expansive and diverse portfolio presents a plethora of options, including both standard and low-pressure screw air compressors. Step into the future with our revolutionary permanent magnet frequency conversion screw air compressors and our sophisticated two-stage compression models. For those with specialized needs, explore our screw air compressors tailored for laser cutting, alongside our adaptable single and double-tank mobile screw air compressors. Enhance your operations with our high-efficiency electric mobile screw air compressors, resilient diesel mobile options, and pioneering screw vacuum pumps, among other groundbreaking solutions.

Our state-of-the-art production facilities are a testament to modern-day innovation, featuring advanced multi-air compressor assembly lines engineered for optimal efficiency. These facilities represent the pinnacle of lean manufacturing and contemporary production methodologies. Our dedicated team of over 50 skilled professionals continually refines our management systems, including ERP, to significantly curtail lead times, ensuring our esteemed clients receive top-tier products promptly and reliably.

Our unwavering commitment to superior quality management is highlighted by our factory's prestigious ISO9001 certification, underscoring our stringent adherence to rigorous quality management protocols. Every machine undertakes a comprehensive quality odyssey, marked by meticulous material inspections, detailed production evaluations, and rigorous pre-delivery inspections, ensuring only the finest machines leave our doors.

In the realm of customer service, we excel by offering expert pre-sales guidance, aiding clients in selecting the most suitable air equipment tailored to their precise needs. We offer extensive customization in both aesthetics and configuration. Our unmatched ability to deliver bespoke products that meet dealers' unique requirements, including OEM solutions, sets us apart in the market. Additionally, our dedicated sales and service teams provide rapid and proficient after-sales support, guaranteeing complete customer satisfaction.

At Sanzhi (Henan) Compressor Co., Ltd, our passionate drive to produce products that epitomize exceptional quality and steadfast reliability fosters long-lasting relationships with our valued clients. Our commitment to prompt delivery, exceptional product quality, and competitive pricing establishes us as the trusted partner of choice for all your compressed air solution needs.

Nestled in the dynamic city of Xinzheng, Henan Province, China, our factory is strategically positioned a mere 30 kilometers from Xinzheng International Airport. We warmly invite you to visit us, offering complimentary transfers from the airport to our facility, ensuring your experience is seamless and graciously welcoming. Welcome to Sanzhi (Henan) Compressor Co., Ltd!

FAQ

 

Q1. Are you a trading company or manufacturer?
A: We are a professional manufacturer of screw air compressors, with more than 10 years of experience.

Q2. How do you control quality?
A: 1. The raw materials are strictly inspected.
2. Installation procedures are strictly controlled.
3. Each machine must pass at least 5 hours of continuous testing before leaving the factory.

Q3. What information must I provide to get the suitable machine?
1. How much air delivery capacity (Unit: CFM or m³/Min)
2. How much working pressure (Unit: PSI, Bar or Mpa)
3. What is the voltage and frequency of my country of residence (V/Hz)
4. Whether I need other accessories such as an air tank, filters, and/or air dryers.
Tell us the answer, we will offer a scheme for you!

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

Q5. What is the available voltage air compressor?
A: Sanzhi available voltage include 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, and can be customized according to your requirements.

Q6. How long is the delivery time?
A: For standard voltage,15 working days after the confirmed order. Non-standard, please contact our sales.

Q7. What's the payment term?
A: 30% T/T in advance, 40% T/T before shipment, and 30% T/T against the B/L copy. USD, RMB can be accepted.

Q8. How about your warranty?
A: One year for the whole machine and two years for screw air compressor, except for consumable spare parts.

Q9. What about the maintenance?
A: First maintenance needs to be done after 500 hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q10. Can machines be run in high-temperature environment?
A: Yes, machines would run in high-temperature environment countries. Working temperature from -20° to 45°(-4ºF-113ºF).

Q11. Do you offer OEM service?
A: Yes, with a professional design team, both OEM & ODM orders are highly welcome.

Q12. How long could your air compressor be used?
A: Generally, more than 10 years.

Q13. Will you provide some spare parts for the machines?
A: Yes, of course.

Q14. How about your after-sales service?
A: Provide customers with installation and commissioning online instructions, and arrange for our engineers to help you with training and installation.