China Sanzhi Factory Oil Lubrication Inverter Low-Pressure Screw Air Compressor with High-Performance Features

• Customization: Available
• After-sales Service: Online Technology Support
• Warranty: 1 Year for The Whole Machine & 2 Years for Airend
• Model NO.: SZ37
• 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
• Power: 37kw
• Weight: 770kg
• Voltage: 220V / 380V / 415V / 440V 3pH
• Pressure: 0.15-0.4 MPa
• Volumetric Flow: 10 M³/Min
• Air Outlet Discharge Size: G1½"
• Condition: New
• Transport Package: Standard Wooden Packing
• Specification: 1500*940*1350mm
• Trademark: SZ
• Origin: Zhengzhou, China
• HS Code: 8414804990
• Production Capacity: 500PCS/Month
• Package Size: 155.00cm * 95.00cm * 145.00cm
• Package Gross Weight: 770.000kg

Product Description

Presenting the revolutionary Special Screw Air Compressor from the esteemed Sanzhi (Henan) Compressor Co., Ltd. This exceptional marvel of contemporary engineering is set to transform Powder Conveying across a spectrum of demanding industrial sectors. The exquisitely designed Closed Type Low Pressure Stationary Screw Air Compressor is crafted with precision to surpass the rigorous standards of varied applications, including Cement Mixing Plants, Flour Mills, Coal Ash management, and Mineral Powder processing. It delivers unparalleled precision and efficiency, offering a remarkable selection of power capabilities from 11KW, 22KW, 37KW, 45KW, to 55KW. This compressor exemplifies extraordinary performance and operational excellence, positioning itself as the definitive choice for your industrial needs. Count on this dependable and highly functional solution to enhance your operations with unwavering consistency and superior results.
 

Product Structure

Why Choose Sanzhi's Special Dust Compressor?

Step into the future of dust conveying technology with our premium low-pressure air compressor, the epitome of exceptional engineering and cutting-edge functionality. Crafted with precision to tackle the challenges of transporting materials like dust and cement efficiently, this powerhouse operates within a versatile pressure range of 0.15-0.4Mpa. Its direct drive is amplified by a generously proportioned head and optimized low rotational speed, all contributing to a performance that stands unmatched. Featuring a distinguished oil-air separation structure, precision German engineering ensures an operational environment that's tranquil with minimal noise and vibration. Revel in the ease of installation, requiring no foundational support. Experience rapid airflow of compressed air with an impressively low oil content of under 2PPM, tailored perfectly to meet your volume requirements. Furthermore, the radiator's innovative design, free from after-cooling devices, makes it outstanding for transporting moisture-sensitive materials such as cement and flour. This ingenious design effectively prevents issues like coking and caking, facilitating flawless material conveyance.

Sanzhi proudly presents its trailblazing low-pressure air compressor, an innovative marvel engineered for exceptional dust conveying proficiency across numerous industries. Whether handling cement, mineral powder, coal ash unloading, or textile fermentation, this compressor offers unmatched versatility and energy-saving capabilities. Setting a new benchmark in efficiency, it redefines operational processes. Envision a scenario with a 9.6-meter cement tanker, which conventionally requires over an hour and a half for unloading with ordinary equipment, incurring high fuel costs and inefficiencies. In stark contrast, Sanzhi's robust 37KW air compressor slashes unloading time to a mere 40 minutes, remarkably enhancing productivity, minimizing fuel consumption, and delivering significant cost savings.
 

Detailed Photos

 

Direct-Connected Rotation Motor
Boasting an impressive insulation grade of F and a protective layer rated IP55, this motor ensures a continuous flow of power with unwavering stability. It provides consistent load performance with exceptional efficiency, promising unmatched durability for long-term use.

German Technology Air End
Harnessing the power of cutting-edge German engineering, this air end features a large rotor and a low-speed design that drive outstanding efficiency. Operating with reduced noise and minimal vibrations, it ensures superior reliability, minimizes leakage, and delivers exceptional volume efficiency.
 

Smart Button Screen
Expertly engineered for user-friendly operation, this smart button screen offers effortless functionality with rapid response times. The display is bright and intuitive, requiring minimal maintenance, significantly enhancing operational convenience and user experience.

Cooling System
Our state-of-the-art cooling system design boasts a vast heat exchange area, effectively preventing overheating. It safeguards against oil emulsification and coking due to high temperatures, ensuring peak performance under all operational conditions.
 

Reliable Oil and Air Separator
With its vertical tangential cyclone separation design, this component guarantees efficient oil and air separation. It simplifies cartridge replacement, reduces maintenance costs, and supports seamless, trouble-free operation.

Safe and Zero Leakage Connection
Sanzhi revolutionizes connectivity by replacing traditional low-cost hydraulic hoses with high-rigidity pipes and flexible joints. This innovation provides robust, burst-free connections with a rubber O-ring, offering a flawless leak-proof seal.
 

Aluminum Intake Valve
This advanced valve operates seamlessly during loading and unloading, featuring noise reduction for the host. It ensures stable, long-lasting performance with a smooth, wear-resistant surface, guaranteeing dependable air supply capabilities.

Oil Viewing Mirror
Crafted from high-quality PMMA material, this viewing mirror offers excellent transparency and withstands high temperatures. It allows easy monitoring of oil levels and lubrication status, enabling timely replacements to prevent equipment damage.
 

Excellent Air Filter
Designed for superior air purification, this advanced filter system creates a pristine air environment with a triple filtration process. It effectively meets emission standards by eliminating both substantial steam and fine dust particles, promoting cleaner air quality.

Oil Filter
Meticulously crafted, this oil filter is designed to remove impurities from the lubricating oil, ensuring optimal lubrication of the head and prolonging the air compressor's operational life for sustained performance.

High-Quality Soundproof Cotton
Encased in a snug noise reduction housing, the premium soundproof cotton significantly enhances noise suppression, ensuring zero vibration during operation for a quieter, more efficient workspace.

 

Product Parameters

Model	Power	Pressure	Free air delivery* of unit at working pressure	Voltage	Frequency	Noise Level	Air outlet discharge size	Weight	Dimensions
	KW	Mpa	m³/min	V	Hz	dB(A)	Inch	Kg	L*W*H(mm)
SZ7.5	7.5	0.15-0.4	1.91	380	50	62	G3/4"	300	700*700*1020
SZ11	11	0.15-0.4	2.7	380	50	62	G3/4"	320	700*700*1020
SZ15	15	0.15-0.4	3.2	380	50	63	G1"	530	1250*780*1220
SZ18	18.5	0.15-0.4	4.5	380	50	65	G1"	560	1250*780*1220
SZ22	22	0.15-0.4	5.3	380	50	66	G1"	570	1250*780*1220
SZ30	30	0.15-0.4	7.1	380	50	67	G1½"	740	1500*940*1350
SZ37	37	0.15-0.4	10.0	380	50	68	G1½"	770	1500*940*1350
SZ45	45	0.15-0.4	11.0	380	50	70	G1½"	1060	1800*1100*1600
SZ55	55	0.15-0.4	13.0	380	50	73	G2"/DN50	1250	1800*1100*1600
SZ75	75	0.15-0.4	18.0	380	50	73	G2"/DN50	1480	1900*1200*1700
SZ90	90	0.15-0.4	21.0	380	50	78	DN80	2030	2200*1600*1800
SZ110	110	0.15-0.4	27.0	380	50	78	DN80	2450	2250*1600*1800
SZ132	132	0.15-0.4	32.0	380	50	78	DN80	2550	2300*1700*1900
SZ160	160	0.15-0.4	40.0	380	50	78	DN80	2710	2800*1900*2000
SZ185	185	0.15-0.4	45.0	380	50	78	DN100	3800	2800*1760*1920
SZ200	200	0.15-0.4	48.0	380	50	78	DN100	4100	3300*2200*2000
SZ220	220	0.15-0.4	53.0	380	50	78	DN100	4950	3000*2100*2150
SZ250	250	0.15-0.4	60.0	380	50	78	DN100	5200	3000*2100*2150
SZ315	315	0.15-0.4	75.0	380	50	78	DN100	5650	3500*2250*2150
SZ355	355	0.15-0.4	85.0	380	50	78	DN100	5750	3500*2250*2150
Due to product updates, the above parameters are subject to deviation in kind.

Product Features

Rugged and durable
Meticulously crafted to epitomize strength and resilience, the Inverter Low-Pressure Screw Air Compressor by Sanzhi (Henan) Compressor Co., Ltd. becomes your steadfast ally in continuous 24/7 operations. Its extraordinary capability to start and stop up to an impressive 3 million times ensures unwavering and dependable performance, even amidst the most demanding conditions. Rely on its robust dependability to continually deliver peak performance when you need it most.

Intelligent control
Dive into the forefront of innovation with a cutting-edge electrical system, masterfully integrated with sophisticated and user-friendly computer intelligence. The design of this compressor is geared towards ensuring secure and reliable operation, enhanced by the latest technological advancements. Revel in unparalleled efficiency and ease across all industrial applications, making it an indispensable asset in your operational arsenal.

Easy use
Thoughtfully engineered with user convenience as a priority, this compressor ensures a seamless experience in installation, operation, and maintenance. Its streamlined and effective design accommodates a broad spectrum of industrial needs, establishing it as the premier choice for enterprises that prioritize intuitive and efficient solutions in their operational workflows.

Energy saving
Unlock exceptional operational efficiency with extraordinary energy savings. Expertly crafted to significantly minimize energy use, this compressor empowers you to reduce costs by a remarkable 30-50%. It's the ideal choice for those searching for an economically savvy and eco-friendly option, merging formidable performance with sustainable practices for a brighter future.

High-temperature shutdown protection
Equipped with an automatic high-temperature shutdown feature, this compressor stands as a vigilant sentinel against overheating, shielding your equipment from potential harm and eradicating safety threats. It assures enhanced durability and peace of mind, reinforcing its status as an invaluable component for your industrial operations.

Packaging & Shipping

Our Advantages

1. Unbeatable Competitive Pricing Advantage

Revel in our ex-factory pricing strategy that gives our clients a formidable edge over competitors. This advantageous pricing structure opens doors to unprecedented growth and prosperity in the marketplace.

2. Direct Dealings for Ultimate Value
Gain unmatched value with every purchase from our cutting-edge facility. Our direct-from-factory supply ensures optimal cost-effectiveness, maximizing your investment.

3. Comprehensive OEM & ODM Services
Our factory's robust production and management prowess empower us to offer extensive OEM/ODM services. We meticulously cater to your diverse and precise demands, crafting solutions that perfectly align with your business goals.

4. Tailored Customization Services for Unique Solutions
We enthusiastically embrace custom orders, including export needs and unique specifications like voltage, power, and pressure. Collaborate with us to achieve precision in meeting your specialized criteria.

5. Flexible Small Order Acceptance
Start your journey with our exceptional products by initiating a small trial order. This opportunity allows you to experience firsthand the remarkable quality that distinguishes us.

6. Swift and Efficient Rapid Delivery
Committed to excellence, we ensure timely, efficient delivery of premium products, seamlessly aligning with your operational schedules.

7. Comprehensive Authorization for Confident Representation
As a distributor, you will be empowered with full authorization, positioning you to represent and promote the esteemed SANZHI brand with unparalleled assurance.

Showcasing Our Successful Cases

Certifications

About us

Sanzhi (Henan) Compressor Co., Ltd stands as a beacon of innovation and reliability in the dynamic world of screw air compressors and vacuum pumps. For over a decade, our expertise has radiated through our comprehensive range of products, spanning the spectrum from regular to low-pressure screw air compressors. Our sophisticated collection showcases cutting-edge permanent magnet frequency conversion models and highly efficient two-stage compression screw air compressors. Crafted with precision, we deliver designs specifically tailored for laser cutting applications. Our portfolio also features versatile single and double-tank mobile screw air compressors. To address diverse industrial requirements, we offer an extensive selection of electric and diesel mobile screw air compressors, alongside advanced screw vacuum pumps, ensuring bespoke solutions for every industrial need.

Our production strength is underscored by state-of-the-art multi-air compressor assembly lines, epitomizing modern efficiency. With the support of our dedicated team of over 50 skilled professionals, we continually enhance our management systems, including ERP, to streamline operations, minimize lead times, and ensure the prompt delivery of superior products. Our unwavering focus on innovation and excellence ensures that our clients receive products of the highest quality and exceptional performance.

Our unwavering pursuit of excellence is exemplified by our ISO9001 quality management system certification, underscoring our steadfast commitment to rigorous quality control. We meticulously adhere to quality management practices, ensuring each machine undergoes comprehensive inspections of materials, production, and pre-delivery. This exhaustive process guarantees that every product emerging from our factory is a testament to our unwavering quality standards.

Our customer service philosophy is grounded in offering exceptional pre-sales and after-sales support. We provide expert guidance to assist customers in selecting the optimal air equipment solutions, offering high levels of customization in both aesthetics and functionality. Our ability to produce OEM products underscores our flexibility in meeting the varied demands of dealers. Post-purchase, our proficient sales and service team remains poised to deliver swift and efficient support, reasserting our firm commitment to customer satisfaction.

At Sanzhi (Henan) Compressor Co., Ltd, our mission is to provide outstanding and reliable products, cultivating enduring partnerships with our esteemed clients. We take pride in our efficient delivery, unrivaled quality, and competitive pricing, establishing us as the trusted provider for comprehensive compressed air solutions. Our steadfast commitment to these core principles assures customers of a truly rewarding and seamless experience with our offerings.

Situated in the vibrant city of Xinzheng, Henan Province, China, our factory stands as a symbol of innovation and excellence. Conveniently located just 30 kilometers from Xinzheng International Airport, we warmly welcome you and are delighted to arrange transportation from the airport to our facility, a picturesque journey of approximately one hour. We eagerly anticipate your visit and the opportunity to demonstrate our unwavering dedication to quality and service.

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In-Depth Expert Answers to Your Frequently Asked Questions

Q1. Are you a trading company or manufacturer?
A: We are a distinguished manufacturer of screw air compressors, with over ten years of unparalleled expertise and innovation, setting industry standards.

Q2. How do you ensure top quality?
A: 1. Our steadfast dedication to quality initiates with a thorough inspection of each raw material batch, ensuring the crème de la crème.
2. Our installations are performed with meticulous care under stringent supervision, ensuring optimal performance and unwavering reliability.
3. Every machine is rigorously tested over a continuous 5-hour period, confirming impeccable operation before it leaves our premises.

Q3. What essential information should I provide to select the ideal machine?
1. Kindly specify your required air delivery capacity (Unit: CFM or m³/Min) for perfect alignment with your application.
2. Please identify the desired working pressure (Unit: PSI, Bar, or Mpa) to achieve your target results.
3. Share your country's voltage and frequency details (V/Hz) for a solution precisely tailored to your specifications.
4. Mention any additional accessories you might need, such as air tanks, filters, or air dryers, for a complete setup.
Provide these specifications, and we will tailor-make 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 voltages are available for your air compressors?
A: Sanzhi offers a versatile selection of voltages: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, with customization options tailored to your specific needs.

Q6. What is the expected delivery timeline?
A: For orders with standard voltages, expect dispatch within 15 working days after order confirmation. Non-standard voltage requirements? Please contact our sales team.

Q7. What are your payment terms?
A: Our payment terms are 30% T/T in advance, 40% T/T before shipment, and 30% T/T upon receipt of the B/L copy. Transactions available in USD and RMB.

Q8. What does your warranty cover?
A: Benefit from comprehensive coverage with a one-year full machine warranty and an extended two-year warranty on the screw compressor (excluding consumables).

Q9. How is maintenance managed?
A: We advise an initial maintenance service after 500 hours, with regular follow-ups every 2000-3000 hours, customized to operational conditions.

Q10. Can the machines operate in high-temperature environments?
A: Absolutely, our machines are expertly engineered for seamless operation in high-temperature settings, enduring temperatures from -20° to 45°(-4ºF-113ºF).

Q11. Do you provide OEM services?
A: Led by our innovative design team, we are delighted to offer both OEM & ODM services to materialize your unique vision.

Q12. What is the typical lifespan of your air compressors?
A: Crafted with precision and designed for enduring performance, our state-of-the-art air compressors are engineered to deliver over a decade of unparalleled, reliable, and efficient service. This longevity sets a remarkable benchmark in durability and performance, ensuring that your investment in our compressors is nothing short of remarkable.

Q13. Will you provide some spare parts for the machines?
A: Absolutely, we are thrilled to offer a broad selection of durable and high-quality spare parts. This comprehensive inventory guarantees that your machines operate with outstanding performance and reliability. By having these robust spares readily available, you significantly enhance their operational lifespan and functionality, keeping your systems at peak performance.

Q14. How about your after-sales service?
A: Our after-sales service is truly exceptional and stands as a testament to our commitment to customer satisfaction. We provide comprehensive online guidance, making the installation and commissioning process straightforward and hassle-free. In addition, our extensive training sessions and personalized setup support, led by our team of expert engineers, ensure your operations run seamlessly and with optimal efficiency, leaving no room for error.