China Factory Low Pressure Screw Air Compressor 37kw 3pH, 770kg, 220V/380V/415V/440V

• 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

Introducing the groundbreaking Special Screw Air Compressor from Sanzhi (Henan) Compressor Co., Ltd., a true pinnacle of modern engineering innovation designed to revolutionize Powder Conveying in a wide range of high-demand industrial environments. This sophisticated Closed Type Low Pressure Stationary Screw Air Compressor is meticulously engineered to meet and exceed the stringent requirements of diverse applications such as Cement Mixing Plants, Flour Mills, Coal Ash handling, and Mineral Powder processing, delivering unmatched precision and efficiency. With an impressive array of power options ranging from 11KW, 22KW, 37KW, 45KW, to 55KW, this compressor guarantees extraordinary performance and operational excellence. It stands as the ultimate solution for your industrial applications, providing steadfast reliability and exceptional functionality that your operations can consistently depend on.
 

Product Structure

Why Choose Sanzhi Dust Special Compressor?

Step into the future of dust conveying technology with the Fixed Frequency Low-Pressure Screw Air Compressor for Industrial Use, an extraordinary masterpiece of advanced engineering and functionality. Expertly crafted to handle the efficient transport of materials like dust and cement, this powerhouse operates within an adaptable pressure range of 0.15-0.4Mpa. Equipped with a direct drive seamlessly integrated with a generously proportioned head, and optimized for low rotational speed, it delivers unparalleled performance and efficiency. The compressor features a distinguished oil-air separation structure with precision German engineering to ensure a serene operational environment with minimal noise and vibration. Enjoy effortless installation with no foundational support needed. Experience a rapid airflow of compressed air with exceptionally low oil content, under 2PPM, perfectly tailored to meet your volume requirements. The radiator, designed without after-cooling devices, is ideal for transporting moisture-sensitive materials like cement and flour, preventing issues such as coking and caking, ensuring impeccable material conveyance.

Sanzhi proudly unveils its groundbreaking low-pressure air compressor, a marvel of innovation engineered for exceptional dust conveying proficiency across a broad spectrum of industries. Whether managing cement, mineral powder, coal ash unloading, or textile fermentation, this compressor offers unmatched versatility and energy efficiency. Reimagine operational processes with a 9.6-meter cement tanker that previously required over an hour and a half for unloading with conventional equipment, resulting in high fuel costs and inefficiencies. In contrast, Sanzhi's robust 37KW air compressor reduces unloading time to just 40 minutes, significantly boosting productivity, lowering fuel consumption, and delivering impressive cost savings.
 

Detailed Photos

 

Direct-Connected Rotation Motor
Our powerful motor, boasting an impressive insulation grade of F and an IP55 protection rating, guarantees a continuous power supply with remarkable stability. This motor excels in delivering consistent performance even under load, with outstanding efficiency and unmatched durability for long-term use.

German Technology Air End
Discover the epitome of engineering excellence with our German-designed air end. Featuring a large rotor and a low-speed design, this component achieves superior efficiency. It operates quietly with minimal vibrations, ensuring exceptional reliability and reducing leakage while maximizing volume efficiency.
 

Smart Button Screen
Crafted for effortless user interaction, our smart button screen ensures easy operation with rapid response times. Its vivid, intuitive display demands minimal maintenance, significantly enhancing operational ease and user convenience.

Cooling System
Our cutting-edge cooling system incorporates an expansive heat exchange area to efficiently prevent overheating. This design avoids oil emulsification and coking from high temperatures, maintaining optimal performance across diverse operational conditions.
 

Reliable Oil and Air Separator
Featuring a vertical tangential cyclone separation design, this component excels in efficient oil and air separation. It simplifies cartridge replacement, reduces maintenance costs, and ensures seamless, uninterrupted operation.

Safe and Zero Leakage Connection
Sanzhi transforms connectivity by replacing traditional hydraulic hoses with high-rigidity pipes and flexible joints. This innovation guarantees robust, burst-free connections, accompanied by a rubber O-ring for a flawless leak-proof seal.
 

Aluminum Intake Valve
Operating seamlessly during both loading and unloading, this valve reduces noise for the host, ensuring stable and lasting performance. It features a smooth, wear-resistant surface, guaranteeing reliable air supply capabilities.

Oil Viewing Mirror
Crafted from PMMA, this viewing mirror ensures excellent transparency and withstands high temperatures. It allows for straightforward monitoring of oil levels and lubrication status, facilitating timely replacements to prevent equipment damage.
 

Excellent Air Filter
Designed for superior air purification, this advanced filter system ensures a clean air environment through its triple filtration process. It effectively meets emission standards by removing large steam and fine dust particles.

Oil Filter
Meticulously engineered, this oil filter proficiently removes impurities from the lubricating oil. It ensures optimal lubrication of the head, thus extending the operational life of the air compressor.

High-Quality Soundproof Cotton
Encased in a specially designed noise reduction casing, the high-grade soundproof cotton significantly enhances noise suppression, ensuring zero vibration for a quieter and more efficient work environment.

 

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 withstand the test of time, the Fixed Frequency Low-Pressure Screw Air Compressor is tailor-made for industrial use, showcasing superior strength and endurance. Your ally for continuous 24/7 operations, it boasts a phenomenal capacity to start and stop a staggering 3 million times, ensuring consistent, high-level performance even amidst the most demanding industrial environments. Count on its unwavering dependability to fulfill your needs whenever they arise.

Intelligent Control
Experience reliability redefined with our state-of-the-art electrical system, seamlessly integrated with advanced computer intelligence. This compressor is meticulously engineered to offer unwavering safety and dependable performance, leveraging the latest technological breakthroughs for exceptional operation. Discover optimal efficiency and unparalleled convenience that meet the diverse demands of your industrial applications.

Effortless Use
Embodying ultimate user-friendliness, this compressor is a beacon of simplicity in installation, operation, and maintenance. Its intuitive and efficient design addresses an array of industrial needs, establishing itself as the choice of preference for businesses that prioritize smooth and effective solutions in their day-to-day operations.

Energy Saving
Embrace remarkable operational efficiency complemented by significant energy savings with this forward-thinking compressor. Skillfully designed to curtail energy use, it offers an impressive reduction in costs by 30-50%. It's the ideal choice for those aiming for a cost-efficient and eco-friendly option, merging top-notch performance with sustainable practices.

High-Temperature Shutdown Protection
Armed with an automatic high-temperature shutdown feature, this compressor serves as a vigilant protector against overheating, safeguarding your equipment from potential damage and eliminating safety risks. It promises enhanced durability and tranquility, rendering it an invaluable asset for your industrial operations.

Packaging & Shipping

Our Advantages

1. Unbeatable Competitive Pricing Advantage

We proudly present direct ex-factory pricing that empowers our customers with a remarkable competitive edge in the marketplace, allowing you to thrive and grow your business with unmatched financial advantage.

2. Direct Dealings for Ultimate Value
Every product is supplied straight from our state-of-the-art factory, ensuring you receive unparalleled value and cost-effectiveness with every purchase, directly enhancing your profitability and satisfaction.

3. Comprehensive OEM & ODM Services
Our factory boasts unparalleled production and management capabilities, enabling us to deliver complete OEM/ODM services meticulously tailored to meet your diverse and exacting needs, ensuring your products stand out in the competitive market.

4. Tailored Customization Services for Unique Solutions
We warmly welcome non-standard orders, export demands, and bespoke specifications such as voltage, power, pressure, and more. Partner with us to fulfill your unique requirements with precision and excellence.

5. Flexible Small Order Acceptance
Kickstart your experience with Sanzhi's exceptional products by placing a small trial order, allowing you to witness their extraordinary quality and performance firsthand, and build a lasting partnership.

6. Swift and Efficient Rapid Delivery
We are committed to delivering high-quality products promptly and reliably, ensuring your operations proceed without a hitch and maintain your business momentum seamlessly.

7. Comprehensive Authorization for Confident Representation
Our distributors receive comprehensive authorization certificates, empowering you to represent and sell the prestigious SANZHI brand with absolute confidence, enhancing your market reputation and customer trust.

Showcasing Our Successful Cases

Certifications

About us

Sanzhi (Henan) Compressor Co., Ltd is a beacon of innovation and reliability in the dynamic world of screw air compressors and vacuum pumps. For over a decade, our expertise has shone brightly in crafting a versatile array of products, ranging from regular to low-pressure screw air compressors. Our advanced portfolio includes state-of-the-art permanent magnet frequency conversion models, and efficient two-stage compression screw air compressors, each tailored with precision. We offer designs specifically optimized for laser cutting applications. Our diverse collection also boasts versatile single and double-tank mobile screw air compressors. To meet various industrial needs, we provide an extensive selection of electric and diesel mobile screw air compressors, along with sophisticated screw vacuum pumps, ensuring tailored solutions for every industrial demand.

Our production strength is highlighted by cutting-edge multi-air compressor assembly lines, epitomizing modern efficiency and excellence. Supported by a dedicated team of over 50 talented professionals, we continually refine our management systems, including ERP, to enhance operations, reduce lead times, and ensure the rapid supply of superior products. Our relentless focus on innovation and excellence guarantees that our clients receive products of the highest quality and outstanding performance.

Our relentless pursuit of excellence is showcased by our ISO9001 quality management system certification, demonstrating our rigorous quality control commitment. We meticulously adhere to quality management practices, ensuring each machine undergoes comprehensive inspections of materials, production, and pre-delivery. This thorough process assures every product from our factory is a testament to our unwavering quality standards.

Our customer service philosophy centers on providing exceptional pre-sales and after-sales support. We offer expert guidance to help customers select the best air equipment solutions, with high customization levels in aesthetics and functionality. Our capability to produce OEM products highlights our flexibility in meeting varied dealer demands. Post-purchase, our proficient sales and service team stands ready to offer swift and efficient support, reaffirming our firm commitment to customer satisfaction.

At Sanzhi (Henan) Compressor Co., Ltd, our mission is to deliver outstanding and reliable products, fostering enduring partnerships with our cherished clients. We pride ourselves on efficient delivery, unbeatable 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 lively city of Xinzheng, Henan Province, China, our factory stands as a symbol of innovation and excellence. Conveniently located a mere 30 kilometers from Xinzheng International Airport, we warmly welcome you and happily arrange transportation from the airport to our facility, a scenic journey of about an hour. We eagerly look forward to your visit and the opportunity to showcase our unwavering dedication to quality and service.

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Comprehensive Expert Solutions for Your Most Common Inquiries

Q1. Are you a trading company or manufacturer?
A: As a leading manufacturer, Sanzhi (Henan) Compressor Co., Ltd. prides itself on crafting high-quality screw air compressors. With over ten years of unparalleled expertise, our commitment to innovation and excellence has set new benchmarks in the industry.

Q2. How do you ensure top quality?
A: 1. Our unwavering commitment to quality initiates with meticulous testing of every batch of raw materials, guaranteeing unmatched excellence.
2. Our installation process is executed with precise accuracy and stringent supervision, ensuring superior performance and reliability.
3. Each machine undergoes an exhaustive 5-hour test to ensure flawless operation before it leaves our facility.

Q3. What essential information should I provide to select the ideal machine?
1. Please specify the required air delivery capacity for your application (Unit: CFM or m³/Min).
2. Define the necessary working pressure to achieve optimal functioning (Unit: PSI, Bar, or Mpa).
3. Provide your country's voltage and frequency specifications (V/Hz) for a customized solution.
4. Indicate any additional accessories needed, such as air tanks, filters, or air dryers, for a comprehensive setup.
Share these details, and our team will create the perfect solution tailored to your needs!

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 array of voltages: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, with bespoke customization options to meet your specific requirements.

Q6. What is the expected delivery timeline?
A: Orders with standard voltage are dispatched within 15 working days after confirmation. For non-standard voltage requirements, our team is ready to assist you.

Q7. What are your payment terms?
A: Our flexible payment structure includes 30% T/T upfront, 40% T/T before shipment, and 30% T/T upon receipt of the B/L copy, with transactions available in both USD and RMB.

Q8. What does your warranty cover?
A: Enjoy a comprehensive one-year warranty for the entire machine and an extended two-year warranty for the screw compressor, with consumables excluded.

Q9. How is maintenance managed?
A: Initial maintenance is advised after 500 hours, with regular upkeep every 2000-3000 hours, tailored to specific operational conditions.

Q10. Can the machines operate in high-temperature environments?
A: Definitely, our machines are meticulously engineered to thrive in high-temperature conditions, operating efficiently between -20° to 45°(-4ºF-113ºF).

Q11. Do you provide OEM services?
A: Our innovative design team is fully equipped to manage both OEM & ODM orders, bringing your vision to life with excellence.

Q12. What is the typical lifespan of your air compressors?
A: With a commitment to precision and an unwavering focus on sustained excellence, our cutting-edge air compressors are masterfully crafted to deliver over a decade of steadfast and efficient performance. These meticulously designed machines set a new standard in durability, ensuring you experience unmatched reliability and endurance.

Q13. Will you provide some spare parts for the machines?
A: Certainly, we take pride in offering a vast and robust collection of spare parts. This expansive selection is crafted to maintain the extraordinary performance and steadfast reliability of your machines, effectively prolonging their operational lifespan and enhancing their functional capabilities.

Q14. How about your after-sales service?
A: Our after-sales service stands out with its exceptional quality, offering comprehensive online guidance to streamline the installation and commissioning process. This service is augmented by detailed training sessions and bespoke setup assistance led by our expert engineers, ensuring your operations achieve unparalleled smoothness and maximum efficiency.