China 37kw Low Pressure Screw Air Compressor 3pH Voltage: 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. Experience the future of industrial solutions with our compressor, available in an impressive array of power options: 11KW, 22KW, 37KW, 45KW, and 55KW. Each variant of this compressor has been crafted to ensure extraordinary performance and operational excellence, guaranteeing to elevate your productivity to new heights. Whether your application demands relentless reliability or you wish to optimize functional excellence, this compressor stands as the ultimate solution for your industrial needs. Depend on its steadfast reliability and exceptional functionality that your operations can consistently trust and rely on, day after productive day.
 

Product Structure

Why choose Sanzhi dust special compressor?

Step into the future of dust conveying technology with our Fixed Frequency Low-Pressure Screw Air Compressor for Industrial Use. It is a stunning masterpiece of meticulous engineering and advanced functionality, designed to redefine efficiency and performance. Meticulously crafted to transport materials like dust and cement with effortless precision, this powerhouse operates within an adaptable pressure range of 0.15-0.4Mpa. Featuring a direct drive seamlessly integrated with an extensively proportioned head, optimized for low rotational speed, it delivers unparalleled performance and superior efficiency. The compressor is equipped with a distinguished oil-air separation structure, rooted in precision German engineering, ensuring a serene operational environment with minimal noise and vibration. Revel in its installation ease-no foundational support required. Experience a rapid airflow of compressed air, maintaining an exceptionally low oil content of under 2PPM, tailored to fulfill your volume requirements. The radiator is ingeniously designed without after-cooling devices, ideal for transporting moisture-sensitive materials like cement and flour, effectively preventing issues such as coking and caking, and ensuring impeccable material conveyance.

Sanzhi proudly unveils its groundbreaking low-pressure air compressor, an innovative marvel engineered for extraordinary dust conveying proficiency across a wide array of industries. Whether it's managing cement, mineral powder, coal ash unloading, or textile fermentation, this compressor offers unmatched versatility and exceptional energy efficiency. Setting new operational standards, imagine the transformation: a 9.6-meter cement tanker that traditionally demands over an hour and a half for unloading with conventional equipment, leading to high fuel costs and inefficiencies. In stark contrast, Sanzhi's robust 37KW air compressor dramatically cuts unloading time to a mere 40 minutes, significantly boosting productivity, minimizing fuel consumption, and delivering impressive cost savings.
 

Detailed Photos

 

Direct-Connected Rotation Motor
Our robust motor, celebrated for its formidable insulation grade of F and fortified with an IP55 protection rating, ensures a flawless power delivery marked by exceptional stability. Experience unyielding performance even under demanding conditions, bolstered by its superior efficiency and unmatched durability for continuous, reliable operation.

German Technology Air End
Unlock the zenith of technological advances with our German-engineered air end. The design boasts a large rotor and low-speed operation, resulting in exceptional efficiency. Enjoy whisper-quiet performance with minimal vibrations, guaranteeing unprecedented reliability, while significantly reducing leakage and maximizing volume efficiency.
 

Smart Button Screen
Crafted for effortless user engagement, the smart button screen features ultra-responsive controls and a vivid, intuitive display. This design significantly enhances operational ease and necessitates minimal maintenance, elevating user convenience to new heights.

Cooling System
Our advanced cooling system is engineered with a substantial heat exchange area, expertly preventing overheating and protecting against oil emulsification and coking under high temperatures. It ensures optimal performance across all operating conditions, maintaining the highest standards of efficiency.
 

Reliable Oil and Air Separator
With a vertical tangential cyclone separation design, this component leads in oil and air separation efficiency. It simplifies cartridge replacement, reduces maintenance costs, and ensures smooth, continuous operation, promising reliability and ease of service.

Safe and Zero Leakage Connection
Sanzhi reinvents connectivity by replacing conventional hydraulic hoses with superior high-rigidity pipes and flexible joints. This innovation guarantees strong, burst-proof connections, supplemented by a rubber O-ring that ensures an impeccable leak-proof seal.
 

Aluminum Intake Valve
Delivering seamless performance during both loading and unloading phases, this intake valve is engineered for noise reduction and hosts stable, long-lasting functionality. Its smooth, wear-resistant surface promises dependable air supply capabilities.

Oil Viewing Mirror
Expertly crafted from PMMA, this viewing mirror offers exceptional transparency and resilience to high temperatures. It allows for effortless monitoring of oil levels and lubrication status, facilitating timely replacements to avert equipment damage.
 

Excellent Air Filter
Designed for superior air purification, this state-of-the-art filter system ensures an immaculate air environment with a comprehensive triple filtration process, effectively eliminating both large steam and fine dust particles to meet stringent emission standards.

Oil Filter
This expertly engineered oil filter excels in removing impurities from the lubricating oil, ensuring optimal lubrication of the compressor head, thus significantly extending the operational lifespan of the air compressor.

High-Quality Soundproof Cotton
Encased in a specially crafted noise reduction enclosure, the high-grade soundproof cotton excels in noise suppression, ensuring no vibrations. This results in a quieter and more productive work environment, enhancing overall operational efficiency.

 

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 excel in both strength and endurance, the Fixed Frequency Low-Pressure Screw Air Compressor for Industrial Use emerges as your unwavering ally, tirelessly supporting continuous 24/7 operations. Its extraordinary capability to initiate and halt a staggering 3 million times ensures consistent and unyielding performance, even amidst the most challenging industrial settings. Depend on its robust reliability to fulfill all your operational demands whenever they arise.

Intelligent Control
Experience unmatched reliability with our advanced electrical system, seamlessly integrated with sophisticated computer intelligence. This compressor is precisely engineered to deliver safe and dependable performance, leveraging the latest technological advancements for exceptional operation. Enjoy unparalleled efficiency and convenience across a wide spectrum of industrial applications, making it the quintessential choice for businesses seeking cutting-edge solutions.

Easy Use
Engineered with user-friendliness as its fundamental principle, this compressor offers unmatched simplicity in installation, operation, and maintenance. Its clear and efficient design adapts to diverse industrial requirements, positioning it as the preferred choice for businesses that prioritize seamless and effective solutions for their operational needs. Make your operations smoother and more efficient with this user-friendly marvel.

Energy Saving
Unlock exceptional operational efficiency and remarkable energy savings with this forward-thinking compressor. Expertly designed to significantly reduce energy consumption, it empowers you to achieve cost reductions ranging from an impressive 30-50%. It stands as the ideal solution for those in pursuit of a cost-effective and environmentally conscious option, perfectly balancing outstanding performance with sustainable practices.

High-Temperature Shutdown Protection
Outfitted with an automatic high-temperature shutdown feature, this compressor acts as an unwavering guardian against overheating, diligently protecting your equipment from potential damage and eliminating safety risks. It ensures enhanced durability and peace of mind, making it an indispensable asset for your industrial operations, allowing you to focus on productivity without worry.

Packaging & Shipping

Our Advantages

1. Unbeatable Competitive Pricing Advantage

We proudly offer unbeatable direct ex-factory pricing that bestows upon our esteemed customers a substantial competitive edge, empowering you to thrive, expand, and achieve remarkable success in the marketplace.

2. Direct Dealings for Ultimate Value
Every meticulously crafted product is sourced directly from our cutting-edge factory, guaranteeing you receive unparalleled value and cost-efficiency with each and every purchase.

3. Comprehensive OEM & ODM Services
Our factory is equipped with outstanding production and management capabilities, allowing us to provide an extensive range of OEM/ODM services that are expertly tailored to meet your diverse and exacting requirements.

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

5. Flexible Small Order Acceptance
Initiate your journey with our exceptional products by placing a small trial order, allowing you to experience firsthand their extraordinary quality and performance.

6. Swift and Efficient Rapid Delivery
We are devoted to delivering high-quality products with speed and punctuality, ensuring your operations continue seamlessly and efficiently.

7. Comprehensive Authorization for Confident Representation
Our distributors are equipped with fully authorized certificates, empowering you to represent and sell the prestigious SANZHI brand with complete confidence and assurance.

Showcasing Our Successful Cases

Certifications

About us

Sanzhi (Henan) Compressor Co., Ltd stands as a shining beacon of innovation and reliability within the dynamic landscape of screw air compressors and vacuum pumps. For more than a decade, our expertise has illuminated the field with a diverse array of products, ranging from regular to low-pressure screw air compressors. Our cutting-edge selection includes state-of-the-art permanent magnet frequency conversion models and highly efficient two-stage compression screw air compressors. Engineered with precision, we provide tailored designs specifically crafted for laser cutting applications. Our extensive portfolio also includes versatile single and double-tank mobile screw air compressors. To fulfill a wide array of industrial requirements, we offer an extensive selection of both electric and diesel mobile screw air compressors, along with advanced screw vacuum pumps, ensuring bespoke solutions for every industrial demand.

Our manufacturing prowess is exemplified by state-of-the-art multi-air compressor assembly lines, representing the pinnacle of modern efficiency. Backed by a dedicated team of over 50 talented professionals, we continually refine our management systems, including ERP, to streamline operations, minimize lead times, and guarantee the swift delivery of superior products. Our unwavering focus on innovation and excellence ensures that our clients receive nothing less than products of the highest quality and exceptional performance.

Our unwavering commitment to excellence is epitomized by our ISO9001 quality management system certification, highlighting our steadfast dedication to rigorous quality control. We meticulously adhere to quality management practices, ensuring that each machine undergoes thorough inspections of materials, production processes, and pre-delivery checks. This exhaustive process guarantees that every product leaving our factory is a testament to our unyielding quality standards.

Our customer service philosophy revolves around delivering exceptional pre-sales and after-sales support. We provide expert guidance to assist customers in selecting the most suitable air equipment solutions, offering high levels of customization in both aesthetics and functionality. Our capability to produce OEM products underscores our flexibility in meeting the varied demands of our dealers. Following a purchase, our proficient sales and service team is poised to offer rapid and efficient support, reinforcing our unwavering commitment to customer satisfaction.

At Sanzhi (Henan) Compressor Co., Ltd, our mission is to deliver outstanding and dependable products, nurturing enduring partnerships with our valued clients. We take pride in our efficient delivery, unparalleled quality, and competitive pricing, positioning us as the trusted provider for comprehensive compressed air solutions. Our steadfast adherence to these core principles assures customers of a truly rewarding and seamless experience with our offerings.

Nestled in the vibrant city of Xinzheng, Henan Province, China, our factory stands as a symbol of innovation and excellence. Conveniently situated just 30 kilometers from Xinzheng International Airport, we warmly welcome your visit and are pleased 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 commitment to quality and service.

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Comprehensive Expert Solutions to Address Your Most Pressing Inquiries

Q1. Are you a trading company or manufacturer?
A: As a leading manufacturer, Sanzhi (Henan) Compressor Co., Ltd. excels in producing superior screw air compressors. With over a decade of unparalleled expertise, our innovation and dedication have set the benchmark in the industry.

Q2. How do you ensure top quality?
A: 1. Our unwavering commitment to quality starts with meticulous testing of each batch of raw materials, ensuring unmatched excellence.
2. Installations are executed with precision and strict oversight, guaranteeing superior performance and reliability.
3. Every machine undergoes a demanding 5-hour test to verify flawless operation before it leaves our facility.

Q3. What essential information should I provide to select the ideal machine?
1. Kindly specify the desired air delivery capacity for your application (Unit: CFM or m³/Min).
2. Determine the necessary working pressure for optimal performance (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 required, such as air tanks, filters, or air dryers, for a comprehensive setup.
Share these details with us, and we will craft the perfect solution tailored to meet 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 an adaptable range of voltages: 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p, with customized options to match your requirements.

Q6. What is the expected delivery timeline?
A: Orders with standard voltage are dispatched within 15 working days post-confirmation. For non-standard voltage needs, please contact our team.

Q7. What are your payment terms?
A: Our payment terms are structured as 30% T/T deposit, 40% T/T before shipment, and 30% T/T upon receipt of 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 additional two-year warranty for the screw compressor, excluding consumables.

Q9. How is maintenance managed?
A: Initial maintenance is recommended after 500 hours, with routine service every 2000-3000 hours, customized to specific conditions.

Q10. Can the machines operate in high-temperature environments?
A: Absolutely, our machines are expertly designed for high-temperature environments, capable of enduring conditions from -20° to 45°(-4ºF-113ºF).

Q11. Do you provide OEM services?
A: Our innovative design team is ready to handle both OEM & ODM orders, bringing your vision to life.

Q12. What is the typical lifespan of your air compressors?
A: Crafted with unparalleled precision and designed for enduring excellence, our state-of-the-art air compressors are meticulously engineered to provide you with over a decade of dependable and efficient service. This sets an unmatched benchmark in longevity and performance, ensuring your investment is one of enduring value.

Q13. Will you provide some spare parts for the machines?
A: Absolutely, we are thrilled to offer an extensive array of robust spare parts. This comprehensive selection guarantees that your machines maintain their extraordinary performance and reliability, significantly extending their operational lifespan and functionality, keeping your equipment in peak condition for years to come.

Q14. How about your after-sales service?
A: Our after-sales service is truly exceptional, offering you comprehensive online guidance that simplifies installation and commissioning processes. This service is further enriched by in-depth training sessions and personalized setup support, led by our team of expert engineers. We ensure that your operations run impeccably smooth and are as efficient as possible, providing a seamless experience from start to finish.