Product Description

Experience unparalleled efficiency with our Mini Small Portable Silent Screw Air Compressor, designed specifically for industrial outdoor mobile work. Available in 2.2KW, 3KW, and 4KW variants, this compressor combines robust performance with whisper-quiet operation to meet all your portable air compression needs perfectly.
 

 

Product Parameters

 

Sanzhi (ZheJiang ) Compressor Co,. Ltd.
Small Mobile Screw Air Compressor with Two Air Tanks
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)
SZDY08	7.5	0.8	1.2	380	50	68	G1	250	1500*500*1100
		1.0	1.0
SZDY11	11	0.8	1.6	380	50	68	G1	260	1500*500*1100
		1.0	1.3
SZDY15	15	0.8	2.4	380	50	68	G1	320	1600*800*1200
		1.0	2.0
SZDY22	22	0.8	3.6	380	50	70	G1	400	1600*800*1200
		1.0	3.0
SZDY30	30	0.8	5.0	380	50	70	G1	480	1800*900*1200
		1.0	4.5
SZDY37	37	0.8	6.6	380	50	70	G1	600	1800*900*1200
		1.0	6.0
SZDY45	45	0.8	8.0	380	50	71	G2″	800	2100*900*1430
		1.0	7.0
SZDY55	55	0.8	10.0	380	50	74	G2″	950	2100*900*1430
		1.0	9.0
SZDY75	75	0.8	13.0	380	50	76	G2″	1100	2100*900*1430
		1.0	11.8
Due to product updates, the above parameters are subject to deviation in kind.

 

Product Description

 

Advantages of Small Mobile Screw Air Compressor
 

1. High Reliability:The compressor boasts a minimalist design with fewer parts and no wearing components, ensuring exceptional reliability and a remarkably long service life. Impressively, the overhaul interval can range from an outstanding 40,000 to 80,000 hours.

2. Convenient Operation and Maintenance: With a high degree of automation, operating this compressor is a breeze. The user-friendly design means operators can achieve seamless, unattended operation without extensive professional training.

3. Superior Power Balance: Experience smooth, high-speed performance, characterized by robust gas transmission and rapid gas supply. The volumetric flow rate remains virtually unaffected by exhaust pressure, maintaining efficiency across a broad range of speeds.

4. Strong Adaptability:Compact and lightweight, this compressor takes up minimal space and is easy to transport. It’s ideal for a wide array of industries, including building construction, spraying, pile breaking, sand blasting, urban development, and road construction.

5. Complete Variety Series:Our comprehensive range of products offers exhaust volumes from small to large, catering to diverse construction needs. The variety of structures is designed to suit different user requirements, ensuring optimal performance in every scenario.
 

Detailed Photos

Smart Touch Controller
Our state-of-the-art Smart Touch Controller boasts superior built-in intelligence, drastically reducing the need for manual operation. Featuring a high-precision, vibrant color electronic screen, it provides clear graphics, maintenance information, fault alarms, and safety shutdown alerts, ensuring seamless and efficient operation.

Cooling System
Ingeniously designed with a large heat exchange area, our cooling system effectively mitigates high-temperature issues, significantly reducing the risk of oil emulsification and coking. This design ensures your machinery operates smoothly even under intense conditions.

Reliable Oil and Air Separator
Featuring a vertical tangential cyclone separation structure, our oil and air separators ensure complete separation, making cartridge replacement effortless and lowering overall maintenance costs.

Safe and Zero Leakage Connection
Sanzhi revolutionizes connection safety by discarding the traditional low-cost hydraulic hose design in favor of high-rigid pipes and flexible joint connections. This innovative approach prevents bursts linked with aging. In addition, the rubber type 0-ring offers a flexible seal that effectively prevents any leakage, ensuring maximum reliability.

Horizontal Air Tank
Equipped with 2 air storage tanks, each with an 8-bar capacity, and fitted with 4 wheels, our horizontal air tanks are designed for optimal stability and smooth operation.

Pressure Gauge
The current working pressure is easily monitored via the clearly visible pressure gauge, providing real-time pressure data at a glance.

 

 

 

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Our Advantages

 

1. Price advantage

We directly offer customers ex-factory prices, significantly boosting their competitiveness.

2. Direct deal
Our products are supplied directly from the factory, ensuring more cost-effective solutions.

3. OEM & ODM services
Our robust production and management capabilities empower us to provide comprehensive OEM/ODM services tailored to your needs.

4. Customised service
We welcome non-standard orders, including export specifications and custom voltage/power/pressure settings. Reach out to us for bespoke solutions.

5. Accept small order
Begin with a small trial order to experience the superior quality of our products firsthand.

6. Fast delivery
We guarantee high-quality products with prompt and timely delivery.

7. Complete authorisation
For our distributors, we provide full authorization certificates, granting you the right to sell SANZHI brand products with confidence.
 

Packaging & Shipping

Company Profile

Sanzhi (ZheJiang ) Compressor Co., Ltd. stands as a distinguished manufacturer specializing in the production of cutting-edge screw air compressors and screw vacuum pumps, boasting more than a decade of industry expertise. Our expansive product portfolio encompasses normal pressure and low-pressure screw air compressors, permanent magnet frequency conversion screw air compressors, two-stage compression screw air compressors, screw air compressors tailored for laser cutting, single-tank mobile screw air compressors, double-tank mobile screw air compressors, electric mobile screw air compressors, diesel mobile screw air compressors, and advanced screw vacuum pumps, among others.

Our state-of-the-art production lines, dedicated to assembling multiple air compressors, epitomize efficiency and modernity. Harnessing the dedication of over 50 skilled employees, we continually refine our management systems, such as ERP, to minimize lead times and expedite the delivery of top-tier products.

Our unwavering commitment to quality is evidenced by our ISO9001 quality management system certification. We steadfastly adhere to rigorous quality management protocols, ensuring that every machine undergoes comprehensive material inspections, production checks, and pre-delivery evaluations.

Our customer service strategy is twofold: pre-sales and after-sales. Pre-sales, we provide expert guidance for selecting air equipment tailored to diverse facilities and offer extensive customization options, including design and configuration. We also specialize in OEM services to create bespoke products meeting dealer specifications. Post-sales, our professional sales and service team ensures swift responses to customer inquiries, guaranteeing satisfaction.

At Sanzhi (ZheJiang ) Compressor Co., Ltd., we are dedicated to delivering superior, stable products and fostering enduring customer relationships. With efficient delivery, high-quality machines, and competitive pricing, we are your dependable partner for all compressed air solutions.

Our factory is conveniently situated in HangZhou City, ZheJiang Province, China. We offer transportation from HangZhou International Airport to our facility, a journey of approximately 30 kilometers, completed in about an hour. We warmly welcome you to visit us!
 

FAQ

 

Q1. Are you a trading company or manufacturer?
A: We are a professional manufacturer of screw air compressors, boasting over a decade of unparalleled expertise.

Q2. How do you control quality?
A: 1. We rigorously inspect all raw materials.
2. Our installation procedures are meticulously controlled.
3. Each machine undergoes a minimum of 5 hours of continuous testing before dispatch.

Q3. What information must I provide to get the suitable machine?
1. Air delivery capacity required (Unit: CFM or m³/min)
2. Desired working pressure (Unit: PSI, Bar, or Mpa)
3. Voltage and frequency of your location (V/Hz)
4. Additional accessories needed, such as air tanks, filters, and air dryers.
Share these details with us, and we’ll provide you with an optimal solution!

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

Q5. What is the available voltage air compressor?
A: Sanzhi’s available voltages include 380v/50hz/3p, 400v/50hz/3p, 415v/50hz/3p, 220v/60hz/3p, 440v/60hz/3p. Customizations are also available.

Q6. How long is the delivery time?
A: For standard voltage, delivery is within 15 working days post-order confirmation. For non-standard requirements, please consult our sales team.

Q7. What’s the payment term?
A: We accept 30% T/T in advance, 40% T/T before shipment, and 30% T/T CHINAMFG receipt of the B/L copy. Payments can be made in USD or RMB.

Q8. How about your warranty?
A: We offer a one-year warranty for the entire machine and a two-year warranty for the screw air compressor, excluding consumable spare parts.

Q9. What about the maintenance?
A: The first maintenance is required after 500 hours, followed by regular maintenance every 2000-3000 hours, considering the actual operating environment.

Q10. Can machines operate in high-temperature environments?
A: Absolutely, our machines can function in high-temperature environments, with a working range from -20°C to 45°C (-4°F to 113°F).

Q11. Do you offer OEM service?
A: Yes, we have a professional design team ready to cater to both OEM & ODM orders.

Q12. How long could your air compressors be used?
A: Typically, our air compressors have a lifespan exceeding 10 years.

Q13. Will you provide some spare parts for the machines?
A: Certainly, we do provide spare parts.

Q14. How about your after-sales service?
A: We offer online guidance for installation and commissioning, and we can arrange for our engineers to assist with training and installation.

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How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.

Emissions:

While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

What is the difference between a piston and rotary screw compressor?

Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:

1. Operating Principle:

• Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
• Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.

2. Compression Method:

• Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
• Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.

3. Efficiency:

• Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
• Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.

4. Noise Level:

• Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
• Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.

5. Maintenance:

• Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
• Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.

6. Size and Portability:

• Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
• Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.

These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.

editor by lmc 2024-11-19