Audited Supplier
Rotary Vane Blower vs. Roots Blower
| Criteria | Rotary Vane Blower | Roots Blower |
|---|---|---|
| Working Principle | Uses a rotor with sliding vanes to trap and compress air in a continuous process. | Positive displacement device with two or three lobes pushing air forward. |
| Airflow and Pressure | Provides lower pressure but smooth and consistent airflow. | Delivers higher pressure with possible pulsations (reduced in 3-lobe designs). |
| Efficiency | More energy-efficient at low pressures. | Slightly less efficient, particularly at higher pressures. |
| Maintenance | Requires frequent maintenance due to wear of sliding vanes. | Requires less maintenance; durable with fewer moving parts. |
| Applications | Ideal for vacuum systems, light-duty pneumatic conveying, and low-pressure aeration. | Suited for wastewater aeration, medium-pressure conveying, and chemical processing. |
| Noise Level | Operates quietly due to smooth airflow and less vibration. | Louder operation, but noise can be mitigated with soundproofing. |
| Durability | Vanes wear out over time, requiring periodic replacement. | Highly durable; suitable for heavy-duty industrial applications. |
| Model | HC251s |
| Air capacity | 0.28m3/Min-0.31m3/Min |
| Discharge differential pressure | 10kpa-50kpa |
| Rotary speed | 450rpm |
| Motor type | 0.55kw 380/400/415/440V, 3PHASES, 50/60HZ |
| Bearing brand | Standard: Renben bearing NSK bearing for your option |
| Installation type | Standard: horizontal type. Vertical type available for your option |
| N.W. of blower without motor | 51kg |
| Packing size Approx. | 0.22cbm |
| Model | Blower size | Motor kw | Frequency | Blower speed min-1 | air capacity | Blower V Pulley | Motor V pulley | Oil Capacity | ||||
| 0.1kgf/cm2 | 0.2kgf/cm2 | 0.3kgf/cm2 | 0.4kgf/cm2 | 0.5kgf/cm2 | ||||||||
| HC25s | 3/4'' | 0.37 | 50 | 430 | 0.278 | 0.265 | 0.25 | 0.237 | 0.225 | 8'' | 3 | 1.2L(0.9L) |
| HC251s | 3/4'' | 0.55 | 50 | 450 | 0.31 | 0.3 | 0.29 | 0.28 | 0.28 | 8'' | 2 1/2 | 1.5L(1.1L) |
| HC30s | 1'' | 0.55 | 50 | 430 | 0.35 | 0.34 | 0.33 | 0.32 | 0.31 | 10'' | 3 | 1.5L(1.1L) |
| HC301s | 1'' | 0.75 | 50 | 520 | 0.42 | 0.41 | 0.4 | 0.39 | 0.38 | 10'' | 3 1/2 | 1.5L(1.1L) |
| HC40s | 1 1/4'' | 0.75 | 50 | 500 | 0.66 | 0.65 | 0.63 | 0.61 | 0.59 | 12'' | 4 | 2.5L(1.7L) |
| HC401s | 1 1/4'' | 1.5 | 50 | 580 | 0.8 | 0.77 | 0.74 | 0.71 | 0.67 | 12'' | 4 1/2 | 2.5L(1.7L) |
| HC50s | 1 1/2'' | 1.5 | 50 | 430 | 1.14 | 1.12 | 1.09 | 1.06 | 1.02 | 14'' | 4 | 3.5L(2.3L) |
| HC501s | 1 1/2'' | 2.2 | 50 | 500 | 1.44 | 1.41 | 1.39 | 1.36 | 1.32 | 14'' | 4 1/2 | 3.5L(2.3L) |
| HC60s | 2'' | 2.2 | 50 | 450 | 1.9 | 1.87 | 1.82 | 1.77 | 1.71 | 16'' | 5 | 5.5L(3.8L) |
| HC601s | 2'' | 4 | 50 | 540 | 2.41 | 2.34 | 2.29 | 2.44 | 2.18 | 16'' | 6 | 5.5L(3.8L) |
| HC80s | 2 1/2'' | 4 | 50 | 430 | 2.82 | 2.74 | 2.66 | 2.59 | 2.5 | 18'' | 5 1/2 | 8L(6L) |
| HC801s | 2 1/2'' | 5.5 | 50 | 500 | 3.53 | 3.45 | 3.38 | 3.33 | 3.25 | 18'' | 6 | 8L(6L) |
| HC100s | 3'' | 5.5 | 50 | 390 | 4.32 | 4.28 | 4.25 | 4.18 | 4.11 | 20'' | 5 1/2 | 20L(16L) |
| HC1001s | 3'' | 7.5 | 50 | 420 | 5.41 | 5.32 | 5.25 | 5.18 | 5.11 | 20'' | 6 | 20L(16L) |
| Feature | Description |
|---|---|
| Fast Delivery | We understand the importance of meeting tight schedules. Our standard models are in stock and ready for immediate shipment, while custom orders are fulfilled within just 5-7 days, ensuring uninterrupted project timelines. |
| Custom Solutions | Catering to the diverse industrial needs of Southeast Asia, we offer fully customized OEM services, including design adjustments and private labeling. These solutions are built to align with local requirements and industry standards. |
| Precision Engineering | Utilizing state-of-the-art CNC technology, our products ensure high precision (0.02-0.04 mm tolerance), delivering consistent performance ideal for Southeast Asia's dynamic and high-demand industries. |
| Rigorous Testing | Every unit undergoes 100% performance testing to ensure it meets specifications and withstands Southeast Asia's varied environmental conditions, guaranteeing long-term reliability and efficiency. |
| 1. When was your company founded? |
| Our company was founded in 2007, and we have been in business for 17 years. |
| 2. What are your main products? |
| Our main products include Roots blowers, Rotary blowers, and Turbo blowers. |
| 3. What is the lead time for our blowers? |
| The typical lead time for our blowers is 5-7 days. We also maintain stock of regular models, which allows us to ship immediately for those units. |
| 4. What warranty do you offer? |
| We offer a 12-month warranty on all of our blowers. |
| 5. What brand of bearings do you use? |
| The bearings we use are NSK, but we also offer other, more cost-effective options for customers with budget considerations. |
| 6. Will you send someone for repairs if needed? |
| While we do not send technicians directly, we have partnered with repair companies in many countries to ensure that any issues can be resolved quickly and efficiently. |
| 7. How many employees work at your company? |
| We currently employ 80 people across various departments in our company. |
Shandong Zhaner Machinery Co., Ltd.
Empowering Industries with Precision and Performance
Shandong Zhaner Machinery Co., Ltd., founded in 2007, is a leading manufacturer specializing in the production of high-performance Roots blowers, rotary blowers, and turbo blowers. Over the past 17 years, the company has built a strong reputation for delivering innovative air-handling solutions that meet the diverse needs of industries such as chemical processing, wastewater treatment, pneumatic conveying, and more.
The company is ISO9001 certified, ensuring that all products meet rigorous quality standards. With 3 advanced production lines, Shandong Zhaner Machinery operates efficiently and can meet both small and large-scale orders with short lead times. The facility, covering 45,000 m², is equipped with state-of-the-art machinery, including CNC machinesthat ensure high precision in the manufacturing of each blower component.
Employing a skilled workforce of 80 dedicated employees, the company is committed to continuous improvement and innovation. This highly trained team focuses on quality control, testing, and customization to deliver blowers that meet specific customer requirements. Each unit undergoes 100% rigorous testing before shipment to ensure optimal performance and reliability.
Shandong Zhaner Machinery's commitment to excellence and its ability to provide fast delivery, high precision, and customized solutions has made it a trusted partner for industries worldwide.
