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4rb 220-0ah56-7 Regenerative Blower/Side Channel Blower
US$292.00
5 Pieces
Product profile
Customization
AvailableOil or Not
Oil FreeStructure
Side Channel BlowerModel NO.
4RB 220-0AH56-7Exhauster Method
Side Channel BlowerVacuum Degree
High VacuumWork Function
Side Channel BlowerWorking Conditions
DryColor
SilverMaterial
AluminiumDrive
MotorWeight
28kgMaximum Airflow
47m3 /HMaximum Vacuum
-370mbarMaximum Pressure
650mbarTransport Package
CartonSpecification
4RBTrademark
GreentechOrigin
ChinaHS Code
8414Production Capacity
8000sets/MonthsKey features
Oil-Free Operation: Delivers 100% oil-free air suitable for environmental protection applications.
High Vacuum Performance: Achieves maximum vacuum of -370 mbar with high differential pressure reliability.
Low Noise & Vibration: Features pulsation-free discharge and complete dynamic stability with no vibration.
Durable Design: Impellers mounted directly on motor shaft for non-contact compression without friction.
Cooler Running Bearings: Bearings arranged outside compression chamber ensure longer grease life and cooler operation.
High Airflow Capacity: Provides maximum airflow of 47 m3/h for efficient gas transport.
Minimal Maintenance: Simple maintenance design with minimal requirements for continuous duty.
Compact Dimensions: Small physical dimensions allow for easy installation in tight spaces.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2000-09-01Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤0.70hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryThe supplier is a professional technical manufacturer and exporter involved in mechanical parts, general and special equipment, electrical instruments, auto parts, mining machinery, CNC equipment, and related products. It reports R&D capability, SDK availability, 3D design services, ODM services, OEM experience for well-known brands, and broad customization options. Production information lists annual outputs of 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps, supported by 11–20 quality-control staff and three R&D engineers. Written procedures and records are reported for supplier assessment, corrective and preventive actions, and customer complaints. However, no new products were launched in the past year, raw-material traceability status is unknown, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Certification holdings and specific customer cases are not provided.
Supplier typeThe supplier identifies as a professional technical supplier and operates across equipment manufacturing, mechanical parts, mining machinery, CNC equipment, electrical instruments, and auto parts. Its stated business scope also includes import and export of goods and technology, indicating both manufacturing and trading/export activity.
After-Sales capabilityThe supplier reports written procedures and followed records for corrective and preventive actions and for handling customer complaints, and emphasizes customer service and satisfaction. These records provide explicit evidence of service-management processes, although overseas service infrastructure is absent according to the provided data.
R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, ODM services, OEM services for well-known brands, and multiple customization modes. Nevertheless, it also states that no new products were launched during the past year, and its product-information R&D response is negative, so recent innovation output is limited.
Production capacityReported annual output includes 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps. The supplier also reports 11–20 quality-control staff, exports to South America, Southeast Asia/Mideast, and Europe, and an off-peak lead time of one month, providing explicit evidence of established production and export operations.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, supported by professional R&D and 3D software design services. This indicates broad capability to adapt products to customer specifications.
Product Q&A
Q:Is the blower oil-free?
A:
Yes, the blower provides 100% oil-free air.
Q:What is the maximum vacuum level?
A:
The maximum vacuum is -370 mbar.
Q:What is the maximum airflow capacity?
A:
The maximum airflow is 47 m3/h.
Q:Does the blower produce vibration?
A:
No, it features no vibration and complete dynamic stability.
Q:How long is the lead time?
A:
Peak season lead time is one month, while off-season is within 15 workdays.
Send Inquiry
*To:
Greentech Industry (Jinan) Co., Ltd.
Greentech Industry (Jinan) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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