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Roots Vacuum Pump and Water Ring Vacuum Pump Unit for Industries Pumps
US$3,000.00-10,000.00
1 Piece
Product profile
After-sales Service
Lifetime Paid ServiceWarranty
One YearOil or Not
Oil FreeModel NO.
JZJ2BStructure
ScrewExhauster Method
Entrapment Vacuum PumpVacuum Degree
High VacuumWork Function
Mainsuction PumpWorking Conditions
DryNoise
75 dBPower
2.2kwUltimate Vacuum
Less Than 0.001 MbarPumping Speed L/S
5000Transport Package
Metal Plattet/Standard PackageTrademark
KNOrigin
Jinan ChinaHS Code
8414100090Production Capacity
50000Key features
Oil-Free Clean Vacuum: No internal friction or lubrication ensures a clean vacuum environment without oil contamination.
High Efficiency Design: Large pumping rate with small motor power, requiring a front pump for pre-vacuum to improve speed.
Low Noise Operation: High-precision machining and imported bearings ensure smooth, quiet operation with noise at 75 dB.
Extended Service Life: Omni-directional 3D water-cooling jacket effectively cools the pump body to prolong service life.
Stable Performance: High-strength rotors with complete symmetry and precise dynamic balance for stable and reliable operation.
Versatile Applications: Suitable for oil/gas recovery, biomedicine, food processing, semiconductors, and vacuum forming.
Easy Maintenance: Vertical gas flow in the pump chamber facilitates the discharge of dust and condensate.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2021-09-13Nearest Port: Qingdao, shanghaiAverage Response Time: ≤8.16hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, FAS, CIF, CFR, DDP, CIP
AI-Powered supplier vetting
SummarySHANDONG KAIEN VACUUM TECHNOLOGY CO., LTD. is described as a high-tech enterprise integrating vacuum-equipment R&D, production, and operations, manufacturing multiple vacuum-pump and vacuum-system products. It offers extensive customization, maintains documented inspection, corrective-action, complaint-handling, quality-assurance, and material-traceability procedures, and reports in-stock capacity with lead times within 15 working days in both peak and off-season. Export activity is established, with 31%–40% of sales from exports and eight years of export experience. However, the supplier is explicitly not classified as a professional technical supplier, does not provide 3D software, ODM, SDK, or well-known-brand OEM services, and reported no new products in the past year. No valid manufacturing-capacity contract with related subcontractors, overseas warehouse, overseas agents or branches, showroom, or offline trade-show participation is reported. Financial evidence is insufficient for assessment, and...
After-Sales capabilityThe company description claims considerate after-sales service, and documented procedures exist for corrective and preventive actions and customer complaints. It also has in-stock capacity, but reports no overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries, limiting evidence of localized international after-sales support.
R&D capabilityThe company is described as integrating R&D and production and offers customization from samples, designs, full customization, minor customization, and flexible customization. Nevertheless, it reported no new products in the past year and explicitly lacks ODM, SDK, 3D-software, and professional-technical-supplier capabilities.
Production capacityThe supplier manufactures multiple vacuum-pump and vacuum-system categories, has in-stock capacity, documented inspection procedures, quality assurance, traceable raw-material identification, and reported average lead times within 15 working days in both peak and off-season. However, it has no valid manufacturing-capacity contract with related subcontractors, so the overall production assessment is positive but bounded by that stated deficiency.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are consistently reported across the design-service fields, providing direct evidence of broad customization support.
Product Q&A
Q:What is the warranty period for this pump?
A:
The product comes with a one-year warranty.
Q:Is this vacuum pump oil-free?
A:
Yes, it is an oil-free screw vacuum pump with no lubrication in the pump cavity.
Q:What is the maximum pumping speed available?
A:
The maximum pumping speed is 5000 L/S, as seen in the ZJ-5000 model.
Q:What is the ultimate vacuum degree achievable?
A:
The ultimate vacuum can be less than 0.001 Mbar.
Q:What are the lead times for shipping?
A:
Peak season lead time is 1-3 months, while off-season lead time is within 15 workdays.
Send Inquiry
*To:
Shandong Kaien Vacuum Technology Co., Ltd.
Shandong Kaien Vacuum Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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