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LG-70 Explosion-Proof High-Efficiency Screw Vacuum Pump
US$4,286.00-38,520.00
1 Piece
Product profile
After-sales Service
Lifetime Paid ServiceWarranty
One YearOil or Not
Oil FreeModel NO.
LG-70Structure
ScrewExhauster Method
Entrapment Vacuum PumpVacuum Degree
High VacuumWork Function
Mainsuction PumpWorking Conditions
DryNoise
75 dBPower
3kwPump Head Weight
110kgUltimate Vacuum
Less Than 30PAPumping Speed (M3/H)
70Outlet Caliber (mm)
Kf4oTransport Package
Metal Plattet/Standard PackageSpecification
length*width*height(mm)920x390x460Trademark
KNOrigin
Jinan ChinaHS Code
8414100090Production Capacity
50000Key features
Oil-Free Clean Operation: Dry screw design prevents oil pollution, suitable for clean vacuum needs.
Corrosion Resistant: Optional anti-corrosion materials like titanium and stainless steel available.
Energy Efficient: Variable pitch screw structure saves energy and reduces power consumption.
Wide Application Range: Ideal for oil recovery, biomedicine, food processing, and semiconductors.
Stable Operation: High-quality bearings and dynamic balance ensure smooth, low-vibration run.
Easy Maintenance: Simple structure and short channels make cleaning and maintenance convenient.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2021-09-13Nearest Port: Qingdao, shanghaiAverage Response Time: ≤11.28hTerms 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 ultimate vacuum degree of this pump?
A:
The ultimate vacuum degree is less than 30Pa, providing high vacuum performance.
Q:Is this vacuum pump oil-free?
A:
Yes, it is a dry screw vacuum pump that operates without oil lubrication, ensuring a clean working chamber.
Q:What is the warranty period for this product?
A:
The product comes with a one-year warranty.
Q:What is the noise level of the LG-70 pump?
A:
The noise level is 75 dB, designed for low-noise operation.
Q:Can this pump handle corrosive gases?
A:
Yes, optional anti-corrosion designs using materials like titanium, stainless steel, or nano ceramics are available.
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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