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Explosion-Proof Dry Screw Vacuum Pump LG70/90 Small Air-Cooled Screw Vacuum Pump
US$1,500.00
1-4 Pieces
US$1,200.00
5+ Pieces
Sample price:US$1500.00/piece.Request sample
Product profile
After-sales Service
Lifetime ServiceWarranty
One YearOil or Not
Oil FreeModel NO.
LG-70Structure
Screw Vacuum PumpExhauster Method
Entrapment Vacuum PumpVacuum Degree
High VacuumWork Function
Mainsuction PumpWorking Conditions
DryNoise
70dBPower
1.1kwApplication 1
Oil and Gas RecoveryApplication 2
Vacuum Coating,PharmaceuticalApplication 3
Vacuum Molding,Food Processing,Vacuum SmeltingPumping Speed
20m3/HUltimate Pressure(PA)
50/10/1Speed
2840rpmSize
740*340*330mmPump Head Weight
55kgTransport Package
Metal Plattet/Standard PackageTrademark
KNOrigin
Metal Plattet/Standard PackageHS Code
8414100090Production Capacity
50000PCS/ YearKey features
Oil-Free Clean Vacuum: No lubricating oil in working chamber, preventing pollution and enabling medium recovery.
Anti-Corrosion Options: Optional titanium, stainless steel, or nano ceramic materials for corrosive gas extraction.
Low Noise Design: Variable pitch screw structure ensures stable operation with noise levels as low as 70dB.
Versatile Applications: Suitable for oil/gas recovery, biological medicine, food processing, and vacuum coating.
Lifetime After-Sales Service: Comprehensive lifetime service support provided for all vacuum pump equipment.
ISO 9001 Certified: Manufacturing process strictly managed in accordance with ISO9001 quality system.
Easy Maintenance: Simple structure and precise processing make the pump convenient to use and maintain.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2021-09-13Nearest Port: Qingdao, shanghaiAverage Response Time: ≤8.49hTerms 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 vacuum pump?
A:
The product comes with a one-year warranty.
Q:Is this vacuum pump oil-free?
A:
Yes, it is an oil-free dry screw vacuum pump with no lubricating oil in the working chamber.
Q:What industries can this pump be used for?
A:
It is widely used in oil and gas recovery, biological medicine, food processing, vacuum coating, and semiconductor synthesis.
Q:Does the pump support anti-corrosion applications?
A:
Yes, optional anti-corrosion designs using titanium, stainless steel, or nano ceramics are available.
Q:What is the noise level of the LG70/90 model?
A:
The noise level is approximately 70dB, ensuring low noise operation.
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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