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LG-20 Screw Vacuum Pump, Pumping Speed 20m³ /H
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-20Structure
Screw Vacuum PumpExhauster Method
Entrapment Vacuum PumpVacuum Degree
High VacuumWork Function
Mainsuction PumpWorking Conditions
DryNoise
78dBPower
4kwApplication 1
Oil and Gas RecoveryApplication 2
Vacuum Coating,PharmaceuticalApplication 3
Vacuum Molding,Food Processing,Vacuum SmeltingPumping Speed
180m3/HUltimate Pressure(PA)
5Speed
2900rpmSize
1157*375*734mmTransport 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; ideal for steam and dust gas extraction.
High Efficiency Design: Short-channel design with synchronous reverse rotation for efficient exhaust.
Low Noise Operation: Fine dynamic balancing and no friction between screws ensure smooth, quiet running.
Wide Industry Application: Used in oil/gas recovery, vacuum coating, food processing, and semiconductor synthesis.
High Vacuum Performance: Achieves ultimate vacuum up to 5 Pa with high strength special screw material.
Energy Saving & Maintenance: Lower power consumption, no oil/water consumption, and maintenance-free operation.
Corrosive Environment Ready: Suitable for corrosive environments with no compression in the gas chamber.
Compact & Simple Structure: No clearance between rotating parts; simple structure for convenient maintenance.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2021-09-13Nearest Port: Qingdao, shanghaiAverage Response Time: ≤11.48hTerms 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 the LG-20 Screw Vacuum Pump?
A:
The product comes with a one-year warranty and lifetime after-sales service.
Q:Is this vacuum pump oil-free?
A:
Yes, it is a dry screw vacuum pump with no lubricating oil in the working chamber, ensuring clean vacuum and no pollution.
Q:What are the main applications for this pump?
A:
It is widely used in oil and gas recovery, vacuum coating, pharmaceuticals, food processing, vacuum molding, and semiconductor synthesis.
Q:How is the pump cooled?
A:
The LG-20 series is available in both air-cooled and water-cooled versions depending on the extraction rate requirements.
Q:What is the noise level of the pump?
A:
The noise level is designed to be low, typically around 72-78 dB(A) depending on the specific model configuration.
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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