Does the pump have an anti-oil return feature?

Yes, it is specially equipped with an automatic anti-return oil check valve that closes the air inlet when the pump stops to prevent oil return.

What is the after-sales service policy?

We offer lifetime paid after-sales service to ensure continuous support for your equipment.

What are the power and voltage specifications?

The power is 22kw and the working voltage is 380V.

Multi-Layer Vacuum Safety – Anti-Reverse Valve & Auto Oil Return Prevent Pump Failures

Name: Multi-Layer Vacuum Safety – Anti-Reverse Valve & Auto Oil Return Prevent Pump Failures
Brand: Shandong Kaien Vacuum Technology Co., Ltd.
SKU: 1963919781

Shandong, ChinaShandong Kaien Vacuum Technology Co., Ltd.

US$200.00-9,500.00

1 Piece

Product profile

After-sales Service

Lifetime Paid Service

Warranty

One Year

Oil or Not

Oil Free

Model NO.

Structure

Rotary Vacuum Pump

Exhauster Method

Entrapment Vacuum Pump

Vacuum Degree

High Vacuum

Work Function

Mainsuction Pump

Working Conditions

Dry

Noise

Less Than 62dB

Ultimate Vacuum

0.1-0.5mbar

Exhaust Rate (M3/H)

Power

22kw

Working Voltage(V)

380

Motor Speed (R/Min)

1440

Steam Permissible Pressure

40mbar

Suction Rate of Steam(Kg/H)

0.3

Operating Humidity

Oil Mass(L)

Weight(Kg)

500

Thread for Air Inlet Port

RP3‘’

Overall Dimensions:Lxwxh

1850X850X750mm

Transport Package

Metal Plattet/Standard Package

Trademark

Origin

Jinan China

HS Code

8414100090

Production Capacity

50000

Key features

Anti-Reverse Valve Design: Equipped with automatic anti-return oil check valve to prevent pump failures and extend service life.

High Vacuum Performance: Achieves limiting pressure of 0.1-0.5mbar with high pumping efficiency and long service life.

Low Noise Operation: Operates with noise less than 62dB, ensuring a quiet working environment.

Versatile Applications: Suitable for vacuum refrigeration, freeze drying, food packaging, sputtering, and photovoltaic technology.

Steam Tolerance: Can handle steam with permissible pressure up to 40mbar and suction rate of 0.3kg/h.

German Technology: Improved product using German technology for efficient, reliable, and easy-to-maintain design.

Flexible Interface: Can be equipped with small caliber conversion connectors, KF interface, and flange interface.

Lifetime Paid Service: Provides lifetime paid after-sales service to support long-term equipment operation.

Company profile

Shandong Kaien Vacuum Technology Co., Ltd.

Shandong, China

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?

We provide a one-year warranty for the product.

Q:Can this pump handle steam and corrosive gases?

It can handle steam with a permissible pressure of 40mbar. For corrosive gases, auxiliary equipment like condensers or filters should be installed at the inlet.

Q:What is the maximum noise level of the pump?

The noise level is less than 62dB, ensuring low noise operation.

Q:What are the main applications for this vacuum pump?

It is widely used in vacuum refrigeration, drying, freeze drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, food packaging, printing, sputtering, vacuum casting, and photovoltaic technology.

Q:What is the ultimate vacuum pressure achieved?

The limiting pressure is 0.1-0.5mbar, providing high vacuum performance.