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ZJ-type Tri-lobe Roots Vacuum Pump

ZJ-type Tri-lobe Roots Vacuum Pump

    Packaging: Wooden Package
    Transportation: Ocean,Land
    Supply Ability: 5000piece/Year
    Port: Port of Shanghai,Port of qingdao,Port of wuxi

Product Description


Roots vacuum pump has a pair of tri-lobe rotors driven by a pair of high precision synchro-gears. The tri-lobe rotors finish one cycle of suction and discharge during 120 degrees. The tri-lobe rotors of involute profile rotate without contact and keep a constant gap in-between. It can be worked with various fore pumps by using air or water cooling mode and different sealing types in order to meet the various processing requirements and working conditions. Due to this patented design, our Roots vacuum pumps have obvious advantages over the traditional roots pumps of two-lobe rotors in the key performance indicators such as the pumping efficiency, maximum pressure differential, temperature rise, vibration and noise. High precision gears and roller bearings ensure low noise and smooth operation of rotors, and they have relatively large pumping rate at low suction pressure.


type Tri-lobe Roots Vacuum Pump 1

Note: The performance specifications in the above table are measured under the given condition with the recommended fore pump. When equipped with different fore pumps, they have various performance. Pumping rate is measured in the given condition with the pump inlet pressure of about 67 pa to 2.67 pa. Ultimate pressure means the measured stable sub-pressure of air in the closed pump inlet without any container by a compression type vacuum meter.


Tri-lobe roots pumps can be only used with Other fore pumps. Equiped with different fore pumps, they have various performance. Roots vacuum pumps are mainly used in the situation of large pumping speed and rough/medium vacuum (10 -10 Pa). Typical applications are the vacuum film coating, vacuum welding furnace, vacuum heat treatment furnace, and large space simulation test, and microelectronics and integrated circuit and bulb production, vacuum packaging, and concentrated gas pumping system, and various chemical processing, and vacuum steam discharge, and vacuum dehydration, and vacuum frozen drying, and vacuum distillation.

Main Characteristics

·High rotation speed, volumetric efficiency, less temperature rise and vibration.
·Simple structure results in the higher reliablity and ease of use.
·O-ring static and plannar seals ensure the multiple assembly and disassembly.

·Mechanical seal, lip seal, frame seal, piston ring seal and labyrinth seal can be selected for face sealing.

Performance Curve

type Tri-lobe Roots Vacuum Pump 2

Model sizes

type Tri-lobe Roots Vacuum Pump 3



1: What kind terms of payment can be accepted?
A: For terms of payment, L/C, T/T, D/A, D/P, Western Union (can be) could accepted

2: What about the delivery time?
A: 7 days after receiving the payment.

3: What about the warranty time?
A: 12 months after shipment or 2000 working hours, whichever occuts first.

4. What about the Minimum Order Quantity?

A: The MOQ is 1 pcs.

5. Can you support customization?

A: Yes. We support OEM. You only need to provide product specifications and design drawings. The customized moq is 1 pcs.

6.Our yuanhang supply chain China product acquisition platform, 500+ China source factory direct supply.

A1 1



Lvsong Sci-Tech Group self-owns the import and export business of the Proprietary and agent products in various fields. The group is constituted by the eight subsidiary companies, which are Changzhou Lvsong International Trading company (Yuanhang supply chain platform for Chinese products), Jiangyin Tiantian Vessel Manufacturing Co., Ltd , Jiangyin Lvsong Machinery Co., Ltd., Jiangyin Elmvacuum Equipment Co., Ltd., Wuxi Runjiutian Machinery Co., Ltd., Jiangsu ZhiLin Aerospace Equipment Technology Co., LTD., NIKKO (Changzhou) International Trading Co., LTD., and Tangzhuang Ecological Park. Our group has about workshops of 90-thousands m2, including various modern plants and kinds of advanced production equipments. After more than 10-years development, Lvsong Sci-Tech Group focuses on its major business, and create various new products, and keep up with the new revolution and upgrading. Now we become a comprehensive group providing various products such as the pressure vessels, vacuum equipments, engineering structural parts, electrical control cabinet and ecological agricultural products.

Lvsong Sci-Tech Group adheres to the management philosophy of Science and technology driven innovation, the first-class quality, and customer first, and gets rapid development under the support the abundant inland and out-land resources, the advanced technologies and equipments as well as the scientific management thoughts. Lvsong Sci-tech Group has built eight famous brands, which are the brand of "TianTian" for the pressure vessels, the brand of "Lvsong" for the precision structural parts, the brand of "Elmvac" for the vacuum equipments, the brand of "Runjiutian" for the control cabinets, the brand of "TangYuan " for the green agricultural products, the brand of "ZhiLin Aerospace" for the military products, the brand of "NIKKO" for the international trading of hydraulic and pneumatic equipment, machine and environmental tools, the brand of "Little Green Pin Tree" for the import and export business. All these brand products of Chinese origin can be delivered to the world, and we are also willing to introduce the world goods into China's inland circulation industry chain. Subsidiary companies have won various honorary titles such as the Provincial High-Tech enterprise, Jiangsu small and medium enterprises of science and technology, provincial private enterprises of science and technology.

In the future, Lvsong Sci-Tech Group will adhere to the quality policy of "Science and technology driven innovation, and the first-class quality" with the professional spirit, and further take advantages of the flexible mechanism of sci-tech private enterprises, to realize a beautiful vision among the enterprise, customers, employees and the society by the lean development and customized services.

Company Info

  • Representative: Tang Jie
  • Product/Service: Vacuum Equipment , Refirgeration Equipment , Chemical , Engineering Machinery , Pressure Vessel , Metal Structure
  • Capital (Million US $): US$746500
  • Year Established: 2019
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 91% - 100%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: no
  • Factory Size (Sq.meters): 50,000-100,000 square meters
  • Factory Location: 1-2 Longgang Road, Ligang Street, Jiangyin City
  • Contact Person: Ms. yoyo
  • Tel: +86-0519-4008282159
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