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Vertical outlet silencer type Roots vacuum pumps
Vertical outlet silencer type Roots vacuum pumps

Vertical outlet silencer type Roots vacuum pumps

Products Introduction

The rotor of the Roots vacuum pump features an advanced profile design with an impressive area utilization coefficient of 0.53. This enhancement results in a notable 5%~8% increase in volumetric efficiency at 98kPa, accompanied by a reduction of approximately 5dB(A) in noise levels.

Xinxiang Chenwei Machinery Company


1. Spiral Inlet Design: The fan inlet adopts a spiral configuration, creating sequential cavities that open and close as the impeller rotates, effectively reducing fan pulsation.
2. Advanced Rotor Design: Utilizing an innovative profile with an area utilization coefficient of 0.53, the rotor enhances volumetric efficiency by 5%~8% at 98kPa pressure while reducing noise by approximately 5dB(A).
3. Precision Manufacturing: Rotors are meticulously crafted using precision CNC equipment and inspected by a three-coordinate measuring center to ensure consistent performance. Dynamic and static balance tests are conducted on rotor sections before assembly, resulting in minimal fan vibration.
4. High-Precision Grinding Gears: Adoption of high-precision grinding gears significantly reduces mechanical noise, meeting Grade 5 precision standards outlined in national standard GB/T 10095-2008.
5. Enclosed Oil Tank and Lubrication System: The new fully enclosed oil tank and lubrication system prevent oil spraying or leakage, eliminating on-site pollution associated with older Roots fan models.
6. Echo Corridor Structure: Developed in collaboration with a Beijing acoustics research institute, the "echo corridor" structure dissipates heat from lubricating oil while reducing mechanical noise by about 3-5dB(A).
7. Improved Parts Interchangeability: Enhanced quality and production management systems enable the interchangeability of various fan parts, reducing production costs and lead times. Adequate inventory ensures same-day delivery for efficient service.
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