Find Vacuum Pump Roots Blower, Three Lobes Roots Blowers, Air Pump Roots Blowers on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

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Blower for coke oven gas pumping
  • Blower for coke oven gas pumping
  • Blower for coke oven gas pumping
  • Blower for coke oven gas pumping

Blower for coke oven gas pumping

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Min. Order: 1 Set/Sets
Delivery Time: 10-30 Days

Basic Info

Model No.: HLSR250V

Product Description

The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes not unlike a set of stretched gears. Fluid is trappe d in pockets surrounding the lobes and carried from the intake side to the exhaust. It is frequently used as a supercharger in engines, where it is driven directly from the engine's crankshaft via a belt or, in a two-stroke diesel engine, by spur gears


1.Positive/Negative displacement blower, no compression, air conveying is smooth, there is small flow rate changes along with pressure changes.

2 Tri-lobe linear-shaped impeller making inlet and outlet pulsation quiet with low noise and vibration.

3 Special impeller of mesh curve and small enclosure making roots blower high efficiency, low energy consumption.

4 Small size, light weight and elegant appearance.

5 With high-precision synchronous hard-toothed surface gears ensure long life.

6 Much cleaner with no oil

7 with nitrile rubber seal rings

8 Swedn SKF brearings

9 Germany OPTI belts

Usage:sewage treatment,biogas firing system,printing pool

stir, flour, aquaculture, pneumatic conveying, electric power and cement industries etc.

Accessory: suction silence (with air filter). Discharge silence, pressure relief valve, pressure gauge, cock, vibration-isolating base, rubber vibration isolator, expansion joint, Check valve, general basement,first fill of lubrication oil,


Shandong Heli




Roots Vacuum Pump


HLSRseries three lobes pump

Flow rate




Motor power



50HZ, 60HZ







Drive type

Direct coupling or belt transmission

Cooling type

Air cooling

Net Weight

Package dimension


Three Lobes Roots Blowers

Shandong Heli Machinery Co.,Ltd


Shandong HeLi Machinery Co., Ltd is China professional manufacturer of roots blower and roots vacuum pump.We can help you in analyzing blower specifications‚ choosing blower models‚ preparing delivery‚ and providing technical help or suggestions in installing,commissioning operating. Heli Blower devotes itself in researching‚ developing and producing different types of blower to help more and more project to operate well in every corner of the world. If you choose Heli‚ then you win.

Our roots blower capacity from 0.6m3/min to 366m3/min, pressure from 9.8kpa to 98kpa. 17 models, 100 kinds of specifications, Our products have the characteristics of small volume, high efficiency, low noise, balanced and reliable operation, they are widely used in pneumatic conveying,
sewage treatment, vacuum packaging, aquaculture, chemical industry, metallurgy, electric power, wheat flour, cement building materials, textile
and Other fields of desulfurization.

Company Info
  • Company Name: Shandong Heli Machinery Co.,Ltd
  • Representative: Zuojun Xie
  • Product/Service: Roots Blower , Roots Vacuum Pump , High Pressure Roots Air Blower , Pneumatic Conveying Blower , Positive Displacement Blower , Special Gas Blower Pump
  • Capital (Million US $): 1000000RMB
  • Year Established: 2009
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 21% - 30%
  • Total Annual Purchase Volume (Million US $): US$2.5 Million - US$5 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: 91 -100 People
  • No. of QC Staff: 41 -50 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: No.458 Industrial Park Zhangqiu city, Shandong Province, China
  • Contact Person: Ms. Kate
  • Tel: 86-531-83386816
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