China Magnetic Turbo Blower,Roots Blower,Roots Vacuum Pump,MVR Steam Compressor Supplier and Manufacturer Since 2007

RSR Series Three Lobes Roots Blower

Bore size:50-300mm(2-12″)

Pressure Rise:9.8-98Kpa

Air Capacity:0.6-184m³/min

Motor Power:0.75-280kw


Drive model:Belt or Coupling

Product Description

1.All models of RSR series
RSR-50 RSR-65 RSR-80 RSR-100 RSR-125 RSR-150C RSR-150 RSR-175A RSR-175 RSR-200A RSR-200H RSR-250D RSR-250A RSR-250B RSR-250E RSR-300A RSR-300C
2.Size of Discharge Bore
Or in customer’s indication range
3.Differential pressure scope
4.Air capacity scope
5.Power of the motor
Necessary standard accessories(common type)
Tuyere take over;entrance&exiting silencer(with air filter);flexible connector; check valve; foundation bolt; deflating valve; pressure gauge; base ;gear oil
Necessary standard accessories(nickel plating type)
Tuyere take over; entrance&exiting metal bellows; foundation bolt; pressure gauge; base; gear oil

Technical Datasheet

Component Production

A: Machine Casing Machining Component
Machine Blank-production&testing – Rough milling – Finish milling – Borehole -drilling&tapping -Testing -Stock
B: Lobes Machining Component
Machine Blank-Production&Testing-Lathe Facing&reaming hole-rough plane-finish plane-
semi-finished products -shaft installation-make static&dynamic balance
C: Drive/Driven Shafts Machining Component
Steel rod testing -cutting -Heat treatment -Bore Holes-Lathing smoothing-install shaft into the lobes-testing-stock.
Shangu brand coupling Drive filter backwash roots blower raw water filter processing
D: Wall Plate Machining Component
Plate Blank production – plate wall milling – bore holes -testing -stock


  • Wastewater/Sewage Treatment Plant
  • Cement Plant Kiln Air Supply
  • Quicklime Plant Kiln Air Supply
  • Pneumatic Conveying System
  • Aquaculture Aeration
  • Power Plant
  • Special Gas Delivery(Biogas)
  • Food Vacuum Package
  • Gas Combustion Supporting
  • Flue Gas Desulfurization
  • VPSA Oxygen Plant
  • Incinerators
  • Pipe Clearing
  • Ozone Implement
  • Compost Ferment
  • Plating Bath
  • Frozen Food
  • Airlift Pump
  • Press Machine
  • Back Washing
  • Imprinter Paper Feeding
  • Powder and Grain Transportation
Projects-Roots Blower

Product Advandages

1. Our company Introduced advanced processing technology from Korea and Japan,including CAD,CAM,CAPP. with combination of our company own high technology and rich experience.
2. Zero defective roots blower leave from the factory
3. Strict quality management system and performance testing system
4. Standard data of specification, it is easy for roots blower selection.
5. Dynamic balance could be achieved and no vibration can be felt.
6. Oil-free, no oil pollution for transportation medium
7. Compact structure, small volume, light weight with graceful appearance
8. More than 20 inventions and utility model patents
9. Longer Service Life, lower cost and safer than other blowers.
10. CE and ISO 9001 Certification
11. Shangu Brand under Madrid Protocol

Packaging & Shipping

Packing and delivery -Roots Blower

Company Introduction

Shandong Mingtian Machinery Co.,Ltd. locates in the famous town of mechanical processing Xianggong Town,Zhangqiu City,Shandong Province, which is a professional enterprise engaged in integrated scientific research, production and sales. The company has advanced CNC machining center and testing equipment 50sets. In 2007, the company have passed the CE/ISO international quality system and have been awarded” customer satisfactory” “observing contract and valuing credit enterprise”. In 2008, our tri-lobes roots blower was evaluated key recommendation in Chinese Environmental Protection Mechanical profession association, registered trademark “Shangu” won the Jinan famous trademark. In 2017, We passed the Madrid trademark registration application and got the recognition.
Adhering to the guideline of “Specialty builds quality, Honesty creates future”, the company establishes perfect system of before and after sales service and forms eight product series of RSR,MTS,MTR high-pressure , MJ compressed and Roots vacuum pump, High-negative pressure Roots vacuum pump, the double stage high pressure type, Roots vapor compressor. The product has a flow of 0.6m3/min-1059m3/min, pressure rise of 9.8-196kpa, 63 different types, which is widely used in pneumatic conveying, wastewater treatment, aquaculture, chemical, petroleum, metallurgy, electric power, food vacuum package, cement plant, power plant, powder conveying, coal mill, textile plant and many other industries and fields.
Following the production and operation idea “taking reputation based on quality and development based on innovation” as the core, and the cultural idea of “eternal credit and innovation, co-existing product and moral quality.”The company is people-orientated and forges ahead to construct a modernized enterprise with advanced technology, scientific management, prosperous business and high-quality talents. The company is willing to cooperate with friends from all over the world to create a happy tomorrow.

Workshop and Equipments-Roots Blower
Spare Parts and Stock-Roots Blower

Download Our Product Catalogue for more Information