Roots Style Blower, 7HP, 220 V, Electric

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
50(2″),65(2.5″),80(3.15″),100(4″),125(5″),150(6″),200(7.8″),250(9.85″),300(11.8″)
Or in customer's indication range
3.Differential pressure scope
9.8-98kPa
4.Air capacity scope
0.6-184m3/min
5.Power of the motor
0.75-280kW
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

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

1.According to the work characteristic
a. booster blower
b. vacuum blower
2. According to the use-system
a. pneumatic transmission blower
b. gas delivery blower

3.According to the field of usage
a. cement plant blower
b. power plant blower
c. textile industry blower
d. coal mill blower
e. sewage treatment blower
f. building material industry blower

g. chemical industry blower
h. mechanical industry blower
i. Mining and metallurgy industry blower
j. paper making and printing industry blower
k. environmental protection industry blower
l. food and flour mill blower and others

The classical usage of our blower:
a. The blast furnace air supply blower
b. Stir homogenization library blower
c. Fuel atomization blower
d. Pneumatic ash-conveying blower
e. Ash library gasification blower
f. Vacuum dust removal blower
g. Aquaculture blower
h. Supply air for furnace in fluid bed blower
i. Coal jigging blower
j. Air dense medium coal preparation blower
k. Packed goods transport blower
l. Vacuum pressure swing absorption blower

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

A. Our payment terms are mainly choice T/T, L/C or other terms you are convenient.
B. Our package including two methods: standard exported wooden box and iron box.
C. Our transportation: by sea, air or railway transportation.

1. ISO9001:2015 management system certificate in 2007.
2. CE certificate for European Standard.
3.Roots blower patents including:
(1).A Roots blower case with low noise
(2).A composite wire rotor of three-lobe Roots blower
(3).A high negative pressure Roots vacuum pump
(4).Vacuum pump case(high negative pressure)
(5).A high-pressure air-cooling Roots blower
(6).A photoelectric dividing apparatus of the three-lobe rotor
(7).A Backflow pressure relief valve
Shangu brand coupling Drive filter backwash roots blower raw water filter processing
(8).Roots blower(high-pressure air-cooling)
(9).A Roots blower with a cooling tank without leakage
(10).A Roots steam compressor
(11).A steam compressor with mechanical seal
(12).A mechanical-sealed steam compressor's circulating water system for cooling
(13).A steam compressor's wallboard
(14).The intelligent monitoring system of Roots blower

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.