C150 Free Standing Mounting and Speed Centrifugal Blower

Model NO.
Rotating Speed
0-3550 Rpm
Motor Power
69-280.5 Kw
Driving Method
Coupling Drive
Net Weight
2.88-6.05 Ton
Type of Technology
Centrifugal Blowers
Air, Neutral Gases
ISO9001 and Ce Certificate
Under 80dB
Transport Package
Bubble Film or in Accordance with Customer Require
HS Code
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Shandong Dacheng Machinery Technology Co., Ltd. Diamond / Audited Supplier
C150 Free Standing Mounting and  Speed Centrifugal blower
Products Introduce

DACHENG MACHINERY offers a full range of multistage centrifugal blowers with 20 models to choose from. We have the right blower for your application today and our Research and Development department is developing new models to meet your needs tomorrow.

C150multistage centrifugal blower:
Pressure:  -49 – 78.4 Kpa
Air capacity: 150 m³/min.

Dacheng manufactures blower and process control systems as well as provides complete blower packages with accessories to meet a wide variety of applications. 

Model and Technical Details

Using environment Transport media Air, Neutral gases
Inlet temperature(ºC) 0 ~ 40ºC
Inlet Pressure(kPa A) 101.32Kpa.A
Blower Model C150
Air capacity(m3/min) 0 ~150
Round speed(r/min) 0 ~ 3550
Transmission form Directly connected by Couplings

78.4Kpa pressure

-49.0Kpa vacuum

Lubrication method Oil splash lubrication
Cooling method Air cooled
Sealed form Labyrinth seal + carbon ring seal + suction seal
Axial balance device With axial balance plate
Safety device Bearing temperature and vibration sensor
Noise at 1 meter from the blower  ≤80dB
Motor Model Energy efficient broadband motor
Power(kW) 2.88-6.05
power supply 380V, 30~70hz 3 phases or Customize
Degree of protection IP55
Round speed(r/min) 3550
Efficiency IE3
Explosion protection rating Customize
Insulation class F
Material Blower case HT250
Impeller ZL105 Aluminum alloy
Wallboard HT250
Oil tank ZL104A Aluminum alloy
Bearing SKF Bearing
Coupling JM200+ Flexible diaphragm couplings
Spindle 45# Conditioning
Installation Fixed way Placed directly without need for anchor bolts

1. Energy-efficient.
2. Non-bolt installation.
3. Customized high-speed efficient broadband motor.
4. Monitoring device.
5. Air cooling.
6. Long service life.
7. American Shell lubricant.
1- Energy-efficient:
Adopts American Gardner- Denver technology. The round speed of blower is 3600 rpm. The faster round speed, the greater centrifugal force, the higher efficiency, the lower power. In the same air capacity and pressure, the energy consumption of the multistage centrifugal blower is 15-25% lower than the roots blower.
2- Non-bolt installation:
Small tremors, the bearing vibration of the blower is <4mm/s. Our multistage centrifugal blower is one and only non- bolt installation blower in China.
3- Customized high-speed efficient broadband motor:
Motor frequency is 30-70Hz, round speed of motor is 4000 rpm. The bearing of the motor is Sweden SKF Bearing. The principal axis of the motor is ceramic plating to eliminate the magnetism.
4- Monitoring device:
The monitoring device is real-time monitoring the electricity, the voltage, round speed, vibration and temperature. When the temperature or vibration of the blower is over the setting range, the monitoring device will automatically power off to protect the blower.
5- Air cooling:
The bearing and oil box are on the both ends of the blower to isolate the heat of the rotors and there is the fan for cooling. The air cooling can be used in low temperature and reduce the use cost.
6- Long service life:
The blower cover is integrally casting with HT250 high grade cast iron. The impeller is casting with aluminum alloy. The bearing is using Swedish SKF bearing. The service life of multistage centrifugal blower is 10 years.
7- American Shell lubricant:
The multistage centrifugal blower is using American Shell lubricant. The lubricant can reduce the wear of the bearing and the service cost than lubricating grease.
Blower shell structure:

1. The blower shell is made of high quality cast iron. The pressure is changed by changing the number of the impellers.
2. There are different variety of options for inlet and outlet orientation design, according to the users site to choose.
Rotor device

1. Impeller is casting by gravity, use steel mold, to ensure the accuracy of the impeller.
2. The single impeller is corrected by static balance, the rotor device being assembled is corrected by dynamic balance, to ensure smooth operation of the blower.
3. Each series of blowers are designed with a variety performance of impellers.
4. The balance plate is a utility model patented technology, it greatly reduces the axial force on the bearing, improve the efficiency of the blower and extended the bearing lift.
Complete blower

1. The whole structure of the blower has a patent for appearance.
2. The blower and the motor are fixed on the steel base. The whole blower can be placed on the cement hardened ground without the anchors, easy to install.  
Bearing device

1. Bearing device is fixed on the both ends of the blower, the temperature of the bearings is substantially reduced. And it is easy to routine maintenance.
2. Shaft seal is using labyrinth seal, carbon ring and suction seal. The suction seal is a utility model patents.  

1. Municipal and industrial water treatment/sewage treatment biochemical aeration
2. Steel, chemical, carbon black industry high pressure air supply
3. Desulfurization System
4. Zinc plating technique
5. Mine flotation
6. Process gas supply
7. Landfill gas extraction
8. Pneumatic transmission
9. Vacuum Pumping Application
Bubble film or in accordance with customer requirements
ISO9001 and CE certificate

1. Whats the information should I provide when inquiry?
A: Air capacity
B: Pressure
C: Purpose
D: Use environment(Temperature, atmospheric pressure)
Or other specials you give us will be more appreciated. 
2. How long is your warranty?
Our warranty is 12 months after received the multistage centrifugal blowers. 
3. How long is the service life of multistage centrifugal blowers?
About 10 years under common use.
4. What is your terms of packing?
A: Generally, we pack our goods in bubble film. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.
5. How does your factory control product quality? 
We have quality inspection department. Before sending out product, we check each product. If there is quality problem, we will produce new one.
6.What are your terms of payment?

Contact Us
Shandong Dacheng Machinery Technology Co., LTD
Zhangqiu Mingshui, Jinan City, Shandong province, China 250200.
Website: http://www.chinadicheng.com
Tel: +86 0531-83216898
Fax: +86 0531-83216898
Cellphone: +86 013188890202