Electric Small Laboratory Diaphragm Oil Free Vacuum Pump

We always pursue excellent quality, pioneer and innovate, and have a group of professionals to continuously improve and perfect our ge roots blower, atlas copco turbo blower, VP Series Roots Vacuum Pump. We solemnly promise to all sectors of society that we would like to verify and show our super comprehensive strength through your comprehensive investigation and comparison. We continue to increase R&D investment to promote our company's development. We believe that the future will be a promising future, and we hope that we can cooperate with consumers all over the world for a long time.

Products name: DN125 (5 inch) roots blower 
Brand:RH
Model:RH12542
Place of orign:Nantong China
Drive :direct coupling / V-belt transmission
color: blue or silver
Motor brand: Jianghuai , Wannan,Teco  
Power:22kw /18.5kw/37kw
Motor protection class: IP55, Variable frequency motor available
Weight:750kg approx.
Flow capacity:15-25m3/min
Pressure:9.8-98kpa
Rotation speed:1200rp-2050rpm
Rated Voltage:380V,50HZ,3P;440V/60HZ/3P
lubrication: oil, grease
Noise: less than 81dB(A) 1 meter distance from roots blower 
cooling water connection size:DN15,G1/2 male thread for inlet pipe, female thread for outlet pipe

Q:What is the advantage of water cooling roots blower?
A:water cooling roots blower are advanced designed for tackling harsh working conditions such as high pressure which may higher than 68kpa, thus we suggest using water cooling type roots blower. The cooling water give the blower better cooling effect to reduce blower temprature. Thus the blower can oprerate for long time at a higher pressure case.

Where is the most common cooling water blower Application?

A: Water cooling roots blower are widely used in sewage treatment plant, wastewater treatment plant
for water aeration or v-type filter backwash.The water type is suitable when resistance is higher than 68.6kpa.
water cooling can reduce the blower body temperature and have a better performance. 

Q:What is the precautions when operation the cooling water roots blower?

A:The water inlet is located at middle level and outlet is at the top. The drain is at the bottom of the blower which should be closed when operation. When the room temperature is below 0 degree or below this frozen temperature, the cooling water should be drained in case frozen

The exceptional quality, perfect belief and endless pursuit make our Electric Small Laboratory Diaphragm Oil Free Vacuum Pump a solid and complete force in the marketplace. We will continue to scale up our research and development efforts and work closely with exceptional manufacturers in the industry. We create a 'multi-win' partnership cooperation system with meticulous professionalism and true and honest cooperation concepts, so as to help customers get the greatest value.

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