We have many years of roots blower 47 af, Reactive Silencer, 3 cfm vacuum pump production experience, we can bring you the best products and services, so that you can rest assured. Our company persists in management concept of 'Quality Creates Value, Profession Accomplishes Success'. We are endeavoring to provide world-class quality products and services for customers from China and all over the world. We regard quality as the life of an enterprise, and integrity as its precious wealth and we will always adhere to the promise of quality, integrity and systematic service, and strive to build high-end brands and lead the healthy development of the industry. Our business is to help customers get what they need, and every one of our employees has fully understood this, and our goal is to provide products and service of the same high-quality, which greatly exceed your expectations.

Roots blower also called positive rotary blower.
It provide relative constant air volume while at variable pressure fluctuation.Roots blower belongs to volumetric blower. The RH brand blower are kicked off since 1993.We supply a wide range of three lobe blowers from DN50 to DN 350.
We have grease type roots blower and oil lubricated roots blower. For high pressure we also designed water cooled roots blower.
With advanced rotor profile, our blower feature large flow volume while maintain low noise, which makes us standing out in this competitive industry.
Brief introduction:
| Products | Roots blower |
| Flow | 2.03-6.35m3/min |
| Boost | 9.8-58.8 kpa |
| Power | Low Pressure |
| Power source | Electric motor |
| Bore Dia. | DN65 |
| Material | Cast iron, stainless steel |
| Voltage | 380V/50Hz;440V/60HZ |
| CE | M2020206c8870 |
| Lubrication | grease/oil |
| Color | Blue/Silver(Accept customization) |
| Product packaging | Standard wooden package(Accept customization) |
| HS Code | 841459 |
| Certification | ISO9001,CE |
| Lead time | 5-10 weeks |
| Model | Speed(n) | △P | Air flow(Q) | Shaft Power | Motor | Weight | ||
| r/min | kPa | mmH2O | m3/min | kW | model | PowerkW | kg | |
| RH06521 | 1450 | 9.8 | 1000 | 2.94 | 0.81 | Y2-90S-4 | 1.1 | 208 |
| 19.6 | 2000 | 2.68 | 1.36 | Y2-90L-4 | 1.5 | 209 | ||
| 29.4 | 3000 | 2.51 | 1.93 | Y2-100L1-4 | 2.2 | 217 | ||
| 39.2 | 4000 | 2.33 | 2.47 | Y2-100L2-4 | 3 | 217 | ||
| 49 | 5000 | 2.18 | 3.13 | Y2-112M-4 | 4 | 227 | ||
| 58.8 | 6000 | 2.03 | 3.78 | Y2-112M-4 | 4 | 227 | ||
| 1650 | 9.8 | 1000 | 3.38 | 0.96 | Y2-90S-4 | 1.1 | 208 | |
| 19.6 | 2000 | 3.13 | 1.55 | Y2-100L1-4 | 2.2 | 217 | ||
| 29.4 | 3000 | 2.96 | 2.13 | Y2-100L2-4 | 3 | 218 | ||
| 39.2 | 4000 | 2.78 | 2.74 | Y2-112M-4 | 4 | 227 | ||
| 49 | 5000 | 2.63 | 3.34 | Y2-112M-4 | 4 | 227 | ||
| 58.8 | 6000 | 2.48 | 3.95 | Y2-132S-4 | 5.5 | 250 | ||
| 1800 | 9.8 | 1000 | 3.74 | 1.07 | Y2-90L-4 | 1.5 | 210 | |
| 19.6 | 2000 | 3.48 | 1.72 | Y2-100L1-4 | 2.2 | 218 | ||
| 29.4 | 3000 | 3.30 | 2.36 | Y2-100L2-4 | 3 | 219 | ||
| 39.2 | 4000 | 3.13 | 3.02 | Y2-112M-4 | 4 | 228 | ||
| 49 | 5000 | 2.98 | 3.67 | Y2-112M-4 | 4 | 228 | ||
| 58.8 | 6000 | 2.82 | 4.32 | Y2-132S-4 | 5.5 | 251 | ||
| 1950 | 9.8 | 1000 | 4.08 | 1.18 | Y2-90S-4 | 1.5 | 211 | |
| 19.6 | 2000 | 3.82 | 1.88 | Y2-100L1-4 | 2.2 | 218 | ||
| 29.4 | 3000 | 3.65 | 2.59 | Y2-100L2-4 | 3 | 219 | ||
| 39.2 | 4000 | 3.47 | 3.30 | Y2-112M-4 | 4 | 229 | ||
| 49 | 5000 | 3.32 | 4.01 | Y2-132S-4 | 5.5 | 252 | ||
| 58.8 | 6000 | 3.17 | 4.73 | Y2-132S-4 | 5.5 | 252 | ||
| 2100 | 9.8 | 1000 | 4.43 | 1.29 | Y2-100L1-4 | 2.2 | 219 | |
| 19.6 | 2000 | 4.17 | 2.06 | Y2-100L2-4 | 3 | 220 | ||
| 29.4 | 3000 | 4.00 | 2.81 | Y2-112M-4 | 4 | 230 | ||
| 39.2 | 4000 | 3.82 | 3.55 | Y2-112M-4 | 4 | 230 | ||
| 49 | 5000 | 3.67 | 4.30 | Y2-132S-4 | 5.5 | 253 | ||
| 58.8 | 6000 | 3.52 | 5.05 | Y2-132S-4 | 5.5 | 253 | ||
| 2950 | 9.8 | 1000 | 6.35 | 1.73 | Y2-90L-2 | 2.2 | 208 | |
| 19.6 | 2000 | 6.11 | 2.92 | Y2-112M-2 | 4 | 217 | ||
| 29.4 | 3000 | 5.92 | 4.14 | Y2-132S1-2 | 5.5 | 244 | ||
| 39.2 | 4000 | 5.74 | 5.32 | Y2-132S2-2 | 7.5 | 251 | ||
| 49 | 5000 | 5.61 | 6.56 | Y2-132S2-2 | 7.5 | 251 | ||
| 58.8 | 6000 | 5.48 | 7.78 | Y2-160M1-2 | 11 | 293 | ||
To create more value for Oil-Free Vertical Horizontal Reciprocating Wlw W Wy Series Vacuum Pump for Chemical Pharmaceutical Industry. Under the effect of market economy, our business scope has been expanded to the major regions and cities in the country, we are anxious about the urgent needs of users, think what users think. Under the background of the new era, we inject new development opportunities for products through new marketing, operations, and market environments.
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