Many years of experience in the import and export of rotary lobe blower roots, vacuum pump for air conditioners, 3 cfm vacuum pump has laid the foundation for our understanding of domestic and foreign product standards and quality. Welcome your visiting and any your inquires, sincerely hope we can have chance to cooperate with you and we can build up long well business relationship with you. Integrity and efficiency are our service philosophy, and letting customers enjoy our supportive and considerate service is our service tenet. Our company brings together the top talents in the industry and builds a dynamic enterprise full of innovation.

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 | ||
We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for 3 Inch High Pressure Agricultural Irrigation Diesel Water Pump (cast iron). We will take the good product quality and the good faith service as the premise, provides the high quality product for all users and returns the customer and the society with the perfect after-sales service system. We hope to contribute to the progress and development of human society while pursuing the material and spiritual happiness of all our employees.
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