In order to rapidly develop the market and realize the industrialization and scale of Roots Blower/Vacuum Pump, roots blower oil, appion vacuum pump, we continue to create and improve the products, with the goal of shortening the product design cycle and reducing development costs. Our company always adheres to the business philosophy of 'Quality Assurance, Credit First', actively integrates market resources, and wholeheartedly serves customers at home and abroad. Our company has established a strategy to attract and retain key talents and maintain a lasting competitive advantage.

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 | ||
Our enterprise has a quality assurance system are actually established for Oil Suction Fluid Diesel Liquid Extractor Removal Transfer Vacuum Hand Pump 6.5L. The solutions are obtainable in improved designs and richer assortment, they're created scientifically of purely raw supplies. While producing high-quality and high-efficiency products, we also provide customers with batches of cost-effective products from the customer's point of view, and provide them with cordial and caring services.
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