
Products description
RH blower
RH Roots Blower is exquisitely designed and fabricated according to the national and industry standards by our extensive experienced technicians . we are one of the industrial benchmark drafters in roots blower industry.
Place of origin:China
Port:Shanghai
Diameter: DN65
Flow Capacity:2.0-6.3m3/min
Pressure:up to 78kpa
Noise:less than 78dB(A)
cooling type: water cooling or air cooling
motor:1.5kw-7.5kw IP55 380V/415V 50HZ
Accessories: inlet silencer, outlet silencer, check valve, flexible joint,pressure gauge
connection: direct coupling
RH direct coupling roots blower with special treatment on gas contacting component which is air tight, no leakage. The impeller and wallpanel are phosperous- nickle coating, which is corrosion resistance.
AEXT Certified motor are equiped with blower through direct coupling, which is spark free, safety ensured.
RH roots blower are fully tested under international standards before shipping to customer.


RH roots blower adopt genuine spare parts to ensure long lifespan when facing harsh environment challange, be it explosive gas transportation or extraction, the transport medium can be biogas, methane, hydrogen, sulfide hydrogen, industrial process gas etc.
Nantong Rongheng Environmental Equipment Co., Ltd is Previously known as Nantong Hengrong pump factory. Our previous company kicked off in 1993, the earliest three lobe roots blower manufacturer in China.We have accumulated almost 30 years hands-on experience and we can offer a wide range of standard products but distinguish ourselves by providing custom solutions with minimal additional cost. Rongheng's commitment is to provide the right product for your application supported by our innovative team of engineers.
| Model | Speed(n) | △P | flow(Q) | Air flow(Q) | shaft Power | Motor | Weight | ||
| r/min | kPa | mmH2O | m3/min | CFM | kW | Model | kW | kg | |
| RH06521 | 1450 | 9.8 | 1000 | 2.94 | 103.78 | 0.81 | Y2-90S-4 | 1.1 | 208 |
| 19.6 | 2000 | 2.68 | 94.60 | 1.36 | Y2-90L-4 | 1.5 | 209 | ||
| 29.4 | 3000 | 2.51 | 88.60 | 1.93 | Y2-100L1-4 | 2.2 | 217 | ||
| 39.2 | 4000 | 2.33 | 82.25 | 2.47 | Y2-100L2-4 | 3 | 217 | ||
| 49 | 5000 | 2.18 | 76.95 | 3.13 | Y2-112M-4 | 4 | 227 | ||
| 58.8 | 6000 | 2.03 | 71.66 | 3.78 | Y2-112M-4 | 4 | 227 | ||
| 1650 | 9.8 | 1000 | 3.38 | 119.31 | 0.96 | Y2-90S-4 | 1.1 | 208 | |
| 19.6 | 2000 | 3.13 | 110.49 | 1.55 | Y2-100L1-4 | 2.2 | 217 | ||
| 29.4 | 3000 | 2.96 | 104.49 | 2.13 | Y2-100L2-4 | 3 | 218 | ||
| 39.2 | 4000 | 2.78 | 98.13 | 2.74 | Y2-112M-4 | 4 | 227 | ||
| 49 | 5000 | 2.63 | 92.84 | 3.34 | Y2-112M-4 | 4 | 227 | ||
| 58.8 | 6000 | 2.48 | 87.54 | 3.95 | Y2-132S-4 | 5.5 | 250 | ||
| 1800 | 9.8 | 1000 | 3.74 | 132.02 | 1.07 | Y2-90L-4 | 1.5 | 210 | |
| 19.6 | 2000 | 3.48 | 122.84 | 1.72 | Y2-100L1-4 | 2.2 | 218 | ||
| 29.4 | 3000 | 3.30 | 116.49 | 2.36 | Y2-100L2-4 | 3 | 219 | ||
| 39.2 | 4000 | 3.13 | 110.49 | 3.02 | Y2-112M-4 | 4 | 228 | ||
| 49 | 5000 | 2.98 | 105.19 | 3.67 | Y2-112M-4 | 4 | 228 | ||
| 58.8 | 6000 | 2.82 | 99.55 | 4.32 | Y2-132S-4 | 5.5 | 251 | ||
| 1950 | 9.8 | 1000 | 4.08 | 144.02 | 1.18 | Y2-90S-4 | 1.5 | 211 | |
| 19.6 | 2000 | 3.82 | 134.85 | 1.88 | Y2-100L1-4 | 2.2 | 218 | ||
| 29.4 | 3000 | 3.65 | 128.85 | 2.59 | Y2-100L2-4 | 3 | 219 | ||
| 39.2 | 4000 | 3.47 | 122.49 | 3.30 | Y2-112M-4 | 4 | 229 | ||
| 49 | 5000 | 3.32 | 117.20 | 4.01 | Y2-132S-4 | 5.5 | 252 | ||
| 58.8 | 6000 | 3.17 | 111.90 | 4.73 | Y2-132S-4 | 5.5 | 252 | ||
| 2100 | 9.8 | 1000 | 4.43 | 156.38 | 1.29 | Y2-100L1-4 | 2.2 | 219 | |
| 19.6 | 2000 | 4.17 | 147.20 | 2.06 | Y2-100L2-4 | 3 | 220 | ||
| 29.4 | 3000 | 4.00 | 141.20 | 2.81 | Y2-112M-4 | 4 | 230 | ||
| 39.2 | 4000 | 3.82 | 134.85 | 3.55 | Y2-112M-4 | 4 | 230 | ||
| 49 | 5000 | 3.67 | 129.55 | 4.30 | Y2-132S-4 | 5.5 | 253 | ||
| 58.8 | 6000 | 3.52 | 124.26 | 5.05 | Y2-132S-4 | 5.5 | 253 | ||
| 2950 | 9.8 | 1000 | 6.35 | 224.16 | 1.73 | Y2-90L-2 | 2.2 | 208 | |
| 19.6 | 2000 | 6.11 | 215.68 | 2.92 | Y2-112M-2 | 4 | 217 | ||
| 29.4 | 3000 | 5.92 | 208.98 | 4.14 | Y2-132S1-2 | 5.5 | 244 | ||
| 39.2 | 4000 | 5.74 | 202.62 | 5.32 | Y2-132S2-2 | 7.5 | 251 | ||
| 49 | 5000 | 5.61 | 198.03 | 6.56 | Y2-132S2-2 | 7.5 | 251 | ||
| 58.8 | 6000 | 5.48 | 193.44 | 7.78 | Y2-160M1-2 | 11 | 293 | ||
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