We will comprehensively increase the pace of corporate internal restructuring, improve product innovation technology to create roots pd blower service, roots blower intercooler, roots ram blower that meet customer needs. We try our best to provide our customers with better products and the most complete services based on the forefront of modern development, relying on science and technology and courage to explore, and has become one of the most competitive enterprises in the same industry in China. With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have won unanimous recognition from customers with our excellent quality, stable performance, and good after-sales service.
Three lobed low noise roots blower from Nantong Rongheng, we are professional roots blower manufacturer since 1993.
Roots type blower are widely used in water treatment and gas delivery sector.

| Model | Speed(n) | △P | flow(Q) | shaft power | motor | weight | ||
| r/min | kPa | mmH2O | m3/min | kW | model | kW | kg | |
| RH20053 | 980 | 9.8 | 1000 | 28.7 | 8.2 | Y2-160L-6 | 11 | 1117 |
| 19.6 | 2000 | 27.7 | 12.6 | Y2-180L-6 | 15 | 1170 | ||
| 29.4 | 3000 | 26.9 | 17.0 | Y2-200L1-6 | 18.5 | 1190 | ||
| 39.2 | 4000 | 26.3 | 21.7 | Y2-225M-6 | 30 | 1270 | ||
| 49 | 5000 | 25.7 | 26.4 | Y2-225M-6 | 30 | 1270 | ||
| 58.8 | 6000 | 25.1 | 32.2 | Y2-250M-6 | 37 | 1470 | ||
| 68.6 | 7000 | 24.5 | 38.0 | Y2-280S-6 | 45 | 1646 | ||
| 78.4 | 8000 | 24.1 | 43.3 | Y2-280M-6 | 55 | 1666 | ||
| 88.2 | 9000 | 23.3 | 48.5 | Y2-280M-6 | 55 | 1666 | ||
| 98 | 10000 | 22.5 | 53.7 | Y2-315S-6 | 75 | 1829 | ||
| 1100 | 9.8 | 1000 | 32.7 | 9.3 | Y2-160M-4 | 11 | 1127 | |
| 19.6 | 2000 | 31.7 | 14.4 | Y2-180M-4 | 18.5 | 1226 | ||
| 29.4 | 3000 | 30.9 | 19.8 | Y2-200L-4 | 30 | 1300 | ||
| 39.2 | 4000 | 30.3 | 25.2 | Y2-200L-4 | 30 | 1300 | ||
| 49 | 5000 | 29.7 | 30.7 | Y2-225S-4 | 37 | 1360 | ||
| 58.8 | 6000 | 29.1 | 36.2 | Y2-225M-4 | 45 | 1400 | ||
| 68.6 | 7000 | 28.5 | 41.8 | Y2-250M-4 | 55 | 1469 | ||
| 78.4 | 8000 | 27.9 | 47.6 | Y2-250M-4 | 55 | 1469 | ||
| 1200 | 9.8 | 1000 | 36.1 | 10.4 | Y2-160L-4 | 15 | 1197 | |
| 19.6 | 2000 | 35.1 | 16.2 | Y2-180M-4 | 18.5 | 1229 | ||
| 29.4 | 3000 | 34.3 | 22.2 | Y2-200L-4 | 30 | 1303 | ||
| 39.2 | 4000 | 33.7 | 28.3 | Y2-225S-4 | 37 | 1363 | ||
| 49 | 5000 | 33.1 | 34.5 | Y2-225M-4 | 45 | 1403 | ||
| 58.8 | 6000 | 32.5 | 40.7 | Y2-225M-4 | 45 | 1403 | ||
| 68.6 | 7000 | 31.9 | 47.0 | Y2-250M-4 | 55 | 1472 | ||
| 78.4 | 8000 | 31.3 | 53.5 | Y2-280S-4 | 75 | 1607 | ||
| 1310 | 9.8 | 1000 | 39.7 | 11.2 | Y2-160M-4 | 15 | 1200 | |
| 19.6 | 2000 | 38.7 | 17.8 | Y2-180L-4 | 22 | 1250 | ||
| 29.4 | 3000 | 37.9 | 24.5 | Y2-200L-4 | 30 | 1305 | ||
| 39.2 | 4000 | 37.3 | 31.3 | Y2-225S-4 | 37 | 1366 | ||
| 49 | 5000 | 36.7 | 38.3 | Y2-225M-4 | 45 | 1405 | ||
| 58.8 | 6000 | 36.1 | 45.5 | Y2-250M-4 | 55 | 1475 | ||
| 68.6 | 7000 | 35.5 | 52.7 | Y2-280S-4 | 75 | 1610 | ||
| 78.4 | 8000 | 34.9 | 60.4 | Y2-280S-4 | 75 | 1610 | ||
| 1450 | 9.8 | 1000 | 44.6 | 12.1 | Y2-160L-4 | 15 | 1215 | |
| 19.6 | 2000 | 43.6 | 20.0 | Y2-200L-4 | 30 | 1300 | ||
| 29.4 | 3000 | 42.8 | 27.5 | Y2-225S-4 | 37 | 1355 | ||
| 39.2 | 4000 | 42.2 | 35.6 | Y2-225M-4 | 45 | 1400 | ||
| 49 | 5000 | 41.6 | 43.4 | Y2-250M-4 | 55 | 1469 | ||
| 58.8 | 6000 | 41.0 | 51.4 | Y2-280S-4 | 75 | 1606 | ||
| 68.6 | 7000 | 40.5 | 59.5 | Y2-280S-4 | 75 | 1606 | ||
| 78.4 | 8000 | 40.0 | 67.7 | Y2-280S-4 | 75 | 1606 | ||
| 88.2 | 9000 | 39.2 | 75.9 | Y2-280M-4 | 90 | 1711 | ||
| 98 | 10000 | 38.0 | 85.0 | Y2-315S-4 | 110 | 2040 | ||
| Model | Speed(n) | △P | flow(Q) | shaft power | motor | weight | ||
| r/min | kPa | mmH2O | m3/min | kW | model | kW | kg | |
| RH20053 | 980 | 9.8 | 1000 | 28.7 | 8.2 | Y2-160L-6 | 11 | 1117 |
| 19.6 | 2000 | 27.7 | 12.6 | Y2-180L-6 | 15 | 1170 | ||
| 29.4 | 3000 | 26.9 | 17.0 | Y2-200L1-6 | 18.5 | 1190 | ||
| 39.2 | 4000 | 26.3 | 21.7 | Y2-225M-6 | 30 | 1270 | ||
| 49 | 5000 | 25.7 | 26.4 | Y2-225M-6 | 30 | 1270 | ||
| 58.8 | 6000 | 25.1 | 32.2 | Y2-250M-6 | 37 | 1470 | ||
| 68.6 | 7000 | 24.5 | 38.0 | Y2-280S-6 | 45 | 1646 | ||
| 78.4 | 8000 | 24.1 | 43.3 | Y2-280M-6 | 55 | 1666 | ||
| 88.2 | 9000 | 23.3 | 48.5 | Y2-280M-6 | 55 | 1666 | ||
| 98 | 10000 | 22.5 | 53.7 | Y2-315S-6 | 75 | 1829 | ||
| 1100 | 9.8 | 1000 | 32.7 | 9.3 | Y2-160M-4 | 11 | 1127 | |
| 19.6 | 2000 | 31.7 | 14.4 | Y2-180M-4 | 18.5 | 1226 | ||
| 29.4 | 3000 | 30.9 | 19.8 | Y2-200L-4 | 30 | 1300 | ||
| 39.2 | 4000 | 30.3 | 25.2 | Y2-200L-4 | 30 | 1300 | ||
| 49 | 5000 | 29.7 | 30.7 | Y2-225S-4 | 37 | 1360 | ||
| 58.8 | 6000 | 29.1 | 36.2 | Y2-225M-4 | 45 | 1400 | ||
| 68.6 | 7000 | 28.5 | 41.8 | Y2-250M-4 | 55 | 1469 | ||
| 78.4 | 8000 | 27.9 | 47.6 | Y2-250M-4 | 55 | 1469 | ||
| 1200 | 9.8 | 1000 | 36.1 | 10.4 | Y2-160L-4 | 15 | 1197 | |
| 19.6 | 2000 | 35.1 | 16.2 | Y2-180M-4 | 18.5 | 1229 | ||
| 29.4 | 3000 | 34.3 | 22.2 | Y2-200L-4 | 30 | 1303 | ||
| 39.2 | 4000 | 33.7 | 28.3 | Y2-225S-4 | 37 | 1363 | ||
| 49 | 5000 | 33.1 | 34.5 | Y2-225M-4 | 45 | 1403 | ||
| 58.8 | 6000 | 32.5 | 40.7 | Y2-225M-4 | 45 | 1403 | ||
| 68.6 | 7000 | 31.9 | 47.0 | Y2-250M-4 | 55 | 1472 | ||
| 78.4 | 8000 | 31.3 | 53.5 | Y2-280S-4 | 75 | 1607 | ||
| 1310 | 9.8 | 1000 | 39.7 | 11.2 | Y2-160M-4 | 15 | 1200 | |
| 19.6 | 2000 | 38.7 | 17.8 | Y2-180L-4 | 22 | 1250 | ||
| 29.4 | 3000 | 37.9 | 24.5 | Y2-200L-4 | 30 | 1305 | ||
| 39.2 | 4000 | 37.3 | 31.3 | Y2-225S-4 | 37 | 1366 | ||
| 49 | 5000 | 36.7 | 38.3 | Y2-225M-4 | 45 | 1405 | ||
| 58.8 | 6000 | 36.1 | 45.5 | Y2-250M-4 | 55 | 1475 | ||
| 68.6 | 7000 | 35.5 | 52.7 | Y2-280S-4 | 75 | 1610 | ||
| 78.4 | 8000 | 34.9 | 60.4 | Y2-280S-4 | 75 | 1610 | ||
| 1450 | 9.8 | 1000 | 44.6 | 12.1 | Y2-160L-4 | 15 | 1215 | |
| 19.6 | 2000 | 43.6 | 20.0 | Y2-200L-4 | 30 | 1300 | ||
| 29.4 | 3000 | 42.8 | 27.5 | Y2-225S-4 | 37 | 1355 | ||
| 39.2 | 4000 | 42.2 | 35.6 | Y2-225M-4 | 45 | 1400 | ||
| 49 | 5000 | 41.6 | 43.4 | Y2-250M-4 | 55 | 1469 | ||
| 58.8 | 6000 | 41.0 | 51.4 | Y2-280S-4 | 75 | 1606 | ||
| 68.6 | 7000 | 40.5 | 59.5 | Y2-280S-4 | 75 | 1606 | ||
| 78.4 | 8000 | 40.0 | 67.7 | Y2-280S-4 | 75 | 1606 | ||
| 88.2 | 9000 | 39.2 | 75.9 | Y2-280M-4 | 90 | 1711 | ||
| 98 | 10000 | 38.0 | 85.0 | Y2-315S-4 | 110 | 2040 | ||
The excellence of products and the pursuit of perfect service are the key to the success of our company. We will continue to strive to create the best performance Sliding Valve Vacuum Pump for Pneumatic Conveying to our customers all over the world. We have been looking forward to cooperating with more clients worldwide for common development and mutual benefit! We will continue to use high-quality products, professional technology, and sincere service to help customers save costs and promoting the construction of the industry with practical actions.
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