With high quality rietschle vacuum pump, harbor freight vacuum pump coupon, roots blower 404 ram and perfect service, we would like to cooperate with every customer to make progress, develop together and create a wonderful future. Faced with the new and complex market situation, we continue to improve the management system and continuously improve the ability and level of serving customers. Our business ideas: people-oriented, management first, vigorously expand the market and research and development wings to contribute to the society.
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 | ||
We updated and perfected the product structure of Double Stage Sliding Valve Pumps for Pneumatic Convey in order to comply with market changes and ever-increasing requirements of customers. We stick to the spirit of craftsmanship to the end, reflecting the love and dedication of each of our employees in every job. Our goal is to strive to achieve steady improvement in product quality with competitive prices to deliver it timely and reliable ensuring customers' satisfaction with the service.
Hot Tags: roots blower, manufacturers, suppliers, customized, wholesale, plumbing in a roots rotary blower, vacuum pump amazon, roots blower efficiency calculation, 12v centrifugal fan, Electro-Plating Agitation Blower, husqvarna blower air filter











