Our product performance is more stable and reliable, which guarantees the safety needs of our customers for our twincharging a bbc using a roots blower, roots drive blower, harbor freight vacuum pump coupon. We strive to enhance market influence and attention, improve brand value, and build the brand into the core competitiveness of the company. Uphold the integrity of management, customer demand-driven, we are committed to providing our customers with high-quality competitiveness of goods and services. Since its establishment, our company has designed and manufactured high quality products to serve the public with its enterprise management and high standard quality management system.
Standard Design & Constructional Features
· Factory engineered, factory guaranteed, superior product
· 100% oil free air delivery
· Alloy steel hardened and ground timing gears
· Anti-friction bearings
· Rotary oil seals
· Easy rotor timing setting
· No vanes, valves or rings to wear
· Large inlet and outlet connections for minimum loss
· Improved volumetric efficiency and reduced operating temp.
· Alloy steel toughened shafts ground to close tolerances

| Model | Speed(n) | △P | flow(Q) | shaft power | motor | weight | ||
| r/min | kPa | mmH2O | m3/min | kW | model | kW | kg | |
| RH25054 | 980 | 9.8 | 1000 | 43.6 | 11.9 | Y2-180L-6 | 15 | 1495 |
| 19.6 | 2000 | 42.1 | 18.2 | Y2-200L2-6 | 22 | 1550 | ||
| 29.4 | 3000 | 40.9 | 24.6 | Y2-225M-6 | 30 | 1592 | ||
| 39.2 | 4000 | 40.0 | 31.4 | Y2-250M-6 | 37 | 1708 | ||
| 49 | 5000 | 39.0 | 38.2 | Y2-280S-6 | 45 | 1848 | ||
| 58.8 | 6000 | 38.1 | 46.6 | Y2-280M-6 | 55 | 1906 | ||
| 68.6 | 7000 | 37.2 | 55.0 | Y2-315S-6 | 75 | 2167 | ||
| 78.4 | 8000 | 35.9 | 62.7 | Y2-315S-6 | 75 | 2167 | ||
| 88.2 | 9000 | 34.4 | 70.3 | Y2-315M-6 | 90 | 2267 | ||
| 98 | 10000 | 32.6 | 78.8 | Y2-315M-6 | 90 | 2267 | ||
| 1100 | 9.8 | 1000 | 49.7 | 13.5 | Y2-160L-4 | 15 | 1445 | |
| 19.6 | 2000 | 48.2 | 20.8 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 46.9 | 28.7 | Y2-225S-4 | 37 | 1584 | ||
| 39.2 | 4000 | 46.0 | 36.5 | Y2-225M-4 | 45 | 1620 | ||
| 49 | 5000 | 45.1 | 44.4 | Y2-250M-4 | 55 | 1727 | ||
| 58.8 | 6000 | 44.2 | 52.4 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 43.3 | 60.5 | Y2-280S-4 | 75 | 1810 | ||
| 1200 | 9.8 | 1000 | 54.8 | 15.1 | Y2-180M-4 | 18.5 | 1480 | |
| 19.6 | 2000 | 53.3 | 23.4 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 52.1 | 32.1 | Y2-225S-4 | 37 | 1584 | ||
| 39.2 | 4000 | 51.2 | 41.0 | Y2-225M-4 | 45 | 1620 | ||
| 49 | 5000 | 50.3 | 49.9 | Y2-250M-4 | 55 | 1727 | ||
| 58.8 | 6000 | 49.4 | 58.9 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 48.5 | 68.0 | Y2-280S-4 | 75 | 1810 | ||
| 1310 | 9.8 | 1000 | 59.8 | 16.0 | Y2-180M-4 | 18.5 | 1480 | |
| 19.6 | 2000 | 58.4 | 25.6 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 57.1 | 35.3 | Y2-225M-4 | 45 | 1620 | ||
| 39.2 | 4000 | 56.2 | 44.9 | Y2-250M-4 | 55 | 1727 | ||
| 49 | 5000 | 55.3 | 55.0 | Y2-280S-4 | 75 | 1810 | ||
| 58.8 | 6000 | 54.4 | 65.3 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 53.5 | 75.7 | Y2-280M-4 | 90 | 1900 | ||
| 1450 | 9.8 | 1000 | 68.6 | 17.7 | Y2-180L-4 | 22 | 1500 | |
| 19.6 | 2000 | 67.2 | 29.4 | Y2-225S-4 | 37 | 1584 | ||
| 29.4 | 3000 | 65.8 | 40.3 | Y2-225M-4 | 45 | 1620 | ||
| 39.2 | 4000 | 65.0 | 52.2 | Y2-280S-4 | 75 | 1860 | ||
| 49 | 5000 | 64.0 | 63.6 | Y2-280S-4 | 75 | 1860 | ||
| 58.8 | 6000 | 63.2 | 75.4 | Y2-280M-4 | 90 | 1950 | ||
| 68.6 | 7000 | 62.4 | 87.3 | Y2-315S-4 | 110 | 2280 | ||
| 78.4 | 8000 | 60.9 | 99.3 | Y2-315S-4 | 110 | 2280 | ||
| Model | Speed(n) | △P | flow(Q) |
shaft power |
motor | weight | ||
| r/min | kPa | mmH2O | m3/min | kW | model | kW | kg | |
| RH25054 | 980 | 9.8 | 1000 | 43.6 | 11.9 | Y2-180L-6 | 15 | 1495 |
| 19.6 | 2000 | 42.1 | 18.2 | Y2-200L2-6 | 22 | 1550 | ||
| 29.4 | 3000 | 40.9 | 24.6 | Y2-225M-6 | 30 | 1592 | ||
| 39.2 | 4000 | 40.0 | 31.4 | Y2-250M-6 | 37 | 1708 | ||
| 49 | 5000 | 39.0 | 38.2 | Y2-280S-6 | 45 | 1848 | ||
| 58.8 | 6000 | 38.1 | 46.6 | Y2-280M-6 | 55 | 1906 | ||
| 68.6 | 7000 | 37.2 | 55.0 | Y2-315S-6 | 75 | 2167 | ||
| 78.4 | 8000 | 35.9 | 62.7 | Y2-315S-6 | 75 | 2167 | ||
| 88.2 | 9000 | 34.4 | 70.3 | Y2-315M-6 | 90 | 2267 | ||
| 98 | 10000 | 32.6 | 78.8 | Y2-315M-6 | 90 | 2267 | ||
| 1100 | 9.8 | 1000 | 49.7 | 13.5 | Y2-160L-4 | 15 | 1445 | |
| 19.6 | 2000 | 48.2 | 20.8 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 46.9 | 28.7 | Y2-225S-4 | 37 | 1584 | ||
| 39.2 | 4000 | 46.0 | 36.5 | Y2-225M-4 | 45 | 1620 | ||
| 49 | 5000 | 45.1 | 44.4 | Y2-250M-4 | 55 | 1727 | ||
| 58.8 | 6000 | 44.2 | 52.4 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 43.3 | 60.5 | Y2-280S-4 | 75 | 1810 | ||
| 1200 | 9.8 | 1000 | 54.8 | 15.1 | Y2-180M-4 | 18.5 | 1480 | |
| 19.6 | 2000 | 53.3 | 23.4 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 52.1 | 32.1 | Y2-225S-4 | 37 | 1584 | ||
| 39.2 | 4000 | 51.2 | 41.0 | Y2-225M-4 | 45 | 1620 | ||
| 49 | 5000 | 50.3 | 49.9 | Y2-250M-4 | 55 | 1727 | ||
| 58.8 | 6000 | 49.4 | 58.9 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 48.5 | 68.0 | Y2-280S-4 | 75 | 1810 | ||
| 1310 | 9.8 | 1000 | 59.8 | 16.0 | Y2-180M-4 | 18.5 | 1480 | |
| 19.6 | 2000 | 58.4 | 25.6 | Y2-200L-4 | 30 | 1570 | ||
| 29.4 | 3000 | 57.1 | 35.3 | Y2-225M-4 | 45 | 1620 | ||
| 39.2 | 4000 | 56.2 | 44.9 | Y2-250M-4 | 55 | 1727 | ||
| 49 | 5000 | 55.3 | 55.0 | Y2-280S-4 | 75 | 1810 | ||
| 58.8 | 6000 | 54.4 | 65.3 | Y2-280S-4 | 75 | 1810 | ||
| 68.6 | 7000 | 53.5 | 75.7 | Y2-280M-4 | 90 | 1900 | ||
| 1450 | 9.8 | 1000 | 68.6 | 17.7 | Y2-180L-4 | 22 | 1500 | |
| 19.6 | 2000 | 67.2 | 29.4 | Y2-225S-4 | 37 | 1584 | ||
| 29.4 | 3000 | 65.8 | 40.3 | Y2-225M-4 | 45 | 1620 | ||
| 39.2 | 4000 | 65.0 | 52.2 | Y2-280S-4 | 75 | 1860 | ||
| 49 | 5000 | 64.0 | 63.6 | Y2-280S-4 | 75 | 1860 | ||
| 58.8 | 6000 | 63.2 | 75.4 | Y2-280M-4 | 90 | 1950 | ||
| 68.6 | 7000 | 62.4 | 87.3 | Y2-315S-4 | 110 | 2280 | ||
| 78.4 | 8000 | 60.9 | 99.3 | Y2-315S-4 | 110 | 2280 | ||
So far, we have developed into a well-equipped Vertical Multistage Air Operated Diaphragm Pump (JDL4/JDLF4) manufacturers in the industry. Welcome all nice buyers communicate details of solutions and ideas with us!! Over the years, we have been implementing the leading ideology of 'service first, reputation first' and established good business relationships with customers in many countries.
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