▍ Product parameters / Product parameters
| Flow range | 105.5~188.7m?/ min |
| Boost range | 9.8~58.8kpa |
| Configure power range | 37~220kw |
| Fan speed range | 650-980rpm |
| Transmission medium range | Air, gas, biogas, etc
|
▍ product details / Product Details
? Product Introduction
Roots blower is composed of four parts: casing, wallboard, impeller, inlet and outlet muffler, etc.
Casing: mainly used to support wallboard, impeller, muffler and fixation.
Wall plate: mainly used to connect the casing and the impeller, support the rotation of the impeller, and play the role of end sealing
Impeller: it is the rotating part of Roots blower, which is divided into two leaves and three leaves. Now, the three leaf blower has gradually replaced the two leaf Roots blower due to its advantages such as less air pulsation, less noise and smooth operation than the two leaf blower.
Muffler: used to reduce the noise generated by the inlet and outlet airflow pulsation of Roots blower. ? Performance characteristics
(1) The operating pressure of fan is 9.8kpa~98kPa.
(2) The fan impeller adopts compound profile, with perfect engagement, less leakage and high efficiency.
(3) The blower impeller is made of nodular cast iron, the contour is processed by CNC machine tools, the gear is of 5-grade accuracy, and imported bearings are used. The rotor dynamic balance quality is not lower than G6.3, so the product has low noise and reliable operation.
(4) The fan air volume can range from 0.65 m3/min to 226.0m3/min, with large coverage and wide application range.
(5) The whole product has compact structure, small volume and light weight.
(6) Long service life and simple maintenance. ? Parameter Details model
(Three blade Roots blower) | Air volume range
（m?/min） | Power range
(kw) | Outlet diameter | Fan weight
（KG） | Pressure range | Voltage |
| Sr50 | 0.65-2.13 | 0.75-4 | DN50 | 87-119 | 9.8kp-58.8kp | 380V |
| Sr65 | 0.94-3.00 | 0.75-5.5 | DN65 | 98-145 |
| Sr80 | 2.34-5.22 | 2.2-7.5 | DN80 | 156-200 |
| Sr100 | 3.25-8.05 | 2.2-15 | DN100 | 190-297 |
| Sr125 | 5.35-11.7 | 3-18.5 | DN125 | 285-401 |
| Sr150 | 10.37-27.15 | 7.5-45 | DN150 | 471-706 |
| Sr175 | 19.65-38.67 | 11-75 | DN175 | 601-1090 |
| Sr200 | 27.65-57.14 | 15-90 | DN200 | 975-1490 |
? Accessories include
Universal base, belt cover, fan pulley, motor pulley, V-belt, safety valve, pressure gauge, air inlet silencer, air outlet silencer, anchor bolt, check valve, elastic joint, gear oil. ? application area
It is widely used in sewage treatment, aquaculture, pneumatic conveying, vacuum packaging, coal washing, combustion support, pressurization, casting, mining, metallurgy, chemical industry, light industry, building materials, power, flour, sand blasting, vacuum, etc. ? Factory photo Actual picture of XQSSR-350 three blade roots blower factory
? Ordering Instructions When you need to purchase a blower, please tell us the following items in detail:
1. Use of blower: sewage treatment, aquaculture, pneumatic conveying, etc
2. Fan specifications: caliber, required air volume, pressure rise, etc
3. Transmission medium: air, gas, biogas and other corrosive gases
4. Equipment requirements: form, cycle number, voltage, single-phase or three-phase
5. Equipment service conditions: indoor or outdoor, ambient temperature
6. Fan accessories
7. Fan color (with or without specified color
8. Note: the allowable range of specified flow and pressure rise (vacuum degree) is ± 5%
