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Product
Rotary Vane Blower--SD Type
No. 1 Japanese rotary vane blower -- Four million units shipment
Compact
long seller acknowledged as High reliability and Easy of use.
SD Type rotary vane blowers are very long selling authentic compact products.
They are widely used such as aeration unit for on-site wastewater treatment
system, or for spray device for a combustion unit. Its reliability has
been highly appreciated in the market.
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- Unique oiling system that hardly run out lubricating oil in one or two years
continuous operation
- Equipped with a check valve to prevent a trouble caused by back water from a tank
- Built-in Safety-relief valve sounds an alarm to prevent motor burnout, when the motor is overloaded by clogging of pipes or diffuser tube.
- Has an auto-stop function (manual reset) to prevent motor burnout
- Has great durability. Air pressure and flow rate will not change in a long time operation.
- Motor and blower can be separated. Therefore it is flexible for modification to meet the requirements.
- Aeration for on-site wastewater treatment
- Spraying for fuel oil and kerosene oil burners
- Aeration for fish farm
- Agitation in plating tanks or water tanks
- Air curtain
| Model No. |
Dia. of outlet |
Motor power |
F (Hz) |
Blower RPM |
Air flow rate (m3/min) |
Approx. weight (Kg) |
| 0.01MPa |
0.02MPa |
0.03MPa |
| SD-120s |
1/2" |
150W |
50 |
480 |
0.124 |
0.120 |
0.114 |
25.0 |
| 60 |
480 |
0.124 |
0.120 |
0.114 |
| SD-120 |
3/4" |
150W |
50 |
480 |
0.124 |
0.120 |
0.114 |
29.5 |
| 60 |
480 |
0.124 |
0.120 |
0.114 |
| SD-150s |
3/4" |
200W |
50 |
600 |
0.156 |
0.150 |
0.145 |
30.0 |
| 60 |
600 |
0.156 |
0.150 |
0.145 |
| SD-200s |
3/4" |
250W |
50 |
600 |
0.205 |
0.200 |
0.195 |
34.0 |
| 60 |
600 |
0.205 |
0.200 |
0.195 |
| Parts name and dimensions |
| Advantages of Tohin Rotary Vane Blower |
- Compact, powerful air flowrate and yet silent operating sound
- Very little vibration and easy installation
- Strong against pressure change in a tank
- Smooth outlet by air-chamber unit
- Heavy duty to keep high performance
- Superior cost performance
Tohin rotary vane blower mainly consists of components such as Blower body
(cylinder), Motor, Air chamber, Air filter, Base (with oil tank), and Oil
dropping nozzle. This simple structure contributes very long life and trouble-free
operation.
The rotor, which has four pieces of vane moving in-and-out repeatedly,
eccentrically rotates in the cylinder to intake, compress, and discharge
air. This is the basic mechanism of the blower.
While running the machine, lubricating oil keeps circulating and continuously
supplied to the cylinder through the oil dropping joint. The oil works
not only to decrease operation sound and friction heat, but also to keep
high airtightness in the cylinder.
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