Characteristics
The main body is a cast-iron blower having 2 impellers. The impellers are connected directly to the extended-spindle motor. This mitigates vibrations, down-sizes the motor, and makes installation easy.
Specifications / Shape dimension
Specifications
| Accessories | Rubber Joint Rubber Joint Suction filter Antivibration Rubber |
| Type | Air Quan （m3/min） |
St.Pres （kPa） |
Motor （kW） |
Connection （JIS5K） |
min-1 | Mass (kg) |
||||||||
| 50Hz | 60Hz | 50Hz | 60Hz | 50Hz | 60Hz | |||||||||
| WTB-2S | 3 | 3 | 6.0 | 6.0 | 1.0 | 50A | 2885 | 3455 | 117 | |||||
| WTB-3S | 5 | 6 | 6.0 | 6.0 | 1.5 | 80A | 2890 | 3460 | 128 | |||||
| WTB-4S | 10 | 10 | 6.0 | 6.5 | 2.2 | 100A | 2875 | 3445 | 145 | |||||
| WTB-5S | 16 | 16 | 6.5 | 6.5 | 3.7 | 125A | 2910 | 3490 | 196 | |||||
| WTB-6S | 25 | 25 | 6.5 | 6.5 | 5.5 | 150A | 2920 | 3500 | 252 | |||||
| WTB-8S | 36 | 36 | 6.5 | 6.5 | 7.5 | 200A | 2920 | 3505 | 282 | |||||
| WTB-10S | 50 | 50 | 6.0 | 7.0 | 11.0 | 250A | 2940 | 3520 | 350 | |||||
| WTB-12S | 70 | 75 | 7.0 | 6.5 | 15.0 | 300A | 2940 | 3525 | 474 | |||||
| WTB-12SH | 80 | 80 | 7.0 | 7.0 | 18.5 | 300A | 2940 | 3525 | 490 | |||||
| WTB-12SHH | 90 | 95 | 7.0 | 7.0 | 22.0 | 300A | 2960 | 3550 | 555 | |||||
※ This air flow rate data were obtained when the delivery air temperature was at 20℃ .
| Type | Power(kW) | Rated current (A) | |||||
| 50Hz | 60Hz | ||||||
| WTB-2S | 1.0 | 4.2 | 4.2 | ||||
| WTB-3S | 1.5 | 6.2 | 6.2 | ||||
| WTB-4S | 2.2 | 9.2 | 9.0 | ||||
| WTB-5S | 3.7 | 14.4 | 14.2 | ||||
| WTB-6S | 5.5 | 21.4 | 21.0 | ||||
| WTB-8S | 7.5 | 29.8 | 28.6 | ||||
| WTB-10S | 11.0 | 44.0 | 43.0 | ||||
| WTB-12S | 15.0 | 58.8 | 56.8 | ||||
| WTB-12SH | 18.5 | 72.4 | 71.0 | ||||
| WTB-12SHH | 22.0 | 85.6 | 82.8 | ||||
Dimension
| Type | A | B | C | D | E | F | G | H | |||||
| WTB-2S | 706 | 480 | 360 | 116 | 300 | 240 | 38 | 775 | |||||
| WTB-3S | 759 | 520 | 400 | 136 | 320 | 260 | 35 | 790 | |||||
| WTB-4S | 823 | 570 | 450 | 146 | 320 | 260 | 30 | 800 | |||||
| WTB-5S | 865 | 592 | 490 | 190 | 374 | 320 | 40 | 844 | |||||
| WTB-6S | 939 | 645 | 540 | 205 | 420 | 360 | 37 | 944 | |||||
| WTB-8S | 976 | 712 | 600 | 224 | 460 | 400 | 40 | 949 | |||||
| WTB-10S | 981 | 712 | 600 | 224 | 460 | 400 | 40 | 949 | |||||
| WTB-12S | 1095 | 840 | 720 | 300 | 540 | 480 | 52 | 1097 | |||||
| WTB-12SH | 1095 | 840 | 720 | 300 | 540 | 480 | 52 | 1097 | |||||
| WTB-12SHH | 1095 | 840 | 720 | 300 | 540 | 480 | 52 | 1097 | |||||
| Type | J | K | L | M | N | P | Q | R | |||||||
| WTB-2S | 641 | 294 | 236 | 543 | 483 | 104 | 4-φ15 | 14 | |||||||
| WTB-3S | 664 | 300 | 241 | 559 | 500 | 128 | 4-φ15 | 9 | |||||||
| WTB-4S | 688 | 301 | 264 | 597 | 560 | 157 | 4-φ15 | 9 | |||||||
| WTB-5S | 744 | 328 | 290 | 635 | 597 | 200 | 6-φ19 | 9 | |||||||
| WTB-6S | 807 | 373 | 351 | 725 | 703 | 228 | 6-φ19 | 9 | |||||||
| WTB-8S | 824 | 371 | 349 | 738 | 716 | 290 | 6-φ19 | 12 | |||||||
| WTB-10S | 824 | 422 | 400 | 932 | 910 | 345 | 12-φ23 | 22 | |||||||
| WTB-12S | 995 | 515 | 476 | 1030 | 991 | 390 | 12-φ23 | 22 | |||||||
| WTB-12SH | 995 | 515 | 476 | 1064 | 1025 | 390 | 12-φ23 | 22 | |||||||
| WTB-12SHH | 995 | 515 | 476 | 1101 | 1062 | 390 | 12-φ23 | 22 | |||||||
Download of DXF data
※ Download procedure
- Put the cursor on the model designation of the outline drawing you want to download, and click the right button of the mouse.
- Select “Save Target As (A)” on the menu.
- Select a location to save, and click “Save.”
※ Some security software does not permit downloading. If that happens, set the securities to “OFF” before downloading.
Bearing・Oil seal
●For IE3
| Motor（kW） | Load side bearing | Anti-load side bearing | Oil seal |
| 1.0 | 6205UUC3 | 6205ZZC3 | S25408A |
| 1.5 | 6206UUC3 | 6205ZZC3 | S30458A |
| 2.2 | 6207UUC3 | 6205ZZC3 | S35508A |
| 3.7 | 6208UUC3 | 6206ZZC3 | S406211A |
| 5.5 | 6308UUC3 | 6208ZZC3 | S406211A |
| 7.5 | 6308UUC3 | 6208ZZC3 | S406211A |
| 11.0 | 6310UUC3 | 6208ZZC3 | S507212A |
| 15.0 | 6310UUC3 | 6208ZZC3 | S507212A |
| 18.5 | 6310UUC3 | 6208ZZC3 | S507212A |
| 22.0 | 6212UUC3 | AC6310ZZC3 | S608212A |
●For IE1
| Motor（kW） | Load side bearing | Anti-load side bearing | Oil seal |
| 1.0 | 6205UU | 6304ZZ | S25408A |
| 1.5 | 6206UU | 6304ZZ | S30458A |
| 2.2 | 6207UU | 6304ZZ | S35508A |
| 3.7 | 6208UU | 6305ZZ | S406211A |
| 5.5 | 6308UU | 6306ZZ | S406211A |
| 7.5 | 6308UU | 6306ZZ | S406211A |
| 11.0 | 6310UUC3 | 6208ZZ | S507212A |
| 15.0 | 6310UUC3 | 6208ZZ | S507212A |
| 18.5 | 6310UUC3 | 6208ZZ | S507212A |
| 22.0 | 6212UUC3 | AC6210ZZC3 | S507212A |
Moter
- Since the flange-type specially-extended-shaft totally-enclosed fan-cooled motor is used, any general-purpose motor cannot be used.
- For 4 types of 1.0kW, 1.5kW, 2.2kW and 3.7kW, start up in the full-voltage starting mode.
- For S types of 5.5kW, 7.5kW 11kW, 15kW, 18.5kW and 22kW,start up in either mode of full-voltage starting or star delta starting.
- The standard products of F type is insulated. Use them within the ambient temperature range between 40℃ and 45℃ .
- The special voltage type or the outdoor installation type are also available as special types.
Delivery Directions
Available delivery directions and their sequential numbers as viewed from the motor.
Unless otherwise specified, the blower will be supplied with its delivery direction set at No.1.