- Adjusting handle enables easy setting
- Double valve structure for large capacity
- External pressurized bellows is high tolerant to temperature
Japan, Yoshitake
YOSHITAKE OB-4G Temperature Regulator

Made in Japan
Manufacturer: Yoshitake
Model: OB-4G
Specifications
| Features | For cooling, external pressure bellows | |
|---|---|---|
| Type | External pressure bellows type | |
| Specifications | Product type | For cooling |
| Nominal size | 15A (1/2″) – 125A (5″) | |
| Application | Water, refrigerant | |
| End connection | JIS 10K FF flanged | |
| Max. pressure | 0.7 MPa (*Depends on the nominal size) | |
| Working temperature | Max. 180 degree(C) | |
| Temperature regulating range | 15-35 degree(C), 20-40 degree(C), 35-55 degree(C), 40-60 degree(C), 50-70 degree(C), 60-80 degree(C), 70-90 degree(C), 80-100 degree(C) | |
| Capillary length | 15-80A: 2m, 100-125A: 3m | |
| Material | Body | Cast iron |
| Valve | Bronze | |
| Thermal bulb | Stainless steel | |
Dimensions and Weights
| Size | L (mm) | H (mm) | Weight (kg) |
|---|---|---|---|
| 15A(1/2) | 126 | 520 | 15 |
| 20A(3/4) | 130 | 520 | 16 |
| 25A(1) | 140 | 540 | 18 |
| 32A(1 1/4) | 150 | 550 | 21 |
| 40A(1 1/2) | 160 | 550 | 23 |
| 50A(2) | 180 | 620 | 29 |
| 65A(2 1/2) | 215 | 650 | 38 |
| 80A(3) | 260 | 670 | 48 |
| 100A(4) | 300 | 750 | 58 |
| 125A(5) | 360 | 810 | 76 |
About flow rate
Selection data:

Dimensional drawing












