Made in Japan
Manufacturer: Yoshitake
Model: OB-31
- Small and compact, but accurate control
- PTFE/Stainless valve & seat enables long durability.

Made in Japan
Manufacturer: Yoshitake
Model: OB-31
| Features | For cooling, small and compact | |
|---|---|---|
| Type | External pressure bellows type | |
| Specifications | Product type | For cooling |
| Nominal size | 15A (1/2″) – 25A (1″) | |
| Application | Water, refrigerant | |
| End connection | JIS Rc screwed | |
| Max. pressure | 1.7 MPa | |
| Working temperature | Max. 185 degree(C) | |
| Temperature regulating range | 0-35 degree(C), 25-70 degree(C), 40-100 degree(C), 60-130 degree(C), 70-150 degree(C) | |
| Capillary length | 2m | |
| Material | Body | Bronze |
| Valve disc | PTFE | |
| Thermal bulb | Stainless steel | |
* Standard capacity length is 2m. 3m or 5m options are available.
| Size | L (mm) | H (mm) | Weight (kg) |
|---|---|---|---|
| 15A(1/2) | 75 | 318.5 | 2.7 |
| 20A(3/4) | 80 | 318.5 | 2.8 |
| 25A(1) | 90 | 318.5 | 3 |
About flow rate


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