- Adjusting handle enables easy setting
- Double valve structure for capacity
Japan, Yoshitake
YOSHITAKE OB-2 Temperature Regulator
Made in Japan
Manufacturer: Yoshitake
Model: OB-2
Specifications
| Features | For heating, flanged | |
|---|---|---|
| Type | Internal pressure bellows type | |
| Specifications | Product type | For heating |
| Nominal size | 15A (1/2″) – 150A (6″) | |
| Application | Steam, hot water | |
| 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 | 40-60 degree(C), 60-80 degree(C), 80-100 degree(C), 100-120 degree(C) | |
| Capillary length | 15-80A: 2m, 100-150A: 3m | |
| Material | Body | Cast iron |
| Valve | Bronze | |
| Thermal bulb | Stainless steel | |
Remarks
* Max. pressure
[15A-40A] 0.7MPa
[50A-65A] 0.5MPa
[80A-100A] 0.4MPa
[125A-150A] 0.2MPa
* Capillary length up to 5m is available as option.
* Valve, Valve seat Stainless steel option is available.
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 |
| 150A(6) | 382 | 980 | 125 |
About flow rate
Selection data：
How to use the chart
When selecting the nominal size of a temperature regulator whose inlet pressure (Pi), outlet pressure (P2), and steam flow rate are 0.3 MPa. 0.25 MPa. and 60 kg/h, respectively, first find intersection point (a) of the inlet pressure of 0.3 MPa and the outlet pressure of 0.25 MPa. Trace down vertically from this intersection point (a) to find intersection point (b) with the flow rate of 60 kg/h.
Since this intersection point (b) lies between nominal sizes 15A or 20A and 25A. select the larger one, 25A
Chart of the flow rate is a reference value
Dimensional drawing
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