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· Sensor
Heated fluid
Cooled fluid
Maximum pressure
Thermal bulb
Material
Capillary
Capillary tube
Standard capillary length
Connection
· Available with thermal well (stainless steel made). Please refer to P. -37.
* In the case of attached to thermal bulb, the bush of thermal bulb will be
unnecessary. Please refer to P. -36.
· Available with capillary of 3 or 5 meter.
Temperature Adjusting Range
Temperature adjusting range (°C)
0-35
25-70
40-100
60-130
70-150
* The term "withstand temperature" means the temperature from
pressure resistance of the bellows.
* The maximum temperature of the thermal bulb for cooling is
100˚C.
Dimensions (mm) and Weights (kg)
· Body (OB-30·31)
Nominal size
d
15A
Rc 1/2
20A
Rc 3/4
25A
Rc 1
· Body (OB-30U·31U)
Nominal size
d
15A
Rc 1/2
20A
Rc 3/4
25A
Rc 1
· Sensor (Common to OB-30·31·30U·31U)
Capillary length
Weight
Cold and hot water, Oil, Liquid
1.0 MPa
Copper pipe (nickel chrome plated) *
Copper pipe
Stainless steel
2 m
JIS Rc screwed
Withstand temperature (°C)
75
110
140
170
190
OB-30·31
L
Body weight
75
2.1
80
2.2
90
2.4
OB-30U·31U
L
Body weight
160
3.1
160
3.1
160
3.1
2 m
0.6 kg
www.yoshitake.jp
OB-30, 30U, 31, 31U
R 1/2
OB-30
R 1/2
OB-31U
13
-12
13
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