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Temperature Regulator
OB-1,1G
Direct acting type
Pilot operated type
Bellows
Diaphragm
Soft seat
Features
1. Easy plumbing due to union type connection screw.
2. No need for adjusting tool due to the attached adjusting
handle, making adjustment easy.
3. Double valve structure offers larger flow late than single
valve type.
4. Excellent accuracy since special packing is used for spindle
gland packing which affects opening/closing operation of
the valve.
5. The OB-1G ensures distinguished temperature resistance
due to external pressure type bellows.
Specifications
Model
Application
Maximum
pressure
Max. temperature
13
Temperature
adjusting range
Ambient temperature
Material
Valve spindle
Thermal bulb
Standard capillary length
Connection
* Valve seat leakage: Refer to P. -43.
· If the ambient temperature is higher than the set temperature or less than 40˚C, use the OB-1G (with external pressure
type bellows).
· Available with capillary of up to 5 meter. (Please refer to P. -46 for errors of set temperature).
· Available with temperature adjusting range of 30˚C. (For OB-1 only).
· Available with thermal well (SUS304 made or with a PTFE cap) for liquid.
-17
13
Heating
Cooling
Single valve
Double valve
Heating
Heated
Body
Thermal bulb
For liquid
For air
Set temperature –10°C or less
Body
Valve
Bellows
OB-1
Steam, Hot water
Cold and hot water, Oil, Non-dangerous fluids
0.7 MPa
1.0 MPa
180°C
40-120°C
40-120°C
Cast bronze
Phosphor bronze
Stainless steel
Phosphor bronze
Stainless steel
JIS Rc screwed (union joint)
www.yoshitake.jp
OB-1G
15-100°C
15-100°C
Set temperature +30°C or less
2 m
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