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13
-14
Temperature Regulator
13
T
emperatur
e Regulator
OB-2000
Direct acting type
Bellows
Soft seat
Pilot operated type
Diaphragm
Heating
Single valve
Cooling
Double valve
OB-2000 Flanged type
OB-2000 Screwed type
Features
1. Large capacity.
2. Excellent sealability ensured by the spherical valve.
3. Wide temperature adjusting range. The thermal bulb can be installed in any direction.
4. Since the body and the thermal bulb are easy to attach and detach, they can be replaced easily for thermal
specification change.
Specifications
Model
OB-2000
Application
Heating
Steam
Heated
Cold and hot water, Oil, Non-dangerous fluids
Maximum
Pressure
Body
2.0 MPa *1
Thermal bulb
1.0 MPa
Minimum differential pressure
0.05 MPa
Max. temperature
220°C
Temperature adjusting range
-8 - 183°C
Valve seat leakage
0.01% or less of rated flow rate
Material
Body
Ductile cast Iron (FCD450)
Main valve, valve seat
Stainless steel
Diaphragm
Stainless steel
Pilot valve
Stainless steel
Pilot valve seat
Stainless steel
Thermal bulb
Copper pipe (nickel chrome plated) *2
Standard capillary length
2 m
Connection
JIS Rc screwed
JIS 10K FF, 20K RF flanged
*1 Maximum pressure of JIS 10K FF flanged is 1.0 MPa.
· Available with thermal well (stainless steel made). Please refer to P. -41.
· Available with capillary of 3 or 5 meter.
*2 In the case of attached to spring chamber, the bush of thermal bulb will
be unnecessary. Please refer to P. -40.
· Available with NPT or BSPT screwed.
· Available with ASME or EN flanged.
Temperature Adjusting Range
Temperature adjusting
range (°C)
Withstand
temperature (°C)
-8-15
35
10-36
56
30-62
82
55-94
114
80-127
147
115-183
203
· The term “withstand temperature” means
the temperature from pressure resistance
of the bellows.
