KDB-GOM
Series
- 17 -
4.6 Expansion Tank
NO. Part Name Material Remarks
1 Body SBHG1 , 2.0t
2 Bracket SBHG1 , 2.0t
3 Diaphragm BUTYL , 2.0t
4 Nipple S10C , PF3/8”
Item KDB – 161 / 201GOM KDB – 251 / 301GOM
Volume
6.5 Liter 8.5 Liter
Body Material
SBHG 1
Charging Gas
Nitrogen
Charging Pressure
1.0 kg/cm
2
(14.2 psig)
Function
y Vent the generated air in the heating pipe.
y Absorbs pressure generated in the pipe by the expansion of heating water due to
increasing temperature of heating water.
y Maintain the water volume in the boiler at a constant by low water level sensor.
Nitrogen gas
Charging point
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