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17. Regular Spot Check
Regular self-checking of small pressure container
Check procedure
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①
When manually turn the drain valve and solenoid exhaust vale, confirm no looseness and
no waterdrops adhering at the installing part.
●If manually turn and waterdrops adhered, it might be loose, please increase torque and
tighten it.
②
When using wrench to rotate lightly to right, the nuts of connection part are not loose, and
no waterdrops adhering around.
●If manually turn and waterdrops adhered, it might be loose, please increase torque and
tighten it.
③
Confirm no damage and adhering waterdrops on pipes.
●If detect damage, or especially waterdrops adhering at pipe connector, please replace
the pipe in time.
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Pressure gauge and safety valve
According to the provisions of the local safety administration, deliver to related department to
check on time.
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Use the follwing measures to confirm the temp. accuracy.
①
Set the calibrated temp. sensor (with recording gauge) or stationary point themometer
near the chamber temp. sensor, conduct unloaded sterilize operation (setting: 135
℃
), and
compare the chamber temp. displayed by this unit with the calibrated themometer. When
displaying 135
℃
, the themometer
’
s should be within 135
~
137
℃
. In addition, when
setting the temp. sensor, etc., please use optional connector (R1/4 screws).
②
During sterilizing, compare the sterilize pressure with the temp.. When the atmosphere
pressure is 1013hPa, the relationship between the chamber temp. and saturation pressure
is as below:
115
℃
・・・
0.068MPa
,
133
℃
・・・
0.187MPa
121
℃
・・・
0.104MPa
,
134
℃
・・・
0.202MPa
126
℃
・・・
0.138MPa
,
135
℃
・・・
0.210MPa
131
℃
・・・
0.170MPa
,
136
℃
・・・
0.221MPa
132
℃
・・・
0.171MPa
,
137
℃
・・・
0.231MPa