10.9.3 Torques for Divisible Valve discs
Valve size
Thread size of valve
disc
Torque [Nm]
DN15
M6
9
DN25
M8 x 1
20
DN40
M10 x 1.25
50
DN50
M12 x 1.25
60
DN65
M12 x 1.25
60
DN80
M12 x 1.25
60
DN100
M12 x 1.25
60
10.10
Carrying out the “Internal Assembly” Leak Test (Bubble Test)
Hint!
Observe the inspection interval! The metal bellows must be checked
for leaks as part of the annual maintenance using the pressurizing
tool.
Tools required:
•
Pressurizing tool
•
Compressed air supply
•
Shut-off valve Ø 6 mm
•
Pressure regulating valve Ø 6 mm
•
Water bath
Carry out the following steps:
1.
Insert the internal assembly with the T-slot of the valve spindle of the removed
internal assembly into the pressurizing tool.
Fig.41:
Hook in the internal assembly
2.
Place the clamping arms of the pressurizing tool around the valve cap.
Maintenance
Carrying out the “Internal Assembly” Leak Test (Bubble Test)
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Summary of Contents for Aseptomag GD
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