GEA Aseptomag ADV, Инструкция по эксплуатации

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Fig.49: Tight the nut for the valve disc
! After fitting a new TEFASEP valve seat seal, the valve may not be tight. The
valve seat seal will adjust itself optimally to the sealing surfaces only after the
first sterilisation of the valve (see Chapter 9, Page 30). Afterwards it will
ensure perfect sealing up to the maximum closing pressure or vacuum.
®
The valve seat seal has been fitted.
10.9.3 Torques for divisible valve discs
Valve size
Thread size of valve
disc
Torque [Nm]
DN25 M10 x 1.25 50
DN40 M10 x 1.25 50
DN50 M12 x 1.25 60
DN65 M12 x 1.25 60
DN80 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
Maintenance
Carrying out the “Internal Assembly” Leak Test (Bubble Test)
430BAL012841EN_1
50 07.03.2018