Burkert 2301 - Page 36

36
Maintenance, cleaning
1
2
Pilot air port
Pilot air port
Fig.22: Ports
Tightening torques valve body/nipple
DN Tightening torque [Nm]
10/15 45±3
20
50±3
25 60±3
32
65±3
40
50 70±3
65 100±3
80 120±5
100 150±5
Tab. 14: Tighteningtorquesvalvebody/nipple
Ifthepositionofthepilotairportsisunfavourablefor
installingthehoses,thesecanbeseamlesslyalignedby
rotatingtheactuatorby360°.
Theprocedureisdescribedinchapter“8.3.4 Turning
actuator”.
10.3.3 Replacing the packing gland
Thesealsetforthepackingglandincludes
SP10/SP14
SP10
SP14
• 1supportring
• 5chevronseals
• 2or3thrustcollars
13)
• 1compressionspring
• 1seal
• Lubricant
SP22
• 1supportring
• 7chevronseals
• 2thrustcollars
• 1compressionspring
• 1spacer
• 1seal
• Lubricant
Fig.23: Sealsetforpackinggland
7) dependingonspindlediameter(10or14mm)
Type2301
English