Burkert Type 2300 - Manual (Page 33)

33
Maintenance, cleaning
1
2
Pilot air port
Fig. 27: Connections
Tightening torques of valve body / nipples
DN
Tightening torques [Nm]
15 45 ±3
20 50 ±3
25 60 ±3
32
65 ±3
40
50
70 ±3
65 100 ±3
Tab. 17: Tightening torques of valve body / nipples
If the position of the pilot air ports for installation of the
hoses is unfavorable, these can be aligned steplessly by
rotating the actuator through 360°.
The procedure is described in the chapter entitled “8.3.4.
Rotating the actuator”.
10.3.2. Replacing the packing gland
The seal set for the packing gland contains
SP10 / SP14
SP10
SP14
• 1 support ring
• 5 chevron seals
• 2 or 3 pressure rings
12)
• 1 pressure spring
• 1 graphite seal
• Lubricant
SP22
• 1 support ring
• 7 chevron seals
• 2 pressure rings
• 1 pressure spring
• 1 spacer
• 1 graphite seal
• Lubricant
Tab. 18: Seal set for packing gland
12)
depending on the spindle diameter (10 or 14 mm)
english
Type 2300