Operating instructions

Personnel:
n
Technical personnel
CAUTION!
Warning of personal injury and material damage
Feed chemical may escape from the liquid end, for example,
if ball valves not repaired correctly.
– Only use new components which fit your valve - both in
terms of shape and chemical resistance!
– Pay attention to the flow direction of the discharge and
suction connectors when fitting the valve.
1. Unscrew the valve from the liquid end.
2. Screw the valve cap (5) on its suction side - see diagram.
3. Carefully remove the parts from the valve body (2).
4. Replace the worn parts.
5. Clean the remaining parts.
6. Check all parts.
7. Insert the valve ball (3 and the valve seat (4).
8. Screw on the valve cap (5).
1
2
3
4
5
P_SI_0013_SW
Fig. 24: Simple cross-section through ball valve
1 Flat seal
2 Valve body
3 Valve ball
4 Valve seat
5 Valve cap
Repairing ball valves
Repairs
35