21
APV_SD4_ATEX_UK-0_122018.indd
UK
Double seal valve
DELTA SD4-ATEX
Instruction Manual: UK - rev. 0
APV
12. ServiceInstructions-Leakagevalves
12.1. Maintenanceofleakagevalves
The item numbers refer to the corresponding spare parts list
leakage valves SD4 RN:01.054.67
1. Disconnect the pneumatic air hoses at the two leakage valves.
2. Shut off and discharge the CIP supply line.
3. Remove the CIP supply and discharge lines from the leakage
valves.
4. Release the hexagon socket screw and remove the strap. Pull the
leakage valves out of the housing flange.
5. Pull out the cap (3), piston (2) and spring (6).
6. Dismantle all seals (5,7,8).
7. The assembly is undertaken in reverse order.
43
7 8
spacer
strap
hexagon socket
screw
Support for leakage valves
5
6 2