18
APV_DKR2_DE-9_032019.indd
Double Seat Ball Valve
DELTA DKR 2
Instruction Manual: UK - rev. 9
APV
UK
13. Service Instructions
D
C
4
3
1
2
C
B
E
D
A
13.2.1. Installation of leakage drain
1.
Slightly grease O-ring (4) in the leakage drain.
2.
Remove the two hexagon screws (A) and push the leakage
connection (E) over the shaft pivot (B) against the shaft bearing (C).
!!! Do not use grease containing mineral oil for EPDM seals!!!
3.
With DN 25 to 65 tighten the shaft bearing (C) together with the
leakage connection at the housing flange (D) by the hexagon
screws (A).
4.
With DN 80 to 125 use the hexagon screws (2) supplied with the
leakage connection for fastening purposes.
5.
As shown in the illustration, the leakage drain can be designed with
weld end, optionally with round thread or other connections.
13.2. Leakage connection (drain) for DKR ball valve
If the valve is not dismantled from the pipeline for the installation
of the leakage drain, it must be guaranteed that the corresponding
pipeline is depressurized!
leakage connection compl.
DN, Inch
ref.-No.
ID-No.
25 - 65, 1“ - 2,5“
16-37-020/59
H112046
80 - 125, 3“ - 4“
with 2 spare screws
16-37-024/59
H132625
single parts
ref.-No.
ID-No.
DN, Inch
25 - 65; 1“ - 2,5“
pos. 1
16-37-020/47
H112045
80 - 125; 3“, 4“
pos. 1
16-37-024/47
H132490
80 - 125; 3“, 4“
pos. 2
65-01-132/15
H78809
25 - 125; 1“ - 4“
pos. 3
08-39-079/93
H14879
25 - 125; 1“ - 4“
pos. 4
58-06-078/83
H76943
!
