11
APV_DKR2_DE-9_032019.indd
Double Seat Ball Valve
DELTA DKR 2
Instruction Manual: UK - rev. 9
APV
UK
9. Technical Data
10. Materials
-housing, valve ball, shafts
1.4404 (DIN EN 10088)
-ball seal
PTFE
-flange seal
standard:
EPDM
option:
HNBR, FPM, VMQ
-housing seal
standard :
EPDM
option:
HNBR, FPM
-O-rings
FPM, NBR
actuator
-yoke, actuator
1.4301 (DIN EN 10088)
-coupling
1.4301 / 1.4308
or
1.4057 / 1.4059
(DIN EN 10088)
-indicator
PE-solid
-piston
Polyacatal POM
-spindle bearing
Polyamide PA 12
-air connection
Polyamide PA 6.6
DN Inch 25 1“
40
1,5“
50 2“ 65 2,5“
80
3“
100 4“
125
9.3. max. tightening torque in Nm
(M)
10
15
22
25
40
65
95
9.4. operating leakage at about 5 bar
in l (opening and closing process)
(Qs)
0,7
1,2
1,4
2,0
4,0
4,2
6,0
9.5. operating leakage at about 5 bar
in l with operating leakage reducer
(Qs)
0,4
0,7
0,8
1,2
2,4
2,5
3,6
9.6. pneumatic air consumption at
6 bar NL
(V)
1,8
1,8
1,8
2,8
5,5
5,5
5,5
