APV SPX DELTA DKR2, Operating Manual

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8
8. Materials
Double-Seat Ball Valve with Cleaning Connection
DELTA DKR 2
Operating Manual : Rev. 7
UK
- housing, valve ball, shafts 1.4404
- 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
- coupling 1.4301 / 1.4308
or 1.4057 / 1.4059
- indicator PE-solid
- piston Polyacatal POM
- spindle bearing Polyamide PA 12
- air connection Polyamide PA 6.6
9. Technical Data
- max. line pressure : 10 bar
- max. operating temperatures : 135
o
C EPDM,HNBR
*FPM, *VMQ
- short-term load : 140
o
C EPDM, HNBR
*FPM, *VMQ
* no steam
- throughput cleaning at
3 bar admission pressure
: about 5 - 10 l/min.
- turning actuator
max. control pressure
: 10 bar
min. control pressure : 6 bar
turning angle : 90
o
- air connection (for hose) : 6 x 1
(Use dry and clean air, only.)