Operating Manual
Double Seal Valve
75100 / 75200
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2011-05-31
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4. Function and Operation
4.1 Valve Description
Double seal valves separate different media
from each other safely. A leakage radial groove
in the valve disk prevents possible mixing.
The
valve types 75100 / 75200
are characterised by:
a closed valve design
solid single-compartment or double-compartment
ball housing
valve disk with doubled seat sealing
safety against leakages
leakage radial groove with leakage valve
leakage chamber rinsing for optional rinsing valve
safe shut-off function and media separation
low-loss switching process
1 Valve
actuator
2 Valve
rod
3
Housing bushing (upper)
4 Housing
5
Housing bushing (lower)
6
Valve disk with leakage radial groove
7
Leakage and rinsing valve
8 Housing
clips
10 Seat
sealings
11 Valve piston seals
12 Housing
seals
13 O-ring
seal
14 Profile seal (leakage, rinsing valve)
Type 75200
10
11
11
12
12
13
14
3
2
4
8
7
6
5
8
1
