WIKA IV10 Operating Instructions Manual page 25

9. Specifications
Operating conditions
Sealing material
PTFE
Graphite
Sealing material
PTFE
Graphite
The minimum design temperature is -54 °C (-65 °F).
For permanently low operating temperatures of ≤ -54 °C (≤ -65 °F), a
special design is required.
The following diagram must be used to ensure that the permissible
pressure-temperature rating is met during operation depending on the
sealing material used.
For further specifications see data sheets AC 09.19, AC 09.21,
AC 09.23.
WIKA operating instructions, shut-off valves and valve manifolds
Max. permissible operating pressure in bar
at temperature in °C
689 bar at 38 °C
276 bar at 204 °C
420 bar at 38 °C
209 bar at 538 °C
Max. permissible operating pressure in psi
at temperature in °F
10,000 psi at 100 °F
4,000 psi at 400 °F
6,000 psi at 100 °F
3,030 psi at 1,000 °F
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