JUMO 60.5051 Explosion-protected surface-mounting thermostat, ATH-EXx Operating Manual - Manual (Page 11)

11
3 Mounting
3.5 Permissible operating conditions at the pocket
3.5.1 Probe mountings 20 and 22
3.5.1.1 Steel pockets
Materials Tube: St 35.8 I
Weld-in nipple: 16 Mo 3 (no turned groove)
Loading
The values given below refer to the maximum loading on the probe mounting
concerned. The maximum pressure which can be sealed depends on the
mounting conditions and may possibly be lower.
Temperature Tube diameter
8 x 0.75 mm or
conical
10 x 0.75 mm 15 x 0.75 mm
max. permissible
pressure
max. permissi-
ble pressure
max. permissi-
ble pressure
100°C 89 bar 72 bar 48 bar
150°C 83 bar 67 bar 45 bar
200°C 78 bar 63 bar 42 bar
300°C 59 bar 47 bar 32 bar
400°C 46 bar 37 bar 25 bar
450°C 24 bar 19 bar 13 bar
With operating temperatures above 420°C, the permissible operating time is
limited to 200,000 hours. TRD 508 must be observed in this respect.