JUMO EM Series User Manual

19
4 Mounting
4.4 Permissible pressure at the thermowell
4.4.1 Thermowells 20, 22/23, 40, and 41/42
CAUTION!
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.
Steel thermowells 22, 23, 32, 41, 42 and 45
Permissible incident flow velocity [m/s] at the maximum permissible pressure loading and differ-
ent immersion tube length "S"
Material
Pipe St38.8 I
Screw-in nipple up to 300 °C Steel 1.0038
Weld-in nipple Steel 1.5415
Temperature in °C Pipe diameter
8×0.75mm
or conical
Pipe diameter
10 × 0.75 mm
Pipe diameter
15 × 0.75 mm
Maximum permissible pressure in bar
100 89 72 48
150 83 67 45
200 78 63 42
300 59 47 32
350 50 40 27
Material St38.8 I
Temperature 200 °C
Heat transfer Air, water, oil
Pipe diameter D 8 mm _______
10 mm - - - - - - -
15 mm ...............
(1) Air
(2) Water, oil
(1)
(2)
m/sec
(S) mm

JUMO EM Series Specifications

General

Housing Material	Plastic
Temperature Range	-50 to 400°C
Display	LCD
Power Supply	24 V AC/DC
Output	Relay, Analog
Input	Analog
Control Mode	PID, On/Off