WIKA 32 Manual De Instrucciones página 18

5. Commissioning, operation
5.3.3 Fixing via the connection design (option)
Design 3, union nut
The standard version of the machine glass thermometer is design
E (male thread) This has a male thread which is available in
EN
various thread types. With design 3 (union nut), the stems have a
union nut with corresponding female thread. The stem length and
thread types are already designed for use with thermowells.
The preceding mounting instructions are illustrated with design
E (male thread). The mounting of instruments with design 3
(union nut) is carried out with the same mounting steps. The only
difference is that, instead of the male thread, a corresponding
thermowell is built in to the plant or machinery.
Design E (male thread)
straight 90° angle 135° angle
18 WIKA operating instructions model 32