WIKA 32 Mode D'emploi page 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