11325232.05 09/2016 EN/DE/FR/ES
WIKA operating instructions DiwiTherm
®
, model TR75
19
EN
WIKA
Order no.
Designation
Suitable for threads
11349981
per DIN 7603 Form C 14 x 18 x 2 -CuFA
G ¼, M14 x 1.5
11349990
per DIN 7603 Form C 18 x 22 x 2 -CuFA
M18 x 1.5, G ⅜
11350008
per DIN 7603 Form C 21 x 26 x 2 -CuFA
G ½, M20 x 1.5
11350016
per DIN 7603 Form C 27 x 32 x 2.5 -CuFA
G ¾, M27 x 2
11367416
per DIN 7603 Form C 20 x 24 x 2 -CuFA
M20 x 1.5
1248278
per DIN 7603 D21.2 x D25.9 x 1.5 -Al
G ½, M20 x 1.5
3153134
per DIN 7603 Form C D14.2 x D17.9 x 2 -StFA
G ¼, M14 x 1.5
3361485
per DIN 7603 Form C D33.3 x D38.9 x 2.5 -StFA
G 1
11355352
D15 x D21 x 3 -NP-Univ
M24 x 1.5
1605933
D15 x D21 x 1 -NP-Univ
M24 x 1.5
Legend:
CuFA = Copper, max. 45 HB
a
; filled with asbestos-free sealing material
Al
=
Aluminium Al99; F11, 32 to 45 HB
b
StFA =
Soft iron, 80 to 95 HB
a
; filled with asbestos-free sealing material
6.2 Tapered threads (NPT)
It should be checked whether it may be necessary to seal them additionally with PTFE tape
or hemp. The threads must be lubricated with a suitable lubricant before fitting.
Tighten the threads by hand when carrying out the final assembly on the plant. This will
correspond to the delivery status of the premounted components. The final tightening and
sealing must be made with a spanner (1.5 to 3 rotations).
7. Maintenance and cleaning
7.1 Maintenance
The DiwiTherm
®
thermometer is maintenance-free.
The indicator should be checked once or twice every year.
To do this, the instrument must be disconnected from the process and checked using a
temperature calibrator.
DiwiTherm
®
model TR75: battery powered (at least 10 years service life)
The battery is not replaceable!
Repairs must only be carried out by the manufacturer.
6. Commissioning, operation / 7. Maintenance and cleaning
Содержание DiwiTherm TR75
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