Wika TR75 Manual do Utilizador descarregar pdf (Página 20)

11325232.04 01/2014 GB/D/F/E

20 WIKA operating instructions DiwiTherm

, model TR75

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

; lled with asbestos-free sealing material

Al = Aluminium Al99; F11, 32 to 45 HB

StFA = Soft iron, 80 to 95 HB

; lled 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 tting.

Tighten the threads by hand when carrying out the nal assembly on the plant. This will

correspond to the delivery status of the premounted components. The nal 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

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Wika TR75 Manual do Utilizador Página 20

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