Wika TC10-L Manual do Utilizador descarregar pdf (Página 15)

WIKA operating instructions models TR10-L, TC10-L (Ex d)

3370964.05 04/2014 GB/D/F/E

6.3 Tightening torques

Connection head, selectable (example)

Tightening torques for connection to thermowell

Tightening torques for connection to neck tube

Thread Tightening torques in Nm

R 1/2

50 ... 60

1) only for versions with “nipple-union-nipple” neck tube

Thread

Tightening torques in Nm

1/2 NPT 35

3/4 NPT 40

G 1/2 B 35

G 3/4 B 40

M14 x 1.5 25 ... 30

M18 x 1.5 35

M20 x 1.5 35 ... 40

M27 x 2 40 ... 45

■

Only ever screw in, or unscrew, the instrument via the spanner-ats and to the prescribed

torque using an appropriate tool.

■

The correct torque depends on the dimensions of the connection thread and the gasket

used (form/material).

■

Screwing or unscrewing the connection head is not permitted.

■

When screwing in the instrument, please observe that the threads are not skewed.

6. Commissioning, operation

6.4 Locking screw

Always tighten the locking screw to prevent unintended opening of

the head with ameproof enclosure.

Before opening the head, always loosen the locking screw

suciently.

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