Wika TW10-P Instrukcja Użytkownika Pobierz pdf (Strona 8)

11405821.06 09/2010 GB/D/F/E

WIKA operating instructions thermowells

Screw-tting thermowells

When using parallel threads, a suitable seal should be used when mounting. Tapered threads

can be sealed by suitable seals or an additional welded seam. The correct tightening torques and

suitable tools (e.g. spanner) should be used.

Weld-tting thermowells

Weld-in thermowells can be mounted into the process directly (pipe or vessel wall) or by using

a welding socket. Make sure that the weld seam is clean and that suitable equipment is used. If

necessary, heat-treat the weld seams.

Thermowells with ange connection

The ange dimensions of the thermowell must match those of the mating ange on the process

side. The seals used must be suitable for the process and the ange geometries (consult the

delivery note). The correct tightening torques and suitable tools (e.g. spanner) should be used

for installation. For thermowells with a collar, make sure that it matches the inner diameter of the

coupling and is supported by it. In the case of an interference collar, they should be adapted to the

inner diameter of the coupling.

Irrespective of the process connection, 3 mounting positions of thermowells in pipes are possible:

■

Right-angled position with respect to the ow (most unfavourable position)

■

Tilted position with respect to the ow (tip inclined towards the ow direction is preferred)

6. Commissioning, operation

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Wika TW10-P Instrukcja Użytkownika Strona 8