Wika TR10-J Manual do Utilizador descarregar pdf (Página 16)

11208287.06 10/2013 GB/D/F/E

WIKA operating instructions resistance thermometers, thermocouples

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 C20 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

Legend:

CuFA = Copper, max. 45 HB

, with a lling made of asbestos-free sealing material

Al = Aluminium Al99

F11, 32 to 45 HB

StFA = Soft iron, 80 to 95 HB

, with a lling made of asbestos-free sealing material

6.4 Tapered threads (NPT)

Connections with tapered threads (NPT) are self-sealing and normally must not be sealed. 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

These thermometers are maintenance-free.

Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!

■

Before cleaning, correctly disconnect the instrument from the pressure supply,

switch it o and disconnect it from the mains.

■

Clean the instrument with a moist cloth.

■

Electrical connections must not come into contact with moisture.

■

Wash or clean the dismounted instrument before returning it, in order to protect

personnel and the environment from exposure to residual media.

■

Residual media in dismounted instruments can result in a risk to personnel, the

environment and equipment. Take sucient precautionary measures.

For information on returning the instrument see chapter 9.2 “Return”.

6. Commissioning, operation / 7. Maintenance and cleaning

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