Instruction, Manual ni-491e, Weatherproof explosionproof – WIKA TCA User Manual
Page 6

INSTRUCTION
MANUAL
NI-491E
Rev. 5 11/02
ETTORE CELLA SPA Viale de Gasperi, 48 - Casella Postale (P.O. Box) 96 - I 20010 Bareggio (MILANO) ITALY
Telefoni +39 029036.1146/1237/1241 - FAX +39 029036.1331 E-MAIL: [email protected]
WEATHERPROOF EXPLOSIONPROOF
Fig. 6 -
Example of connections -
Fig. 7 -
Example of connections -
1) Weatherproof
temperature
switch series TCS
2) Capillary
3) Thermowell
4) Bulb
5) Derivation
6) Process
piping
7) 2”
pipe
8) Bracket for 2” pipe
9) 3 piece joint
1) EEx-d temperature switch
series TCA
2) Capillary
3) Thermowell
4) Bulb
5) Derivation
6) Process
piping
7) 2”
pipe
8) Bracket for 2” pipe
9) 3 piece joint
10) Blocking joint
Fig. 8 -
Thermometric wells: example of installation
Dimensione minima 3"; per dimensioni minori provvedere ad
un incremento del diametro fino a 3".
Dimensione minima 6"; per dimensioni minori provvedere ad
un incremento del diametro fino a 6".
Minimum dimension 3”: for lesser dimensions provide for an
increase in diameter up to 3”
Minimum dimension 6”: for lesser dimensions provide for an
increase in diameter up to 6”