Instruction manual ni-401e, Weatherproof, Explosionproof – WIKA TWG User Manual
Page 6

INSTRUCTION MANUAL
NI-401E
Rev. 3 07/99
WEATHERPROOF
EXPLOSIONPROOF
fig. 6 - Example of connections -
fig. 7 - Example of connections -
1) Weatherproof temperature switch
series TWG
2) Capillary spacer
3) Thermowell
4) Bulb
5) Process piping
6) Derivation
7) Flexible
armour
8)
Cable gland
9)
Bracket for 2” pipe
10) 2”
pipe
1) Explosionproof temperature switch
series TAG
2) Capillary spacer
3) Thermowell
4) Bulb
5) Process piping
6) Derivation
7)
Blocking joint
8)
Cable gland
9)
Bracket for 2” pipe
10) 2”
pipe
fig. 8 - Thermometric wells: example of installation
Minimum dimensions 3"; for lesser dimensions provide for an increase in diameter up to 3".
Minimum dimensions 6"; for lesser dimensions provide for an increase in diameter up to 6".
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]