Wika PCA_HP Manual de usuario descargar pdf (Pagina 6)

INSTRUCTION MANUAL

NI-281E

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

Fig. 8 - Surface or bracket mounting for 2" pipe

(weatherproof and explosionproof instruments)

LEGEND

1 - Fitting 9 - "T" fitting

2 - Drain plug 10 - Three piece fitting

3 - Service valve 11 - Blocking joint

4 - Piping 12 - Curve

5 - Three piece fitting 13 - M5 screws (No. 2)

6 - Root valve with drain 14 - Bracket for 2" pipe

7 - Process piping 15 - Vertical pipe

8 - Three piece fitting 16 - Horizontal pipe

NOTE: With gas or vapour process fluid, the instrument must

be positioned higher than the pipe inlet (see Fig. 5). With a

liquid process fluid, the instrument can be positioned higher or

lower, indifferently (see Fig. 5 and 6). In this case, during set

point calibration the negative or positive head must be taken

into account (distance h in Fig.5 and 6).

1 2 3 4 5 6

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Wika PCA_HP Manual de usuario Pagina 6