WIKA PCA_HP - Manual (Page 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).