Wika PGS23.160 Manuel d'utilisateur télécharger pdf (Page 10)

WIKA operating instructions pressure gauge model PGS with reed contacts

Correct sealing of pressure gauge connections with parallel threads



must be made using suitable sealing rings, sealing washers or WIKA

prole seals. The sealing of tapered threads (e.g. NPT threads) is made

by providing the thread



, with additional sealing material such as, for

example, PTFE tape (EN 837-2).

The torque depends on the seal used. Connecting the gauge using

a clamp socket or a union nut is recommended, so that it is easier to

orientate the gauge correctly. When a blow-out device is tted to a

pressure gauge, it must be protected against being blocked by debris

and dirt.

14000322.01 03/2011 GB/D/F/E

Spanner ats

Sealing in the

thread



Sealing face



Installation with

open-ended spanner

6. Commissioning, operation

6.1 Mechanical connection

In accordance with the general technical regulations for pressure

gauges (e.g. EN 837-2 "Selection and installation recommendations for

pressure gauges").

When screwing gauges in, the force required for this must not be

applied through the case or the cable terminal box, but rather through

the spanner ats (using a suitable tool) provided for this purpose on the

square shaft of standard connections.

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Wika PGS23.160 Manuel d'utilisateur Page 10