Requirements For The Installation Point - WIKA 632.50 Serie Betriebsanleitung

6. Commissioning, operation
This is why electrically conductive sealing should be used at the process
connection. Alternatively, take other measures for grounding. Grounding
measures applied from the factory (e.g. welding points or fuse plates)
must therefore be used to integrate the instruments into the equipoten-
EN
tial bonding and must never be removed. Make sure that, following any
dismounting (e.g. instrument replacement), the grounding measures are
reinstalled.
Installation with open-
ended spanner
For parallel threads, use flat gaskets, lens-type sealing rings or WIKA
profile sealings at the sealing face . With tapered threads (e.g. NPT
threads), sealing is made in the threads , using a suitable sealing
material (EN 837-2).
The tightening torque depends on the sealing used. In order to orientate
the measuring instrument so that it can be read as well as possible, a
connection with LH-RH union or union nut should be used.
When a blow-out device is fitted to a pressure gauge, it must be protect-
ed against being blocked by debris and dirt.
6.2 Requirements for the installation point
If the line to the measuring instrument is not adequately stable, an instru-
ment bracket should be used for fastening (and possibly via a flexible
capillary). If vibrations cannot be avoided by means of suitable instal-
20
Spanner flats

Sealing face
Operating instructions capsule pressure gauge, model 63x.50 per ATEX
Sealing in the thread
