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2 instructions for installation, 3 mounting steps, 4 mounting steps, external housing – VEGA VEGABAR 53 4 … 20 mA_HART User Manual

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4 Mounting

VEGABAR 53 • 4 … 20 mA/HART

36722-EN-130321

Instruments in the version "Oil and grease free for oxygen" should

be unpacked just before mounting. After the protective cover of the

process fitting has been removed, the label "O

2

" on the process fitting

is visible.
Danger:

Avoid oil, grease or contamination. Explosion danger!

4.2 Instructions for installation

Please check the diaphragm visually for damage and leaking fluid

before mounting and setting up the instrument. Make sure that the

diaphragm doesn't get damaged during installation.
Caution:

The instrument may only be used if it is in a technically flawless condi-

tion and has an undamaged diaphragm.

VEGABAR 53 functions in any installation position. It is mounted ac-

cording to the same directives as a manometer (DIN EN 839-2).
Information:

We recommend using lock fittings, measuring instrument holders and

siphons from our line of accessories.

4.3 Mounting steps

For mounting VEGABAR 53, a welded socket is required. You can find

these components in the supplementary instructions manual "Welded

socket and seals".

Use the seal corresponding to the instrument:

Process fitting GV, GF, GC: seal in front of the thread

- or -
Seal the thread with resistant seal material:

Process fitting GN

Screw VEGABAR 53 into the welded socket. Tighten the hexagon

on the process fitting with a suitable wrench. Wrench size, see

chapter "Dimensions".

Warning:

The housing must not be used to screw the instrument in! Applying

tightening force can damage internal parts of the housing.

Use the seal suitable for the respective process fitting. You can find

the components in the supplementary instructions manual "Welded

socket and seals".

4.4 Mounting steps, external housing

1. Mark the holes according to the following drilling template
2. Depending on the mounting surface, fasten the wall mounting

plate with 4 screws

Oxygen applications

Checking the diaphragm

Installation position

Welding the socket

Sealing/Screwing in

Sealing/Screwing in

hygienic fittings

Wall mounting