VEGA VEGABAR 61 4 … 20 mA_HART - Manual (Page 14)

1
2
Fig. 4: Temperature ranges
1
Process temperature
2 Ambient temperature
Danger:
I
nstruments 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 "O₂" on the process fitting
is visible. Contamination by oil, grease and dirt should be avoided.
D
anger of explosion!
4.2 Mounting steps
F or mounting VEGABAR 61, a welded socket is required. You can find
these components in the supplementary instructions manual "Welded
socket and seals".
S eal the thread with teflon, hemp or a similar resistant seal material on
the process fitting thread 1½ NPT.
à Screw VEGABAR 61 into the welded socket. Tighten the hexagon
on the process fitting with a suitable wrench. Wrench size, see
chapter "Dimensions".
Warning:
T
he housing must not be used to screw the instrument in! Applying
tightening force can damage internal parts of the housing.
S eal the flange connections according to DIN/ANSI with a suitable,
resistant seal and mount VEGABAR 61 with suitable screws.
U se the seal suitable for the respective process fitting. You can find
the components in the supplementary instructions manual "Welded
socket and seals".
Oxygen applica-
tions
Welding the socket
Sealing/Screwing in
threaded versions
Sealing/Screwing in
flange versions
Sealing/Screwing in hy-
gienic fittings
14 VEGABAR 61 • 4 … 20 mA/HART
4 M ounting
27519
-EN
-081209