Bourdon tube pressure gauges for high temperature

Application

For corrosive gaseous and liquid media which are not highly viscous and do not crystallise; suitable for corrosive environments.

! For measuring gas or vapour, observe the table "Selection Criteria as per EN 837-2"!
Technical data
Type
D4
Nominal size
63 – 100 – 160
Accuracy class (EN 837-1/6)
1,6
1,0
Ranges (EN 837-1/5)
See ordering table
Application area NG63
Static load:
¾ x full scale value
Dynamic load:
⅔ x full scale value
Short-term:
Full scale value
Application area NG100/160

Static load
≤ 600 bar:
Full scale value
> 600 bar:
¾ x full scale value
Dynamic load
≤ 600 bar:
0.9 x full scale value
> 600 bar:
⅔ x full scale value
Short-term
≤ 600 bar:
1.3 x full scale value
> 600 bar:
Full scale value
Operating temperature range
Medium:
up to 380 °C with Siphon part no. 63152 
Ambient:
-20/+60 °C
Temperature performance
Indication error when the temperature of the measuring system deviates from the normal temperature of 20 °C:
at rising temperature approx. ± 0.4 %/10 K
falling temperature approx. ± 0.4 %/10 K
of full scale value
Degree of protection
IP 54 (EN 60529) with housing vent (≤ 25 bar)
IP 65 (EN 60529)
Standard design

Connection
Stainless steel 316 L, bottom, centre back or bottom back
G¼B, SW14 (EN 837-1/7.3)
G½B, SW22 (EN 837-1/7.3)
Measuring element
Bourdon tube, stainless steel 316 Ti/316 L
≤ 60 bar:
"C" type tube
> 60 bar:
Helical tube
Tightness-tested with helium
Movement
Stainless steel
Dial
Aluminium, white
Scaling black
Pointer
Aluminium, black
Housing
Stainless steel 304, with blow-out
Bayonet type bezel
Stainless steel 304
Window
Laminated safety glass

Options

 Back flange
 Panel mounting bezel
 3-hole fixing, panel mounting bezel
 Ex version
 Crimped bezel, polished
 Electrical contacts
 Special scales
 Other process connections