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Industrial technology Mechanical pressure measuring instruments RF40Ch D912
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Images 7

RF40Ch D912

Rohrfeder-Chemiemanometer Typ D9

Variants Documents

housing ⌀ (nominal size)40 mm
ConnectionG⅛B
alignmentcentre back
accuracy class2,5
standardEN 837-1

  • for chemical and process engineering applications
  • measuring system fully welded to housing
  • extremely robust design
  • for temperatures of the medium of up to 200 °C
  • tightness-tested with helium
  • GOSSTANDART-certified
  • Ex version (optional)

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"!

RangeMounting typeTypePart number
0/1.6 bardirectRF40Ch D91285011912
0/2.5 bardirectRF40Ch D91285012912
0/4 bardirectRF40Ch D91285013912
0/6 bardirectRF40Ch D91285014912
0/10 bardirectRF40Ch D91285015912
0/16 bardirectRF40Ch D91285016912
0/25 bardirectRF40Ch D91285017912
0/40 bardirectRF40Ch D91285018912
0/60 bardirectRF40Ch D91285019912
0/100 bardirectRF40Ch D91285020912
0/160 bardirectRF40Ch D91285021912
0/250 bardirectRF40Ch D91285022912
0/400 bardirectRF40Ch D91285023912
  • in-stock items
  • manufactured goods

Type
D9
Nominal size
40 - 40
accuracy class
EN 837-1/6
NG 40: 2,5
ranges (EN 837-1/5)
see ordering table
application area
static load:
¾ x full scale value
dynamic load:
⅔ x full scale value
short-term:
Full scale value
Operating temperature range
Medium
NG 40: max. 100 °C
Ambient:
-20/+60 °C
Temperature performance
Indication error when the temperature of the measuring system deviates from the normal temperature of 20 °C:
bei Temperaturzunahme ca. ± 0,4 %/10 K,
falling temperature approx. ± 0.4 %/10 K
vom jeweiligen Skalenendwert
Degree of protection
IP 54 (EN 60529) with housing vent (≤ 25 bar)

Standard design

Connection
Stainless steel 316 L, centre back
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, weiß
Scaling black
Pointer
Aluminium, schwarz
Housing
Edelstahl 304, with blow-out
bayonet bezel
NG 40:
NG 40: Edelstahl 304
window
NG 40: Kunststoff (PMMA)

854_017_0336-00.PDF

Rohrfeder-, Kapselfeder-, Plattenfeder-, Membranfedermanometer für Differenzdruck

Manuals
Industrial technology
PDF

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