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... RF50Ch D912 85073912 RF50Ch 0/400bar 1/4 ax Kl.1,6 D912
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Bourdon tube pressure gauges for chemical applications RF50Ch | 85073912

Bourdon tube pressure gauges for chemical applications Type D9

manufactured goods
Documents

Range0/400 bar
housing ⌀ (nominal size)50 mm
ConnectionG¼B
alignmentbottom back
accuracy class1,6
standardEN 837-1
Part no.85073912

  • 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"!

Type
D9
Nominal size
50 - 50
accuracy class
EN 837-1/6
NG 50: 1,6
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 50: max. 150 °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 65 (EN 60529)

Standard design

Connection
Stainless steel 316 L, bottom 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 50:
NG 50: Edelstahl 304
window
NG 50: Kunststoff

Click the corresponding image for detail views, additional information and dimension tables.

NG 50 – bottom back connection

PRO_TEC_BEP_RF50CH_D91X_S.TIF

AFRISO_BOURDON-TUBE-PRESSURE-GAUGES-FOR-CHEMICAL-APPLICATIONS-RF50CH_ENG_GBR_20260209_230708479.PDF

AFRISO_ROHRFEDER-CHEMIEMANOMETER-TYP-D9_DEU_DEU_20260210_000655317.PDF

datasheet product
Industrial technology
PDF
DOK_TEC_KON_KONFORMITAETSERKLAERUNG.PDF

EU-Konformitätserklärung Druckgeräte

Declarations of Conformity
PDF
AFRISO_BOURDON-TUBE-PRESSURE-GAUGES-FOR-CHEMICAL-APPLICATIONS-RF50CH-BOURDON-TUBE-PRESS_85073912_ENG_GBR.PDF

AFRISO_ROHRFEDER-CHEMIEMANOMETER-RF50CH-ROHRFEDER-CHEMIEMANOMETER-TYP-D9_85073912_DEU_DEU.PDF

datasheet variant
Industrial technology
PDF
ATEX-ZERTIFIKAT_MANOMETER_EX9A_015639_0020_EN.PDF

ATEX Bescheinigung Manometer

Certificates / DIBt approvals
Industrial technology
PDF
OPTIONEN_ROHRFEDER-MANOMETER_441_EN.PDF

Rohrfeder-Manometer

Catalogue options
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900_400_0882.PDF

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operating instructions
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854_017_0336-00.PDF

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operating instructions
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RF50CH_D912_850XX912.STP

RF50CH_D912_850XX912.STP

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