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Bourdon tube pressure gauge Stainless steel


For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive ambience

CDA (clean dry air) applications

Indication of failure alarm on gas cylinders

Machine building and general plant construction

All stainless steel construction

Cost-effective and reliable

Scale ranges up to 0 1,000 bar

DesignEN 837-1
Nominal size in mm40, 50, 63
Accuracy class2.5
Scale rangesNS 40 and 50:  0 ... 1 to 0 ... 600 bar NS 63: 0 ... 1 to 0 ... 1,000 bar or all other equivalent vacuum or combined pressure and vacuum ranges
Pressure limitationSteady: 3/4 x full scale value Fluctuating: 2/3 x full scale value Short time:  Full scale value
Permissible temperatureAmbient: -40 +60 C Medium:  +100 C maximum
Temperature effectWhen the temperature of the measuring system deviates from the reference temperature (+20 C):
max. 0.4 %/10 K of full scale value
Ingress protectionIP 54 per EN 60529 / lEC 60529

Standard version

Process connectionStainless steel  
Bottom or centre back  
G ¼ B
Pressure elementStainless steel 316L C-type or helical type
MovementStainless steel
DialAluminium, white, black lettering, with pointer stop pin
PointerAluminium, black
CaseStainless steel


Other process connection

Assembly on diaphragm seals see product review diaphragm seals

Window from instrument glass or laminated safety glass

Panel mounting flange, polished stainless steel (only for back mount connection)

Surface mounting flange, stainless steel (NS 63)

Triangular bezel, polished stainless steel, with clamp (only for back mount connection)