: Bourdon Tube

Service intended

P254 series are designed to measure a high dynamic pressure load and it can be used where severe vibrations are present. It is recommended to be used with a gaseous and a liquid media that are not highly viscous and not to be used where copper alloy parts could be corroded. Its application extends to hydraulics, compressors and shipbuilding.

Nominal diameter	50, 63, 75 and 100 mm
Accuracy	±1.5 % of full scale
Scale range (MPa, kPa, bar)	-0.1 ~ 0 to 0 ~ 40 MPa
Working pressure	Steady : 75 % of full scale Over range protection : 130 % of full scale
Working temperature	Ambient : -20 ~ 60 ℃ -20 ~ 60 ℃ (With glycerin filling) -40 ~ 65 ℃ (With silicone filling) Fluid : Max. 60 ℃
Fluid	Glycerin
Degree of protection	EN60529/IEC529/IP67
Temperature effect	Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.4 % per 10 ℃ of full scale

Standard features

Pressure connection	Brass (50 and 63 mm) Nickel plated brass (75 and100 mm)
Element	Brass <6 MPa : C type bourdon tube ≥6 MPa : Helical type bourdon tube
Case	Stainless steel (304SS)
Cover	Stainless steel (304SS) Crimp ring type
Window	Polycarbonate (50 and 63 mm) Safety glass (75 and100 mm)
Movement	Brass
Dial	White aluminium with black graduations
Pointer	Black painted aluminium alloy
Process connection	50 and 63 mm : ⅛", ¼" PT, NPT and PF 75 mm : ¼", ⅜" PT, NPT and PF 100 mm : ¼", ⅜", ½" PT, NPT and PF One piece type connection (50 and 63 mm) Two piece type connection (75 and 100 mm)

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P254 Series_General service liquid filled pressure gauge

P254 Series

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Bourdon Tube

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