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工业服务压力表(40，50mm)P221，P253系列

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韩国阀门|管件|填料函

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详细介绍

Service intended

P221 and P253 series are suitable to be used in a corrosive environment, chemical, petro-chemical, refining facilities, power generation and marine and foods industry. Its stainless steel case and cover have a good appearance and an excellent protection against corrosion and chemical attack.

Nominal diameter	40 and 50 mm
Accuracy	40 mm : ±3.0 % of full scale 50 mm : ±1.5 % of full scale
Scale range (MPa, kPa, bar)	0 ~ 0.2, 0.3, 0.4, 0.6, 1, 1.5, 3.5 MPa
Working pressure	Steady : 75 % of full scale Over range protection : 130 % of full scale
Working temperature	Ambient : Model P221 : -40 ~ 65 °C Model P253 : -20 ~ 60 °C Fluid : Model P221 : Max. 200 °C Model P253 : Max. 60 °C
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	Model P221 : Stainless steel (316SS) Model P253 : Nickel plated brass
Element	C type bourdon tube Model P221 : Stainless steel (316SS) Model P253 : Brass
Case	Stainless steel (304SS)
Cover	40 mm : Stainless steel (304SS) and polycarbonate 50 mm : Stainless steel (304SS)
Window	Polycarbonate (40 and 50 mm)
Movement	Model P221 : Stainless steel Model P253 : Brass
Dial	White aluminium with black graduations
Pointer	Black painted aluminium alloy
Process connection	⅛", ¼" PT, NPT and PF
Option	Window : Safety glass with 304 stainless steel cover