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欧标安全型压力表P257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

P257 series are made with a solid plate wall and a blow-out back. Its stainless steel case and cover have a good appearance. It has the excellent proof against corrosion and chemical attack.

Nominal diameter	63, 100 and 160 mm
Accuracy	P2572 (63 mm) : ±1.6 % of full scale P2574 (100 mm) and P2576 (160 mm) : ±0.5 % of full scale ±1.0 % of full scale
Scale range (MPa, kPa, bar)	63 mm : -0.1 ~ 0 to 0 ~ 100 MPa 100 and 160 mm : -0.1 ~ 0 to 0 ~ 200 MPa
Working pressure	Steady : 75 % of full scale (63 mm) 100 % of full scale (100 and 160 mm) Over range protection : 130 % of full scale
Working temperature	Ambient : -40 ~ 65 ℃ -20 ~ 65 ℃ (With glycerin filling) -40 ~ 65 ℃ (With silicone filling) Fluid : Max. 200 ℃ Max. 100 °C (With glycerin filling) Max. 100 ℃ (With silicone filling)
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	Stainless steel (316SS)
Element	Stainless steel (316SS) 63 mm : <6 MPa : C type bourdon tube ≥6 MPa : Helical type bourdon tube 100 and 160 mm : <10 MPa : C type bourdon tube ≥10 MPa : Helical type bourdon tube
Case	Stainless steel (304SS)
Cover	Stainless steel (304SS) Bayonet type
Blowout protection	Solid front Blow-out back
Window	Laminated safety glass
Movement	Stainless steel
Dial	White aluminium with black graduations
Pointer	Black painted aluminium alloy
Process connection	63 mm : ⅛", ¼" PT, NPT and PF 100 and 160 mm : ¼", ½", ⅜" PT, NPT and PF
Certificates	ATEX Ex II GD c IIc TX Pressure equipment directive (2014/68/EU)-Annex III Module H
Option	Zero adjustable pointer (Only available with diameter 100 and 160 mm) Zero adjustment (External) : 100 and 160 mm Pressure connection and element : Monel (Only available with diameter 100 and 160 mm)

欧标安全型超压保护仪表P256系列

欧标充油压力表P258系列