P257 SOLID FRONT SAFETY PRESSURE GAUGE

Description

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
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)
Manufacturer

Datasheet:

All features and specifications subject to change without notice, delivery subject to availability, correction of errors and omissions excepted.