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) |
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