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      1. 產品展示

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        歐標安全型壓力表P257系列

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        • p257.jpg

        歐標安全型壓力表P257系列


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        韓國閥門|管件|填料函

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        詳細介紹


        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 : ?", ¼" PT, NPT and PF
        100 and 160 mm : ¼", ½", ?" 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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