447B3882_DN50_kl

Critical ServiceType 447B

Safety valves with conductive PTFE full lining in the inlet and outlet area for potentially explosive atmospheres. Technical data

  • Cost-effective alternative to safety valves made of nickel-based materials
  • Delivery time: 4 weeks
    • CE_Europa_schwarz
    • VdTUEV
    • ASME_UV_USA_schwarz
    • EAC_Russland_schwarz
    • TS_Logo_China_schwarz
    • UKCA_Grossbritanien_schwarz
    • CRN_Kanada_schwarz

    Applications & Industries

    • Chemistry
    • Petrochemical

    The optimal solution for:

    • Chlorine applications
    • Acids and alkalis
    • Chemical industry intermediates in potentially explosive atmospheres
    BASF_inv Bayer Wacker

    Technical Features Type 447B

    Set pressure (according to CE) 0.1 - 16 barg
    Set pressure (according to ASME) 15 - 240 psig
    Temperature (according to CE) -85 to 200 °C | -121 to 392 °F
    Temperature (according to ASME) -29 to 200 °C | -200 to 392 °F
    Capacity orifice F+ to P
    Connections DIN EN 1092 DN 25 - DN 100
    Connections ASME B16.5 NPS 1 - NPS 4
    Flange class Inlet DIN EN 1092 PN 10 - PN 16
    Flange class Inlet ASME B16.5 Class 150
    Body material 1.0460, 1.0619 | WCB + Virginal PTFE with conductive pigments
    Narrowest flow diameter d₀ 23 - 92 mm | 0.91 - 3.62 in
    Narrowest flow area A₀ 416 - 6648 mm² | 0.645 - 10.304 in²
    Bellows material PTFE-TFM with conductive pigments
    Seat gasket Sealing plate
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