LESER High Performance Safety Valve Type 444 ANSI

High PerformanceType 444 ANSI

Full lift safety relief valve with deep drawn stainless steel body, ASME flanged connections. Technical data

  • Delivery times: 2 weeks for standard configurations
  • Stainless steel
  • CE_Europa_schwarz
  • ASME_UV_USA_schwarz
  • EAC_Russland_schwarz
  • TS_Logo_China_schwarz
  • UKCA_Grossbritanien_schwarz

Applications & Industries

All industries up to 16 barg, compact and lightweight stainless steel version

The optimal solution for:

  • Pressure relief within 5% pressure increase
  • Often used in the textile industry until 16 barg
  • Nominal sizes up to NPS 3
  • High required mass flows
  • Easy maintenance

SPIRAX SARCO THIES Hitachi

Technical features type 444 ANSI

Set pressure(according to CE) 0.1 - 16 bar | 1.5 - 232 psig
Set pressure (according to ASME) 1.03 - 16 bar | 15 - 232 psig
Temperature(according to CE) -45 to 200 °C | -49 to 392 °F
Temperature(according to ASME) -45 to 200 °C | -49 to 392 °F
Capacity orifice G- to N
Connections ASME B16.5 NPS 1 to NPS 3
Flange class InletASME B16.5
Class 150
Body material 1.4404 | SA 479 316L
Narrowest flow diameter d₀ 23 - 74 mm | 0.91 - 2.91 in
Narrowest flow area A₀ 416 - 4,301 mm² | 0.644 - 6.666 in²
Bellows material No Bellows available
Seat gasket Metallic
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