LESER Critical Service Safety Valve Type 447

Critical ServiceType 447 IC

Safety valve with full PFA lining in the inlet and outlet area for highly corrosive media. Technical data

  • Cost-effective alternative to safety valves made of nickel-based materials
  • Delivery time: 8 weeks


  • ASME_UV_USA_schwarz

Aplikacjas & Industries

  • Chemistry
  • Petrochemical

Optymalne rozwiązanie dla:

  • Chlorine applications
  • Acids and alkalis
  • Intermediates of the chemical industry
Aarti Industries Gujarat Alkali Meghamani Organics

Technical Features Type 447 IC

Set pressure (according to CE) 0.1 - 16 barg
Set pressure (according to ASME) 1.45 - 232 psig
Temperature (according to ASME) -29 to 200 °C | -20 to 392 °F
Capacity Orifice F+ to P
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 WCB + Virginal PTFE
Narrowest flow diameter d₀ 23 - 92 mm | 0.91 - 3.62 in
Narrowest flow area A₀ 416 - 6,648 mm² | 0.645 - 10.304 in²
Bellows material PTFE-TFM
Seat gasket Sealing plate
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