LESER High Performance Safety Valve Type 455 456

High PerformanceType 455, 456

Full lift safety valve with rolled in seat. Technical data

  • Delivery times: 2 weeks for standard configurations
  • Carbon steel, high-temperature carbon steel and cast stainless steel

 

  • CE_Europa_schwarz
  • ASME_UV_USA_schwarz
  • EAC_Russland_schwarz
  • TS_Logo_China_schwarz
  • UKCA_Grossbritanien_schwarz
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Applications & Industries

The Types 455 / 456 for chemical, petrochemical, energy, technical gases and general industry in heavy duty applications up to 100 barg

The optimal solution for:

  • High capacity at pressures between 2.5 - 100 barg
  • When rolled in seat is sufficient
  • Easy maintenance
Linde_inv VEAG OSCHATZ

Technical features Type 455, 456

Set pressure(according to CE) 2.5 - 100 bar | 36 - 1,450 psig
Set pressure (according to ASME) 2.5 - 100 bar | 35- 1,450 psig
Temperature(according to CE) -85 to 550 °C | -121 to 1,022 °F
Temperature(according to ASME) -29 to 538 °C | -20 to 1,000 °F
Capacity orifice F+ to N+
Connections DIN EN 1092 DN 25 - DN 100
Connections ASME B16.5 NPS 1 to NPS 4
Flange class Inlet DIN EN 1092 PN 63 - PN 160
Flange class Inlet ASME B16.5 Class 150 - Class 1500
Body material 1.0619, 1.4581, 1.7357 | SA 216 WCB, SA 351 CF10M, SA 217 WC6
Narrowest flow diameter d₀ 20 - 74 mm | 0.79 - 2.91 in
Narrowest flow area A₀ 314 - 4.301 mm² | 0.487 - 6.666 in²
Bellows material Stainless steel
Seat gasket Metallic, Sealing plate , Soft sealing
LESER Safety valve Type 456 cutting image
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