Beveiligings samenstel 645/85-30

Beveiligings samenstel 645

Beveiligings samenstel 645Beveiligings samenstel 645
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Samenstel van 2 of 4 vlamdovers type 85-30 volgens de DIN EN ISO 5175-1 voor hoge flow

  • hoogste kwaliteit van de wereldmarktleider
  • beveiligingselementen: vlamdover [FA],  thermisch gestuurde afsluiter  [TV], gaskeerklep [NV]
  • ieder appendage wordt 100% getest
  • 285 X 430 mm, 44 kg (2-voudig), 53 kg (4-voudig)
  • Acetyleen max. 392 m³/h (vrije uitstroom)
  • Brandbare gassen max. 2.740 m³/h (vrije uitstroom)
  • Zuurstof max. 1.850 m³/h (vrije uitstroom)

Dit model is ook in RVS leverbaar


WITT Safety groups for reliable protection against dangerous reverse gas flow and flashbacks in accordance with DIN EN ISO 5175-1. For applications with high flow rates. Every safety group 100% tested.


  • a large surface area flame arrestor FA of stainless steel construction extinguishes any dangerous flashback
  • a temperature-sensitive cut-off valve TV extinguishes sustained flashbacks long before the internal temperature of the arrestors reaches a dangerous level
  • a spring-loaded non-return valve NV prevents slow or sudden reverse gas flow forming explosive mixtures in the gas supply

Operation / Usage:

  • in central gas supplies (behind the manifold pressure regulator or in a pipeline system)
  • in thermal processing systems conforming to EN 746-2 (cutting machines, furnace supply equipment)
  • WITT safety groups may be mounted in any position / orientation in pipelines / supply pipes
  • the maximum ambient / working temperature is 70 °C / 158 °F


  • annual testing of the non-return valve, body leak tightness and flow capacity is recommended
  • safety groups are only to be serviced by the manufacturer


  • connection: two-sided female thread (G-; NPT-; RC-thread)

Company certified to ISO 9001 and PED 2014/68/EC Module H
CE-marked in accordance with PED 2014/68/EC
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems


Hier vindt u de belangrijkste downloads van het product


Beveiligings samenstel 645/85-30 wordt in de volgende bereiken gebruikt


WITT Zentrale NL

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