Model 933-G

In-Line Deflagration, Stable and Unstable Detonation, Short Time Burning Flame Arrester

Model 933-G

Performance Features

  • In-line deflagration arrester / in-line detonation arrester
  • Stable and unstable detonation
  • EC prototype test certificate according to ATEX Directive 2014/34/EU and EN ISO 16852:2016
  • Available in nom. Diameter: DN25 (1”) – DN80 (3”)

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  • Specification Options
  • Materials
  • Documentation

Protection

  • Gas/air mixtures for explosion groups up to and including IIC (NEC Group B), MESG < 0.50mm
  • Temperature Sensor – resistance thermometer with protection type
    • Inherently safe (EEx i)
    • Pressure Resistant Enclosure (EEx d)

Connection Type

  • Rp to ISO 7-1 (DIN 2999)
  • BSP to BS 21
  • NPTF to ANSI B1.20.3
  • Other types available upon request

Compliance with Guidelines

  • ATEX 2014/34/EU
  • EN ISO 16852:2016

Materials of Construction

  Carbon Steel Stainless Steel Hastelloy Other Materials on request
Metal Foil Element   ✓ ✓ ✓
Housing of Metal Foil Element   ✓ ✓ ✓
Body / Cover ✓ ✓ ✓ ✓

Painting Options Available

Dimensions

DN A* B C SW Weight
N=2 N=3 N=4 N=5 N=2 N=3 N=4 N=5
in mm in mm in mm in mm in mm in mm in mm in mm kg kg kg kg
1 25   130   143   155   167   108   240   50 4.7 5 5.3 5.8
1.25 32   131   118   245   50 5.0 5 5.4  
1.5 40   130   150   260   60 7.8 7.8 8.4  
2 50   140   153**   163       175   273   75 10.8 11.6 12.5  
2.5 65   150   162           207   290   90 13.3 15    
3 80   157   169           227   299   100 16.8 17.8    

* N: number of metal foil elements

 

 

 

 

Product Literature

Model 934-BM Brochure

Installations

Model 934-BM – 150 / 2x0.5
Model 934-BM – 50(40)/0320/0.5
Model 934-BM – 50(40)/0320k1/05/et
Model 934-BM – 80(65)/0320k1/05/et
Model 934-BP/BM – 50(40)-2x0.5