Model 933-A Sanitary Inline Flame Arrester

Inline Deflagration, Stable and Unstable Detonation Endurance Burning

Model 933-A Sanitary Inline Flame Arrester

Performance Features

  • In-line deflagration arrester / inline detonation arrester
  • Stable / Unstable detonation
  • Short time burning
  • Low pressure drop
  • Various options available for high operating pressure and temperature
  • EC prototype test certificate according to ATEX Directive 2014/34/EU and EN ISO 16852:2016
  • Available in nom. Diameter: DN50 (2”) – DN600 (24”)
  • Additional sizes available on request

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  • Specification Options
  • Materials
  • Documentation

Protection

  • Gas/air or vapour / air-mixtures for explosion groups up to and including IIC (NEC Group B), MESG < 0.5mm
  • Temperature Sensor – resistance thermometer with protection type
    • Inherently safe (EEx i)
    • Pressure Resistant Enclosure (EEx d)

Connection Type

  • ISO 7005-1
  • ASME B16.5
  • ANSI B16.5
  • Other types available upon request

Compliance with Guidelines

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


Materials of Construction

  Carbon Steel Stainless Steel Hastelloy Ductile Iron 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

 

 

Model 933-A Sanitary Dimensions Illustration

Product Literature

Model 933-A Sanitary Brochure

Installations

Model 933-A/933-G – 25 to 40/2x0.7/p
Model 933-A/933-G – 25 to 40/3x0.5/e
Model 933-A/933-G – 25/3x0.3/De
Model 933-A/933-G – 25/3x0.5/m100
Model 933-A/933-G – 25/3x0.7/D
Model 933-A/933-G – 25/4x0.5/D4IIB3P1T1
Model 933-A/933-G – 25/5x0.2/D4IICP1T1
Model 933-A/933-G – 40 to 80/3x0.3/De
Model 933-A/933-G – 40/3x0.5/Dp
Model 933-A/933-G – 40/3x0.5/DpC
Model 933-A/933-G – 40/4x0.17/D
Model 933-A/933-G – 40/4x0.2
Model 933-A/933-G – 40/4x0.2/D
Model 933-A/933-G – 50/2x0.7/m
Model 933-A/933-G – 50/2x0.7/p
Model 933-A/933-G – 50/3x0.5/D
Model 933-A/933-G – 50/3x0.5/e
Model 933-A/933-G – 50/3x0.7/D
Model 933-A/933-G – 50/4x0.3/D
Model 933-A/933-G – 50/4x0.3/p
Model 933-A/933-G – 50/5x0.2-d/D
Model 933-A/933-G – 50/6x03-d/iDe to Model 933-A/933-G 80/6x03-d/iDe
Model 933-A/933-G – 80/3x0.5/Dp