Model 931-A Inline Flame Arrester

Performance Features

  • Tube protection against deflagration
  • Tube protection against detonation
  • Protection against continuous fire
  • Short time burning options available
  • Available in nom. Diameter: DN8 (1/2”) – DN32 (1 1/4”)

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  • Specification Options
  • Materials
  • Documentation

Protection

Gas/air or steam/air mixtures of the following explosion groups:
  • I (methane) NSW = 1.14 mm
  • IIA (D) NSW = 0.90 mm

Connection Type

  • Rp to ISO 7-1 (DIN 2999)
  • BSP to BS 21
  • NPTF to ANSI B1.20.3

Compliance with Guidelines

EC type examination certificate based on to directive 94/9/EC, according to ATEX 95 and ISO 16852

Materials of Construction

  Carbon Steel Stainless Steel Other Materials on request
Metal Foil Element
Body / Cover

Painting Options Available

Dimensions

DN A B Weight
DIN ANSI
in mm in mm in mm kg kg
0.25  15   130   95 3.8 3.1
0.75 20   130    108 4.8 4.2
1 25   130   108 5.2 4.8
1.25 32   130   118 6.5 5.8

Product Literature

Model 931-AT

Installations

Model 931-T & Model 931-A(-T)