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94406 Vertical Inline Deflagration Flame Arrester

94406 Deflagration Flame Arrester
  • ISO 16852 Approved

  • ATEX EN 12874 Approved

  • Unitized tube bank design

  • Maximum protection and efficiency with minimum pressure drop

  • Wide range of standard construction materials

  • Easy inspection and maintenance, due to simple removal of tube bank

  • Complete range of sizes from 2" (50 mm) to 12" (300 mm) ANSI, EN1092, JIS. Consult factory for larger sizes


The Shand & Jurs Model 94406 Vertical Inline Deflagration Flame Arresters are designed to provide a positive flame stop on low pressure tanks or piping systems containing flammable liquids or solvents having a low flash point. Model 94406 not only provides exceptional protection against flame from external ignition, but also offers maximum flow capacity.

Shand & Jurs Vertical Inline Deflagration Flame Arresters are generally installed with pressure-vacuum vents, or in-line free vent to atmosphere. The tube bank design consisting of a spiral-wound crimped ribbon around a solid core, maximize flow capacity with minimum pressure drop. The standard flame arrester is Factory Mutual (FM) approved to meet the ATEX application requirements per EN 12874 and ISO 16852.

Periodic inspection, maintenance and replacement of the tube bank is easily accomplished by simply removing tie-bolts and expanding the remaining jack screws. Once the upper and lower body sections are expanded, the tube bank is easily removed with the aid of a handle.

Standard body construction includes light weight cast aluminum, cast iron, ductile iron, cast steel, 304 stainless steel and 316 stainless steel body materials suitable for most environments. Tube bank is available in 304 stainless steel or 316 stainless steel as standard. A complete range of sizes from 2" [50 mm] through 12" [300 mm] are available with flat face or raised face flanges to match ANSI, EN1092 or JIS connections.

For highly corrosive applications, body and tube bank construction of Duplex SS, Hastelloy C, or Alloy 20 are available.

Temperature monitor device to be installed on unprotected side of Tube Bank.

Temperature monitor device available. Consult Factory.
All Shand & Jurs Deflagration Arresters are ATEX EN 12874 and ISO 16852 Approved