Light Duty End-of-line Deflagration Flame Arresters


Gas Groups: D & C | IIA, IIA1, IIB1, IIB2 & IIB3

Protectoseal SV Series of Light Duty End-of-line Flame Arresters are designed for installation at an end of a pipeline, or on an atmospheric vent from vessels where flammable gases or vapors may be present and are designed to prevent atmospheric deflagrations from entering a piping system, or a storage tank. SV Series Flame Arresters provide a cost-effective solution for situations where a simple lightweight product is required. Typical applications include gas purging of equipment, sample lines and instrumentation lines.


  • Lightweight, easy fitting 
  • Compact: maximum overall height of 0.276 inches / 77mm 
  • Threaded fitting  
  • Weather hood for enhanced protection 
  • Sizes: 1/2” (15mm) through 2” (50mm) 
  • Connections: Male or Female Threaded connection 
  • Materials: Aluminum 
  • Gas Groups: D & C |  IIA, IIA1, IIB1, IIB2 & IIB3 
  • Testing & Certifications: EN ISO 16852 and approved to ATEX Directive 2014/34/EU.