The Shand and Jurs Model 94580 Combination Emergency Vent & Flame Arrester provides emergency pressure venting as well as positive flame stop on low pressure tanks containing flammable liquids with a low flash point. Magnetic emergency vent latch is positive acting. Sizes 2" to 6". Consult the attached pdf for full specifications.
Features of the Model 94580 include:
Protection against flashback, cost effective, dual purpose easy to configure unit provides emergency pressure relief and serves as a barrier between external flame and internal vapours
The magnetically latched emergency vent provides lightweight, cost effective emergency venting. The unitized tube bank provides maximum flow while minimizing pressure drop and is designed for NEC Group D vapour applications. Both body and tube banks are available in numerous materials to meet the requirements of your site.
Shand & Jurs "Expanda-Seal" option is standard on pressure pallet assemblies. This feature, shown in red in the attached specifications, significantly reduces leakage. The ballooning effect of the teflon diaphragm effectively seals the valve. The "Expanda-Seal" feature ensures less than .5 SCFH of leakage at 95% of the set point.
Consult Teltherm for technical assistance and quotes.