Roof Explosion Vents

Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic. They let moisture and hot air exit the attic but they aren t nearly as effective as other types of roof vents and homes generally need to have several of these units for the best results. An explosion vent is a non reusable safety device designed to burst at a set pressure along a specific rupture line relieving pressure and providing a pathway for deflagration hazards to safely escape.

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Xrv Ic Explosion Roof Vents

Explosion Vents Boss Products America

Roof Hatches And Explosion Vents

Options Automatic Smoke Vents

Explosion Vents Boss Products

Explosion Venting Panels Cs Explovent

The mv rd explosion vent is designed for high cycling applications such as in dust collectors bag houses and bulk storage units that experience vacuum pressures up to 12 psig 24 4 inhg.

Roof explosion vents.

The fasteners are designed to collapse under the force of an explosion releasing the lid and allowing the pressure to vent. And since these vent systems depend solely on proper field installation they could be extremely unreliable. Alternatively when the process cannot be vented safely outside the explosion vent opens and directs the fireball into a flameless venting device like flamquench. Unlike box vents which are square off ridge vents are usually much longer and thinner.

These vents are static vents that are placed over holes in the roof close to the roof ridge. Explovent roof explosion vents are designed for buildings where the exterior wall area is insufficient internal rooms or where exterior walls are obstructed thus preventing the use of wall vents. Invented by a roofer to defeat the harsh canadian winters this csa approved static box vent has been independently tested to block 99 99 of snow and rain even in severe storm conditions. The explosion vent limits the stress on the vessel and allows it to maintain structural integrity.

In the event of a deflagration the vents provide a rapid and unrestricted opening at a predetermined burst pressure pstat allowing combustion gases to expand and flow through the open vent. Explosion release smoke vent latch options are designed to limit structural damage to a building in the event of an explosion by releasing internal pressure. This roof mounted explosion relief vent has an aluminum insulated lid with an r value of 9 16 and utilizes factory mutual approved fasteners. Explosion vents are low burst pressure membranes of calculated area fixed over an opening on the structure to be protected.

Explosion release mechanism shown is preset and factory tested to release at between 25 30 pounds per square foot 122 146 kg m2 of pressure on the underside of the covers. The pressure is released and the fireball escapes through the vent into a safe area outside the facility. The xrv ic roof vent features a metal lid held in place by factory mutual approved explosion relief fasteners. Many blow out explosion and pressure relief panel systems are larger or heavier than nfpa 68 recommends for maximum performance.

What are the advantages of explosion vents. Cs explovent is the only field testable explosion and pressure relief vent system.