by installing philadelphia safety device explosion relief doors, you eliminate the time and cost of membrane replacement forever. because unlike single use metal vents, psd gives you a real door. a door that maintains a positive seal until it opens under precise and predetermined pressure conditions. a door that once opened, remains open until you close it- with little force and no tools.

Products & Services

• • Philadelphia Safety Devices
  • Explosion Relief Doors Latches And Vents
• • Rupture Discs

Web Result

Site Guide

EXPLOSION RELIEF DOORS Explosion Relief Doors An explosion relief door is a door that maintains a positive seal until it opens under precise and predetermined pressure conditions. How Explosion Relief Doors Work Now you can protect your vessel and building contents more effectively, and put an end to expensive single use explosion vent and rupture disk replacement costs at the same time. Explosion...

http://www.philasafetydevices.com/siteguide.htm

Here is how it works

Instant response even at low pressures Now, you can protect vessel and building contents more effectively, and put an end to expensive, single-use explosion vent and rupture disk replacement costs at the same time. By installing PSD explosion relief doors, you eliminate the time and cost of membrane replacement forever. Because unlike single-use metal vents, PSD gives you a real door. A door that ...

http://www.philasafetydevices.com/homepage/works.html

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