Series 53300 & 51600 Emergency Pressure Manhole Cover Vents

Provides emergency pressure relief and convenient access for tank cleaning when installed on the manhole flange of a storage tank.  Under emergency conditions (tank involved in a fire) the vent opens fully to allow escape of vapors and prevent over-pressurization of the tank.  Series 53300 Vents have their cover tethered to the base for manual resetting. Series 51600 Vents feature an automatically resetting cover with a counterweight which allows higher pressure settings.
  • Vents directly to atmosphere.
  • 53300 includes bonding wire which prevents loss of cover
  • Easy removal of cover allows for tank access.
  • 51600 Hinged/counterweight design allows for higher settings.
  • Patented,FEP film "Air-Cushioned Seating".
     
Sizes: 16" (DN400) through 24" (DN600)
Flange Pattern: ANSI or API Standard, DIN Optional
Material/Construction:
* Carbon Steel      * Aluminium      * Stainless Steel      * AlloyC276      * FRP (53300 only)      
* Special Coating      * Spring-Loaded      * Steam-Jacketed (base only)      

PRODUCT ID: 53300 & 51600 Series


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