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Morrison Bros 3" 12oz/sq.in Pressure Vacuum Vent, Brass Internals w/Dryer Connection
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Morrison Bros 3″ 12oz/sq.in Pressure Vacuum Vent, Brass Internals w/Dryer Connection

Original price was: $927.59.Current price is: $816.28.

Pressure vacuum vent designed for installation on top of the vent pipe of an aboveground storage tank. Poppets seal vapors in the tank when pressure is equalized. The vent allows the tank to breathe during filling and dispensing operations. This vent must be used in conjunction with an emergency vent. It is recommended that the opening pressure setting is set below that of the emergency vent so the normal vent operates first. Settings are approximate.

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SKU: 748A4500AV Categories: ,
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Standard Features

Vents outward and upward in compliance with NFPA 30

Tri-polar mounting screws for mounting exhaust hood in any of three positions

Optional dryer connections accommodate the installation of desiccant dryers on vacuum connection

Optional pressure discharge hood facilitates piping pressure relief to desired discharge point


Construction Details

  • Body and hood: Aluminum
  • Poppets: Brass
  • Seats: Passivated aluminum
  • Screens: Stainless steel
Weight 14.5 lbs

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Morrison Bros 3" 12oz/sq.in Pressure Vacuum Vent, Brass Internals w/Dryer ConnectionMorrison Bros 3″ 12oz/sq.in Pressure Vacuum Vent, Brass Internals w/Dryer Connection
Original price was: $927.59.Current price is: $816.28.
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