Pressure Vacuum Vent Model 548

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The Model 548 pressure/vacuum vent with gauge hatch is designed for “normal” venting of Aboveground Storage Tanks. It allows tanks to “breathe” during filling and withdrawing operations.
Pressure/Vacuum poppets seal vapors in the tank when pressure is equalized. This vent must be used in conjunction with an emergency vent and it is recommended.

Technical Data

Sesco SKU:tp-028 Category: Brand:

Available on backorder

Description

The Model 548 pressure/vacuum vent with gauge hatch is designed for “normal” venting of Aboveground Storage Tanks. It allows tanks to “breathe” during filling and withdrawing operations.
Pressure/Vacuum poppets seal vapors in the tank when pressure is equalized. This vent must be used in conjunction with an emergency vent and it is recommended.

 

Pressure/Vacuum Vent Setting Range

  • Model numbers: Model 548
  • Sizes Available: 2” and 3”
  • Connections: FNPT or NTP
  • Pressure: 8.6 to 79.0 mbar
  • Vacuum: 4.3 mbar

 

Materials of Construction

  • Poppet/Seat Material: Brass, Viton Foam on Brass
  • Body/Hood Material: Brass, Aluminum