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Series 7300D Overflow Valve

Brand: Protectoseal Company
Protectoseal Series 7300D Overflow Valve eliminates an open overfill pipe connection into the vapor space of the tank.

The Series 7300D is not a primary pressure relief device. Its function is to provide sealing of a liquid overflow pipe against gross vapor or liquid leakage until the set point of the valve is reached.
Features
  • Mounts on storage tank overflow pipe
  • Vents directly to atmosphere
  • Sizes 2" (DN 50) through 12" (DN 300)
  • Pressure setting achieved by weight loading
  • Hinged/counterweight design allows for higher settings
  • Patented, FEP Film “Air-Cushioned Seating”
  • Low-Leak Pallet Design
  • Available in Carbon Steel, Stainless Steel, and C276
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Protectoseal Series 7300D Overflow Valve eliminates an open overfill pipe connection into the vapor space of the tank.

The Series 7300D is not a primary pressure relief device. Its function is to provide sealing of a liquid overflow pipe against gross vapor or liquid leakage until the set point of the valve is reached.
Features
  • Mounts on storage tank overflow pipe
  • Vents directly to atmosphere
  • Sizes 2" (DN 50) through 12" (DN 300)
  • Pressure setting achieved by weight loading
  • Hinged/counterweight design allows for higher settings
  • Patented, FEP Film “Air-Cushioned Seating”
  • Low-Leak Pallet Design
  • Available in Carbon Steel, Stainless Steel, and C276

Specifications

Enclosure, Body Material

  • 316 Stainless Steel
  • Alloy C-276 or Hastelloy
  • Carbon Steel

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 150#
  • 10” (DN 250) - PN 16

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 150#
  • 12” (DN 300) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150#
  • 3” (DN 80) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150#
  • 4” (DN 100) - PN 16

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 150#
  • 6” (DN 150) - PN 16

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 150#
  • 8” (DN 200) - PN 16