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Series 7300D Overflow Valve

Brand: Protectoseal Company
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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
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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Specifications

Brand

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
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