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WIN WB-14 vacuum relief valves are used on liquid storage tanks and other process vessels or systems to prevent structural damage due to excess internal vacuum. Storage tanks are pressurized when liquid is pumped in, compressing the existing vapor or when rising temperatures cause increased evaporation or expansion of existing vapor. Conversely, a vacuum condition may be created when pumping out or due to falling temperature. To prevent tank damage, vapor must be allowed into or out of the tank at specified vacuum condition. The volume rate of venting depends upon the tank size, volatility of the tan contents, the pumping rates and the temperature. 

Available in

i. WB - 14A: Weight Loaded (Set Pressure 0.002 bar - 0.07 bar)

ii. WB - 14B: Spring Loaded (Set Pressure < 0.07 bar)

Vacuum Setting: -0.002 bar to -0.82 bar

Size: 2" to 12"

Material: Aluminium / Carbon Steel / Stainless Steel

Connection: ANSI / DIN

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WIN Vacuum Relief Valve (Pipe Away Type)

  • Product Code: WB14A / WB14B
  • Availability: In Stock

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