PRESSURE RELIEF VALVE (WB10,WB13)

· Pressure relief valves are used on liquid storage tanks and other process vessels or systems to prevent structural damage due to excess internal pressure.
· Storage tanks are pressurized when liquid is pumped in, compressing the existing vapor or when rising temperatures cause increase devaporation or expansion of existing vapor.
· To prevent tank damage, vapor must be allowed into or out of the tank at specified pressure condition.The volume rate of venting depends upon the tank size, volatility of the tank contents, the pumping rates and the temperature.

VACUUM RELIEF VALVE (WB11,WB14)

· 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 tank contents, the pumping rates and the temperature.

  • Vacuum Setting : -22mm H2O to -8,400mm H2O
  • Size : 2” through 12”
  • Available in Aluminum, Carbon Steel, Stainless Steel.
  • Other size and material to be consulted by factory.

PRESSURE VACUUM RELIEF VALVE (WB12,WB15)

· Pressure / 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 tank contents, the pumping rates and the temperature.

  • Pressure Setting : 22mm H2O to 10,000mm H2O
  • Size : 2” through 12”
    -Available in Aluminum, Carbon Steel, Stainless Steel.
  • Other size and material to be consulted by factory.

PRESSURE VACUUM RELIEF VALVE WITH FLAME ARRESTER (WBF60,WBF70)

· A combination of the model WB12, WB15 pressure vacuum relief valve and model WF21 flame arrester make up the model WBF60, WBF70.
· The model WBF70 combination units are used for pressure vacuum relief where vapors must be piped away.
· The bank assemblies are designed of wafer design for easy removal from the housing to facilitate inspection and cleaning.

  • Pressure Setting : 22mm H2O to 10,000mm H2O
  • Size : 2” through 12”
  • Flame Element : Proven Spiral wound, crimped ribbon design
  • Available in Aluminum, Carbon Steel, Stainless Steel.
  • Other size and material to be consulted by factory.
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