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Transfer Tank Pressure Vacuum Cap

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T-CA Transfer Tank Pressure Vacuum Cap

Available With or Without 2 in. NPT Base

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Select Model & Quantity:

Model # Description Price Qty
I-ADAPTER Transfer Tank Pressure Vacuum Cap 2 in. NPT Base (Base Only) $11.30
I-CAP Transfer Tank Pressure Vacuum Cap (Cap Only) $21.00
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TOPS - T-CA - Transfer Tank Pressure Vacuum Cap

The Pre-Vent pressure cap is designed for use on small above ground farm tanks, commercial gasoline tanks, distillate tanks, fuel transfer tanks, small oil storage tanks, and industrial oil transfer tanks. The Pre-Vent helps to maintain fuel quality by reducing condensation and evaporation loss. It's designed to divert rain and condensation away from the fill hole.


  • Allows up to 30 GPM Fluid Removal
  • Pressure Cap Valve Opens at 2.5 lbs to Reduce Pressure, While the Vacuum Release Opens at 1.5 Oz. When the Tank Closes
  • Designed for 2 in. NPT Tank Opening
  • Helps Maintain Fuel Quality by Reducing Evaporation and Condensation Loss
  • Designed to Divert Rain and Condensation Away from Fill Hole
  • Limits the Release of Vapors that Escape into the Atmosphere, Protecting the Environment