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1088 – Cashco tank blanketing valve

Balanced trim, 100% verified setpoint

Tank blanketing, also referred to as tank padding or make up, is the process of applying a gas (nitrogen) to the empty space in a storage tank.

The Model 1088 is a valve specifically designed for small tank blanketing applications. It opens and closes automatically as required, to maintain a closely controlled blanket pressure. Standard valve material provides added corrosion protection at no additional cost. The simple design increases reliability and lowers maintenance cost.

Other common names for N2 Blanketing valves are inert gas blanketing valves and low pressure reducing valves.

Storage Tank Protection Equipment by Cashco Inc.


Cashco Tank blanketing valve (first product to the left)

Tank blanketing, also referred to as tank padding or make up, is the process of applying blanket of an inert gas (nitrogen) in the vapour space above the liquid in a closed storage tank. Inert gas blanketing valve works as primary vacuum relief. The inert gas is supplied at a required pressure during pump off or thermal contraction events in order to prevent air and moisture from entering into the tank and thus control and prevent the fire. The other common names for N2 Blanketing valve are Inert gas blanketing valve and low pressure reducing valve.

Cashco offer two types of tank blanketing valves:
• Spring operated valve (Model 1088)
• Pilot operated valve (Model 1078)


  • Compact & light weight
  • Balanced Design
  • Connections:
    ½” FNPT
    ½” 150# or 300# RF Flanges with Nipples Threaded
  • Supply Pressure 0.68 to 13,78 bar
  • Set Point is where valve closes
  • 3 sensing options:
    Internal Sensing
    Remote sensing
    Integral dip tube sensing
  • Bottom Entry Design
  • Settings from 0.015 bar Vac. to 0.97 bar
  • Self-cleaning flow design