4. Fluid handling
  5. Line condition change responsive valves
  6. Pilot or servo controlled

Knappco Corporation

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Adjustable emergency relief vent with surge protection

Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent

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High flow internal emergency valve

Valves and valve actuation – With correlated flow path – Tank
Patent

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Relief valve with overturn surge control for storage tank

Fluid handling – Control by change of position or inertia of system – Vent opening or closing on tipping container
Patent

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