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US 11,681,308 B2Granted
Excess flow and thermal valve
AssigneeBrassCraft Manufacturing Company
InventorDaniel Hodges
Life of this patent
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Abstract
An excess flow and thermal valve assembly includes a valve housing, a valve carried in the housing and displaceable during excess flow conditions to reduce flow of fluid through the assembly, and an intumescent or intumescent material carried in the valve housing and expandable during excess temperature conditions to reduce flow of fluid through the assembly.
Claims15
An excess flow and thermal valve assembly, comprising:
- a valve housing;
- a valve seat carried in the valve housing, having a valve seal surface, and being at least partially composed of intumescent material;
- and
- a valve carried in the housing and movable against the valve seal surface of the valve seat to reduce flow of fluid through the excess flow and thermal valve assembly,
- wherein during excess flow conditions, the valve is displaceable against the valve seal surface of the valve seat to reduce flow of fluid through the excess flow and thermal valve assembly, and during excess temperature conditions, the intumescent material of the valve seat is expandable to reduce flow of fluid through the excess flow and thermal valve assembly.
2 more elements
Dependencies are inferred from the claim text.