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US 10,877,498 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.
Claims20
An excess flow and thermal valve assembly, comprising:
- a valve housing;
- a valve seat carried in the valve housing and having a valve seal surface;
- a valve carried in the valve 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;
- and
- an intumescent carried in the valve housing on a side of the valve seat axially opposite that of the valve seal surface,
- 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 is expandable to reduce flow of fluid through the assembly.
3 more elements
Dependencies are inferred from the claim text.