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US 12,753,843 B2Granted
Dovetailed gate valve
AssigneeGartech, LLC
InventorsGary Pendleton, Gary Warren Stratulate
Life of this patent
Estimating the term…
Abstract
A gate valve includes a bonnet mated to a body and a stem extending through the bonnet and into the body. The gate valve also includes a seat positioned within the body and a gate, the gate positioned within the body and adapted to form a fluid seal with the seat. The gate includes two tapered seat wedges, the tapered seat wedges have a tapered side and a flat side and a dovetail gate, the dovetail gate positioned between the two tapered seat wedges, the tapered sides of the tapered seat wedges adjacent the dovetail gate.
Claims13
A gate valve comprising:
- a bonnet mated to a body;
- a stem extending through the bonnet and into the body;
- a seat positioned within the body;
- and
- a gate, the gate positioned within the body and adapted to form a fluid seal with the seat, the gate comprising:
- two tapered seat wedges, the tapered seat wedges have a tapered side and a flat side;
- and
- a dovetail gate, the dovetail gate positioned between the two tapered seat wedges, the tapered sides of the tapered seat wedges adjacent the dovetail gate;
- a spring receiver portion positioned on the dovetail gate;
- a plurality of blocks, the plurality of blocks partially positioned within the tapered seat wedges;
- and
- a spring, the spring connected between the spring receiver portion and the plurality of blocks.
9 more elements
A method comprising:
- supplying a gate valve, the gate valve including:
- a bonnet mated to a body;
- a stem extending through the bonnet and into the body;
- a seat positioned within the body;
- and
- a gate, the gate positioned within the body and adapted to form a fluid seal with the seat, the gate comprising:
- two tapered seat wedges, the tapered seat wedges have a tapered side and a flat side;
- a dovetail gate, the dovetail gate positioned between the two tapered seat wedges, the tapered sides of the tapered seat wedges adjacent the dovetail gate;
- a spring receiver portion positioned on the dovetail gate;
- a plurality of blocks, the plurality of blocks partially positioned within the tapered seat wedges;
- and
- a spring, the spring connected between the spring receiver portion and the plurality of blocks;
- and
- positioning the gate in the raised position, wherein in the raised position, the gate valve allows for fluid flow through the gate valve and the gate is not within the seat.
11 more elements
A gate valve comprising:
- a bonnet mated to a body;
- a stem extending through the bonnet and into the body;
- a seat positioned within the body;
- and
- a gate, the gate positioned within the body and adapted to form a fluid seal with the seat, the gate comprising:
- two tapered seat wedges, the tapered seat wedges have a tapered side and a flat side;
- a plurality of blocks, the plurality of blocks partially positioned within the tapered seat wedges;
- and
- a spring, which compresses against the plurality of blocks.
6 more elements
Dependencies are inferred from the claim text.