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US 2016/0102766 A1Published application
Balanced Double Seated Globe Valve With Flexible Plub
AssigneeSPX Flow, Inc.
InventorsDavid C. RISTAU, Nathan T. HANSEN
Life of this patent
Estimating the term…
Abstract
A valve plug includes a cylinder, a first plug seat, a second plug seat, and a convoluted portion. The cylinder has a first and second end. The first plug seat is disposed at the first end. The second plug seat is disposed proximal to the second end. The convoluted portion is disposed between the first seat and the second seat. The convoluted portion provides flexibility for the cylinder to flex between the first plug seat and the second plug seat.
Claims20
A valve plug comprising:
- a cylinder having a first and second end;
- a first plug seat disposed at the first end;
- a second plug seat disposed proximal to the second end;
- and
- a convoluted portion disposed between the first seat and the second seat, the convoluted portion providing flexibility for the cylinder to flex between the first plug seat and the second plug seat.
2 more elements
A trim for a globe valve, the trim comprising:
- a cage having:
- a first cage seat disposed proximal to a first end of the cage;
- an opening disposed above the first cage seat;
- and
- a second cage seat disposed above the opening;
- and
- a valve plug having:
- a cylinder having a first and second end;
- a first plug seat disposed at the first end, the first plug seat being configured to mate with the first cage seat;
- a second plug seat disposed proximal to the second end, the second plug seat being configured to mate with the second cage seat;
- and
- a convoluted portion disposed between the first seat and the second seat, the convoluted portion providing flexibility for the cylinder to flex between the first plug seat and the second plug seat.
9 more elements
A globe valve comprising:
- a body;
- a cage disposed in the body, the cage having:
- a first cage seat disposed proximal to a first end of the cage;
- an opening disposed above the first cage seat;
- and
- a second cage seat disposed above the opening;
- and
- a valve plug having:
- a cylinder having a first and second end;
- a first plug seat disposed at the first end, the first plug seat being configured to mate with the first cage seat;
- a second plug seat disposed proximal to the second end, the second plug seat being configured to mate with the second cage seat;
- and
- a convoluted portion disposed between the first seat and the second seat, the convoluted portion providing flexibility for the cylinder to flex between the first plug seat and the second plug seat.
10 more elements
Dependencies are inferred from the claim text.