Gate valve and seat insert for a gate valve
US10077844B2 · kind B2 · utility
6Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2017 |
| Grant date | Sep 18, 2018 |
| Priority date | — |
| Expiry date | May 25, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K27/044
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gate valve and a seat insert for a gate valve having a valve body, which may be used for hydrocarbon well fracturing operations with a fracturing fluid, or “frac fluid”, includes a seat pocket for receipt of the seat insert and a seat, which seat insert may include a tubular member having a first and a second seat insert end face, the first and second seat insert end faces each include at least one annular seal, and the seat insert is disposed in the seat pocket with the first seat insert end face sealed against the valve body and the second seat insert end face sealed against the seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.