Seat for gate valve
US5762320A · kind A · utility
14Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Aug 19, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/0236
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gate valve is disclosed which includes a modified valve seat designed to reduce stress concentrations and wear between the gate and the valve seat. The valve seat includes a relief groove positioned on the inner diameter of the valve seat relatively close to the seating surface of the valve seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.