Gate valve seat
US5836570A · kind A · utility
12Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Sep 25, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/0227
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is provided a gate valve arrangement consisting of at least one sealing ring defining a valve seat, and having a reciprocable gate plate in sealing contact with the valve seat, which effects a pressure seal in one direction on the seat and at the same time allowing the seat to vent in the opposite direction to relieve pressure within the gate valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.