GB189808160A - Improvements in Safety Pressure Regulators. - Google Patents
Improvements in Safety Pressure Regulators.Info
- Publication number
- GB189808160A GB189808160A GB189808160DA GB189808160A GB 189808160 A GB189808160 A GB 189808160A GB 189808160D A GB189808160D A GB 189808160DA GB 189808160 A GB189808160 A GB 189808160A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- bellows
- pressure
- ports
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Safety Valves (AREA)
Abstract
8160. Williams, J. April 5. Pressure-regulating valves.-Within the chest A, having an inlet B, is arranged a sliding valve D pressed against its seat A' by a forked spring F the pressure thereon of which is adjusted by means of a screw F<1>. The valve has ports band c adapted to register with the outlet and exhaust ports a and d respectively. The valve is actuated by the bellows G communicating with the service pipe C. The rod H connecting the valve to the bellows is normally pressed downwards by a spring J bearing against the bellows and packing-gland. Fig. 1 shows the valve fully open. If, now, the pressure in the pipe C rises, the bellows expand and partially close the port a, at the same time opening the exhaust port d. If the service pipe bursts, the bellows collapse and the valve D descends, closing both ports a and d ; to open the valve again it is necessary to expand the bellows by hand. The stuffing-box I is preferably formed with an oil chamber therein. In a modification, the exhaust is dispensed with. This valve is applicable for use with gas, air, steam, water, and other fluids.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB189808160T | 1898-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB189808160A true GB189808160A (en) | 1898-07-16 |
Family
ID=32139905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB189808160D Expired GB189808160A (en) | 1898-04-05 | 1898-04-05 | Improvements in Safety Pressure Regulators. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB189808160A (en) |
-
1898
- 1898-04-05 GB GB189808160D patent/GB189808160A/en not_active Expired
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