GB1146317A - Fluid control valve stems - Google Patents
Fluid control valve stemsInfo
- Publication number
- GB1146317A GB1146317A GB2226066A GB2226066A GB1146317A GB 1146317 A GB1146317 A GB 1146317A GB 2226066 A GB2226066 A GB 2226066A GB 2226066 A GB2226066 A GB 2226066A GB 1146317 A GB1146317 A GB 1146317A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- stem
- valves
- rotatable
- axially
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Abstract
1,146,317. Valves. NEWMAN, HENDER & CO. Ltd. 28 April, 1967 [19 May, 1966], No. 22260/66. Heading F2V. [Also in Division B3] A valve operating stem, which is either itself adapted to be rotated to open and close the valve, or is adapted to be engaged by a rotatable member for moving the stem axially to open and close the valve, is made of axially distinct parts of metal welded together. The material of one part 2, for connection to the valve member and to be exposed to the controlled fluid, is chosen primarily for its corrosion resistance, e.g. an austenitic stainless steel, whereas another part 3, 4, for operating the stem from outside the valve and not exposed to the fluid, is chosen primarily for its mechanical strength, e.g. a martensitic steel. The parts are friction-welded at a joint 5. As shown, there is an additional optional friction welded joint 6 in the part 3, 4, to reduce wastage of material in manufacture. The stem is screwed at 7 to engage a fixed nut or a rotatable nut for moving the stem axially. The device is applied to a globe or gate valve, Figs. 2-4 (not shown), or to rotatable valves such as butterfly valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2226066A GB1146317A (en) | 1966-05-19 | 1966-05-19 | Fluid control valve stems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2226066A GB1146317A (en) | 1966-05-19 | 1966-05-19 | Fluid control valve stems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1146317A true GB1146317A (en) | 1969-03-26 |
Family
ID=10176487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2226066A Expired GB1146317A (en) | 1966-05-19 | 1966-05-19 | Fluid control valve stems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1146317A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189872A (en) * | 1986-04-28 | 1987-11-04 | Nupro Co | Bellows valve |
-
1966
- 1966-05-19 GB GB2226066A patent/GB1146317A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189872A (en) * | 1986-04-28 | 1987-11-04 | Nupro Co | Bellows valve |
| GB2189872B (en) * | 1986-04-28 | 1990-02-14 | Nupro Co | Valve |
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