GB834670A - Shut-off valve - Google Patents
Shut-off valveInfo
- Publication number
- GB834670A GB834670A GB3418856A GB3418856A GB834670A GB 834670 A GB834670 A GB 834670A GB 3418856 A GB3418856 A GB 3418856A GB 3418856 A GB3418856 A GB 3418856A GB 834670 A GB834670 A GB 834670A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- piston
- valve
- inlet
- chamber
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/246—Combination of a sliding valve and a lift valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
834,670. Valves. BRODIE CO., R. N. Nov. 8, 1956, No. 34188/56. Class 135. A shut-off valve comprises a valve body 6 having an inlet chamber 7 and an outlet chamber 8, flow from the inlet chamber to the outlet chamber being controlled by a piston 17 movable within a cylinder 10, which is seated within the body 6 to communicate with the inlet chamber 7 through an open inner end and with the outlet chamber through ports 12 in the cylinder wall. The piston is urged to a port closing position by a spring 21 and is arranged to be moved to and from a port closing position by subjecting its inner end to inlet or outlet pressure by means of a control valve 30 located in the cylinder head. The valve either admits inlet pressure to the upper end of the cylinder via tube 42 and passages 41<SP>1</SP>, 41, 34, 341, 3411 or exhausts the cylinder to outlet pressure via passages 34<SP>11</SP>, 341, 34, 35, 35<SP>1</SP>, 36. The rate of movement of the piston can be regulated by adjustable restrictors in the fluid passages 41<SP>1</SP> and 351. The cylinder, piston and control valve assembly can be removed from the valve body as a unit for repair and replacement. The control valve may be actuated manually by a lever 45 or it may be actuated by hydraulic or pneumatic pressure or by a solenoid or by any other conventional means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3418856A GB834670A (en) | 1956-11-08 | 1956-11-08 | Shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3418856A GB834670A (en) | 1956-11-08 | 1956-11-08 | Shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB834670A true GB834670A (en) | 1960-05-11 |
Family
ID=10362473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3418856A Expired GB834670A (en) | 1956-11-08 | 1956-11-08 | Shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB834670A (en) |
-
1956
- 1956-11-08 GB GB3418856A patent/GB834670A/en not_active Expired
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