GB191201137A - Improvements in and relating to Stop-valves for Steam and other Fluids. - Google Patents

Improvements in and relating to Stop-valves for Steam and other Fluids.

Info

Publication number
GB191201137A
GB191201137A GB191201137DA GB191201137A GB 191201137 A GB191201137 A GB 191201137A GB 191201137D A GB191201137D A GB 191201137DA GB 191201137 A GB191201137 A GB 191201137A
Authority
GB
United Kingdom
Prior art keywords
valve
sliding member
seatings
plunger
sliding
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
Application number
Inventor
William Henry Greatorex
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191201137A publication Critical patent/GB191201137A/en
Expired legal-status Critical Current

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
    • F16K3/02—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 flat sealing faces; Packings therefor
    • F16K3/0209—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 flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

1137. Greatorex, W. H. Jan. 15. Sliding valves. - A screw - actuated sliding valve in which the valve is pressed against its seating by fluid pressure has the sliding member so constructed that the valve seatings are not left exposed to the action of the fluid. In the sliding member 10, actuated by the hand-wheel 11, is formed a through aperture, the diameter of which is greater than that of the passages 1, 2, and in this aperture a doublefaced valve is situated. The valve comprises a drum 17, one end of which forms or carries a valve face 19 and a cylindrical block 21 with lugs 22, against which bears a ring 23, separated by packing from the ring 24 forming the second. valve face. The block 21 is provided with ports 25 to admit fluid to the annular recess 18, whereby the valve faces are pressed outwards against their seats. The sliding member 10 has a forked extension 12, between the arms of which slides a spring-operated plunger 13 provided with flanges 15. As the valve is opened, the sliding member 10 is followed by the plunger 13 until the flanges 15 contact with the casing, in which position the plunger protects the lower portion of the seatings; while, when the valve is fully opened, the upper part of the extension 12 protects the remaining portion of the seatings. The posts 7 are marked at 26 to indicate the minimum desirable opening of the valve.
GB191201137D 1912-01-15 1912-01-15 Improvements in and relating to Stop-valves for Steam and other Fluids. Expired GB191201137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191201137T 1912-01-15

Publications (1)

Publication Number Publication Date
GB191201137A true GB191201137A (en) 1912-03-21

Family

ID=32367514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191201137D Expired GB191201137A (en) 1912-01-15 1912-01-15 Improvements in and relating to Stop-valves for Steam and other Fluids.

Country Status (1)

Country Link
GB (1) GB191201137A (en)

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