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GB877625A - Improvements in and relating to liquid discharge valves - Google Patents

Improvements in and relating to liquid discharge valves

Info

Publication number
GB877625A
GB877625A GB2786958A GB2786958A GB877625A GB 877625 A GB877625 A GB 877625A GB 2786958 A GB2786958 A GB 2786958A GB 2786958 A GB2786958 A GB 2786958A GB 877625 A GB877625 A GB 877625A
Authority
GB
United Kingdom
Prior art keywords
housing
valve
lever
engaging
shaft
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
GB2786958A
Inventor
George Allen
Douglas Michael Venison
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.)
Matthew Hall and Co Ltd
Original Assignee
Matthew Hall and Co Ltd
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 Matthew Hall and Co Ltd filed Critical Matthew Hall and Co Ltd
Priority to GB2786958A priority Critical patent/GB877625A/en
Publication of GB877625A publication Critical patent/GB877625A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/009—Methods or equipment not provided for in groups A62C99/0009 - A62C99/0081
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
    • F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

877,625. Valves. HALL & CO. Ltd., MATTHEW. Aug. 29, 1958, No. 27869/58. Class 135. A self-releasing valve, such as a deluge valve for use in a sprinkler system comprises a pivoted clapper 14 held closed against fluid-pressure by a primary pivoted lever 15, engaged at its free end by a secondary pivoted lever 16, in turn engaged by a third lever 21, attached to a shaft 10 journalled in the valve housing and normally prevented from rotating by a locking device. The locking device comprises a counterweighted lever 31 attached to the other end of the shaft 10 and having a detent engageable by a plunger rod 40 attached to a diaphragm 42 by which the rod 40 may be moved out of engagement with the detent on reduction of pressure in a trigger line connected to a port 34. Leakage from around the shaft 36, which has a pin 26 engaging a helical groove in the housing so that it moves axially in the housing as it is rotated is prevented in the position shown by a washer 14<SP>1</SP> engaging a seating 45 and in the open-position by a taper-collar 51 engaging a corresponding face formed in the housing. After operation the valve must be reset manually through an inspection cover.
GB2786958A 1958-08-29 1958-08-29 Improvements in and relating to liquid discharge valves Expired GB877625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2786958A GB877625A (en) 1958-08-29 1958-08-29 Improvements in and relating to liquid discharge valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2786958A GB877625A (en) 1958-08-29 1958-08-29 Improvements in and relating to liquid discharge valves

Publications (1)

Publication Number Publication Date
GB877625A true GB877625A (en) 1961-09-20

Family

ID=10266616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2786958A Expired GB877625A (en) 1958-08-29 1958-08-29 Improvements in and relating to liquid discharge valves

Country Status (1)

Country Link
GB (1) GB877625A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12025239B2 (en) 2021-05-18 2024-07-02 Viking Group, Inc. Dry pipe valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12025239B2 (en) 2021-05-18 2024-07-02 Viking Group, Inc. Dry pipe valve

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