GB1436749A - Reciprocating valves - Google Patents

Reciprocating valves

Info

Publication number
GB1436749A
GB1436749A GB3887273A GB3887273A GB1436749A GB 1436749 A GB1436749 A GB 1436749A GB 3887273 A GB3887273 A GB 3887273A GB 3887273 A GB3887273 A GB 3887273A GB 1436749 A GB1436749 A GB 1436749A
Authority
GB
United Kingdom
Prior art keywords
valve
sleeve
handwheel
piston
valve member
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
GB3887273A
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
Publication of GB1436749A publication Critical patent/GB1436749A/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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

1436749 Valves R M FAIRWEATHER 16 Aug 1973 [18 Aug 1972] 38872/73 Heading F2V A valve having a diaphragm valve member 51 reciprocated between open and closed positions by a piston 5 in response to fluid pressure applied above and below it in cylinder 6, is characterized by secondary actuating means in the form of a handwheel 20. The piston is provided with a pair of piston-rods, one 8 connected to the valve member and the other 12 threaded to co-operate with a sleeve 13 connected to the handwheel. When the valve is fluidically actuated, the rods 12 and 13 reciprocate through a gland 14. Should the fluid supply fail, the valve member may be manually moved by rotating the handwheel. At first the sleeve 13 rotates until a flange 17 abuts the end cap 15, and thereafter the spindle 12 moves down to close the valve. When the flange 17 abuts the end cap a U-shaped sleeve (35) (Fig. 2, not shown) may be placed around the sleeve 13 so that the valve can be activated manually only.
GB3887273A 1972-08-18 1973-08-16 Reciprocating valves Expired GB1436749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPB012972 1972-08-18

Publications (1)

Publication Number Publication Date
GB1436749A true GB1436749A (en) 1976-05-26

Family

ID=3765265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3887273A Expired GB1436749A (en) 1972-08-18 1973-08-16 Reciprocating valves

Country Status (2)

Country Link
AU (1) AU470686B2 (en)
GB (1) GB1436749A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928800A1 (en) * 1978-07-25 1980-02-07 Saunders Valve Co Ltd DIAPHRAGM VALVE
US4650151A (en) * 1983-01-10 1987-03-17 Fmc Corporation Subsea gate valve actuator with external manual override and drift adjustment
US4696452A (en) * 1983-01-28 1987-09-29 Ebara Corporation Trip throttle valve
GB2497401A (en) * 2011-12-06 2013-06-12 Vetco Gray Inc Power assisted gate valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928800A1 (en) * 1978-07-25 1980-02-07 Saunders Valve Co Ltd DIAPHRAGM VALVE
US4316482A (en) * 1978-07-25 1982-02-23 Saunders Valve Company Limited Diaphragm valves
US4650151A (en) * 1983-01-10 1987-03-17 Fmc Corporation Subsea gate valve actuator with external manual override and drift adjustment
US4696452A (en) * 1983-01-28 1987-09-29 Ebara Corporation Trip throttle valve
GB2497401A (en) * 2011-12-06 2013-06-12 Vetco Gray Inc Power assisted gate valve
GB2497401B (en) * 2011-12-06 2014-01-22 Vetco Gray Inc Power assisted manual valve system

Also Published As

Publication number Publication date
AU5922473A (en) 1975-02-20
AU470686B2 (en) 1976-03-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee