FR2412768A1 - Shut-off valve made of plastics parts - has sliding sleeve controlled by spindles guided by helical slots to block flow through end - Google Patents

Shut-off valve made of plastics parts - has sliding sleeve controlled by spindles guided by helical slots to block flow through end

Info

Publication number
FR2412768A1
FR2412768A1 FR7835938A FR7835938A FR2412768A1 FR 2412768 A1 FR2412768 A1 FR 2412768A1 FR 7835938 A FR7835938 A FR 7835938A FR 7835938 A FR7835938 A FR 7835938A FR 2412768 A1 FR2412768 A1 FR 2412768A1
Authority
FR
France
Prior art keywords
shut
valve
sliding sleeve
helical slots
plastics parts
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.)
Withdrawn
Application number
FR7835938A
Other languages
French (fr)
Inventor
Giobatta Montagnese
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.)
MM Srl
Original Assignee
MM Srl
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 MM Srl filed Critical MM Srl
Publication of FR2412768A1 publication Critical patent/FR2412768A1/en
Withdrawn legal-status Critical Current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
    • F16K3/22—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
    • F16K3/26—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 with fluid passages in the valve member
    • F16K3/267—Combination of a sliding valve and a lift valve
    • 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
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/528—Mechanical actuating means with crank, eccentric, or cam with pin and slot

Abstract

The shut-off valve for liquids can be made completely of plastics parts and is suitable for corrosive fluids. The cylindrical valve body (11) has an inner liner (12) inside which slides the cylindrical valve member (17). This has a head (22) at the bottom with gaps (23) above it, through which the liquid can enter sideways, then travel through the centre (19). The valve is closed by moving the valve member (17) upwards until the head is in its upper closure position. This action is caused by pushing knobs (15) attached to the valve member upwards. The knobs are on spindles projecting from the valve member which are guided by helical slots (14) through the valve body.
FR7835938A 1977-12-21 1978-12-21 Shut-off valve made of plastics parts - has sliding sleeve controlled by spindles guided by helical slots to block flow through end Withdrawn FR2412768A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8355277A IT1097714B (en) 1977-12-21 1977-12-21 AXIAL INTERCEPTION VALVE

Publications (1)

Publication Number Publication Date
FR2412768A1 true FR2412768A1 (en) 1979-07-20

Family

ID=11322924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835938A Withdrawn FR2412768A1 (en) 1977-12-21 1978-12-21 Shut-off valve made of plastics parts - has sliding sleeve controlled by spindles guided by helical slots to block flow through end

Country Status (2)

Country Link
FR (1) FR2412768A1 (en)
IT (1) IT1097714B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977957A (en) * 1989-10-02 1990-12-18 Camco International Inc. Subsurface well safety valve with light weight components
EP0575451A1 (en) * 1991-03-21 1993-12-29 SVENIC AUSTRALIA PTY. Ltd. Injection flange
DE20204658U1 (en) * 2002-03-22 2003-07-31 Watts Dumser Gmbh & Co Kg Shut-off valve for central heating or air conditioning system has sloping groove) in its casing, valve body having pin mounted on it whose end slides along groove when it is turned, raising and lowering it
US11814822B2 (en) 2018-09-27 2023-11-14 Aalberts Integrated Piping Systems Limited Plumbing fitting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977957A (en) * 1989-10-02 1990-12-18 Camco International Inc. Subsurface well safety valve with light weight components
EP0575451A1 (en) * 1991-03-21 1993-12-29 SVENIC AUSTRALIA PTY. Ltd. Injection flange
EP0575451A4 (en) * 1991-03-21 1994-12-07 Svenic Australia Pty Ltd Injection flange.
DE20204658U1 (en) * 2002-03-22 2003-07-31 Watts Dumser Gmbh & Co Kg Shut-off valve for central heating or air conditioning system has sloping groove) in its casing, valve body having pin mounted on it whose end slides along groove when it is turned, raising and lowering it
US11814822B2 (en) 2018-09-27 2023-11-14 Aalberts Integrated Piping Systems Limited Plumbing fitting

Also Published As

Publication number Publication date
IT1097714B (en) 1985-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse