EP3247927A1 - Robinet-vanne à sièges obliques - Google Patents

Robinet-vanne à sièges obliques

Info

Publication number
EP3247927A1
EP3247927A1 EP16703862.9A EP16703862A EP3247927A1 EP 3247927 A1 EP3247927 A1 EP 3247927A1 EP 16703862 A EP16703862 A EP 16703862A EP 3247927 A1 EP3247927 A1 EP 3247927A1
Authority
EP
European Patent Office
Prior art keywords
wedge
gate valve
rib
socket
valve according
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Withdrawn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
EP16703862.9A
Other languages
German (de)
English (en)
Inventor
Wojciech KRAWCZYK
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.)
Zetkama R&d Sp ZOO
Original Assignee
Zetkama R&d Sp ZOO
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 Zetkama R&d Sp ZOO filed Critical Zetkama R&d Sp ZOO
Publication of EP3247927A1 publication Critical patent/EP3247927A1/fr
Withdrawn legal-status Critical Current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
    • F16K3/30—Details
    • F16K3/316—Guiding of the slide
    • 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
    • F16K3/0263—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 using particular material or covering means
    • 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
    • F16K3/12—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 with wedge-shaped arrangements of sealing faces
    • 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
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle

Definitions

  • the object of the invention is a wedge-gate vaive with a body, having an inlet and an outlet with a flow zone between them, with a sealing wedge in the flow zone and with a sliding element cooperating with the contact surface of the wedge in a closed state.
  • Wedge gates with a soft seal of the wedge are used in water installations, industrial installations, sewage and gas installations. They function as a cut-off, i.e. they should operate in fully closed or fully open positions.
  • a gate valve with a soft seal of the wedge consisting of a frame closed with a cover, with a socket of which a suitably shaped wedge cooperates, said wedge sliding along a spindle through a trapezoidal thread located at its end and in the wedge assembly.
  • the spindle is mounted and sealed in the cover by means of a gland, and has a suitably shaped end which protrudes beyond the cover on which a controlling wheel or a gate controlling drive unit is put on. Rotation of the spindle performed by means of the wheel or the gate controlling drive unit causes sliding of the wedge assembly which is protected by guides against rotation located in the frame.
  • the gate is closed by pressing the wedge assembly with the spindle against the surface of the socket located inside the frame.
  • wedge gates with a soft seal are provided with a wedge assembly which constitutes a wedge and a threaded element formed as a metal forging or casting.
  • the wedge is made of cast iron covered with rubber, and the threaded element is made of brass.
  • a gate valve which has a four-part housing with a lower part of the housing to which a housing cover is mounted by means of screws.
  • the lower part of the housing and the housing cover, facing each other with two sides form openings, each having a thread.
  • a tubular body with a matching thread can be screwed into each of the two threads.
  • All the four parts form a tube.
  • the cross-section of the flow through this tube can be closed by means of a sliding element which can be lowered transversely from the housing cover relatively to the direction of the flow in the tube.
  • the gate valve has a rubber sealing insert.
  • the sealing insert has a cylindrical shape. Inside the sealing insert, the cross-section of the flow is substantially limited by means of metal rings, pushed into this insert. The metal rings serve to retain the undisturbed cross-section of the flow inside the sealing insert.
  • a gate valve is shown with a sliding element which has a groove on each side.
  • the sliding element When opening and closing the gate valve, the sliding element is guided by means of grooves through appropriate tracks in the housing of the gate valve.
  • the sliding element has a plastic coated core .
  • the core coating In the groove zone, the core coating is made of hard polymer to reduce friction.
  • the coating In the other zones in which the sliding element in the closed state rests against the cover, the coating is made of soft polymer. This ensures a good seal.
  • the disk gate valve has a slidable housing, divided into an upper part and a lower part.
  • a sealing element with a circular opening is built into the slidable housing. If it is necessary to replace the sealing element, the upper part of the housing can be removed from the lower part together with the sealing element. Then, the sealing element in the upper part of the housing can be replaced.
  • the sealing element has a separate transverse sealing which can be individually separated from the rest of the sealing element when disassembling the disk gate valve.
  • a gate valve construction in which the gate valve has a housing comprising a lower part and an upper part which are separated by a flange connection; a first side part comprising a housing inlet and a second side part comprising a housing outlet; clamp connections between said first side part and the lower and upper parts and between said second side part and the lower and upper parts, respectively; a sealing insert clamped between the lower part, the upper part and the first and second parts; and a sliding element adapted for sliding movement in the housing between a first position in which it establishes a barrier of the gate between the inlet and the outlet, and a second position in which the barrier of the gate is removed, wherein the sealing insert has an opening in front of said inlet and outlet, and furthermore, it has a contact surface adapted for sealingly contacting the sliding element when the sliding element is moved between the positions, and the sealing contact establishes a barrier of the gate when the sliding element is located in the first position.
  • the gate valve according to the invention is characterised in that the sealing insert comprises a rigid body permanently connected to zones of lower rigidity than the rigid body, wherein the zones of lower rigidity include said contact surface and clamp zones of the flange connection and zones clamped between the first side part and the lower and upper parts and between the second side part and the lower and upper parts.
  • the sealing insert comprises a rigid body permanently connected to zones of lower rigidity than the rigid body, wherein the zones of lower rigidity include said contact surface and clamp zones of the flange connection and zones clamped between the first side part and the lower and upper parts and between the second side part and the lower and upper parts.
  • the wedge-gate valve has a body with an inlet port and an outlet port, a socket provided in the body with surfaces of which a wedge cooperates, a closing cover connected to the body, in which a spindle is mounted sealed with a gland, wherein at the outer side, the spindle is controlled in a rotational manner, and at the opposite side, it is connected to the wedge.
  • the socket of the body is provided with a front slot and a rear slot
  • the wedge is provided with a front rib and a rear rib made of elastic material, wherein the front rib cooperates with the front slot of the body socket, and the rear rib cooperates with the rear slot of the body socket.
  • the wedge in a plane perpendicular to the plane defined by the axes of symmetry of the front and rear ribs, is provided with a left recess and a right recess in which a left guide and a right guide are press- fitted, wherein the guides are made of a low friction coefficient material and they cooperate with a left projection and a right projection of the valve body.
  • front rib and the rear rib are made of rubber.
  • front rib and the rear rib are made of plastic. It is also preferable when the left guide and the right guide are made of rubber.
  • the left guide and the right guide are made of plastic.
  • a nut cooperating with the threaded spindle is mounted in the wedge.
  • the nut is made of brass.
  • the wedge is made of cast iron and covered with rubber.
  • Fig. 1 shows the wedge-gate valve in a longitudinal section
  • Fig. 2 shows a section through the valve along the line A-A of Fig. 1
  • Fig. 3 shows the wedge in a side view
  • Fig. 4 shows the wedge in a section along the line C-C of Fig. 3
  • Fig. 5 shows the wedge in a section along the line B-B of Fig. 3
  • Fig. 6 shows the wedge in a perspective view.
  • the wedge-gate valve has a body 1 with an inlet port 2 and an outlet port 3.
  • the valve has a socket 4 provided in the body 1 with surfaces of which a wedge 5 cooperates, a closing cover 7 connected to the body 4, in which a spindle 6 is mounted sealed with a gland 8.
  • the spindle 6 is controlled in a rotational manner, and at the opposite side, it is connected to the wedge 5.
  • the wedge 5 is made of cast iron and covered from the outside with rubber.
  • the socket 4 of the body 1 is provided with a front slot 11 ' and a rear slot 12'
  • the wedge 5 is provided with a front rib 1 1 and a rear rib 12 made of elastic material, in this embodiment made of rubber, wherein the front rib 1 1 cooperates with the front slot 1 1 ' of the socket 4 of the body 1, and the rear rib 12 cooperates with the rear slot 12' of the socket 4 of the body 1.
  • the wedge is covered with rubber but it is obvious that in other embodiments it may be a different material with appropriate physicochemical properties, in particular, such as elasticity, ability to damp vibrations, resistance to chemical agents or the like. This material may be a suitable plastic material.
  • the front rib 11 and the rear rib 12 of the wedge 5 are made of the same material as the one covering the wedge 5.
  • the wedge 5 of the valve in a plane perpendicular to the plane defined by the axes of symmetry of the front rib 11 and the rear rib 12, is provided with a left recess 13' and a right recess 14', as shown in the embodiment of the invention in Fig. 2 and in Fig. 4.
  • the left recess 13' and the right recess 14' just like the whole wedge 5, are covered with rubber, and in these recesses 13' and 14', a left guide 13 provided in the left recess 13' and a right guide 14 provided in the right recess are additionally mounted.
  • the two guides, the left one 13 and the right one 14, are press-fit in the recesses and are made of a low friction coefficient plastic .
  • the left guide 13 and the right guide 14 cause the left recess 13' and the right recess 14' to slide on a left projection 13" and a right projection 14" of the body 1 of the valve.
  • This ensures smooth operation of the valve, and also, due to the low wear during operation, sufficiently high durability of the valve.
  • the valve of this type is expected to exhibit appropriately high durability which is estimated to last several decades of operation.
  • a nut 10 is mounted made of brass. This is to provide a low friction when the nut 10 operates during opening or closing of the valve.
  • the nut 10 has a shape designed so that during operation, having been mounted in the wedge 5, it cannot rotate.
  • the threaded spindle 6 is screwed into the nut 10, , which is rotated in the cover 7 by means of a controlling wheel 9 mounted on the outside of the valve.
  • the controlling wheel 9 can be actuated manually or through a remote-controlled mechanical actuator.

Abstract

La vanne selon l'invention, comporte un corps (1) pourvu d'un orifice d'entrée (2) et d'un orifice de sortie (3), une douille (4) disposée dans le corps (1), des surfaces de ladite douille coopérant avec l'opercule (5), un couvercle de fermeture (7) relié au corps (1), dans lequel une broche (6) est montée de manière étanche à l'aide d'un fouloir de presse-étoupe (8). Au niveau du côté externe la broche (6) est commandée en rotation, et au niveau du côté opposé, elle est reliée à l'opercule (5). La douille (4) du corps (1) est pourvue d'une fente avant (11') et d'une fente arrière (12'), et l'opercule (5) est pourvu d'une nervure avant (11) et d'une nervure arrière (12) constituées d'un matériau élastique, la nervure avant (11) coopérant avec la fente avant (I I') de la douille (4) du corps (1), et la nervure arrière (12) coopérant avec la fente arrière (12') de la douille (4) du corps (1).
EP16703862.9A 2015-01-22 2016-01-12 Robinet-vanne à sièges obliques Withdrawn EP3247927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL411031A PL226326B1 (pl) 2015-01-22 2015-01-22 Zawór zasuwowy klinowy
PCT/PL2016/000001 WO2016118024A1 (fr) 2015-01-22 2016-01-12 Robinet-vanne à sièges obliques

Publications (1)

Publication Number Publication Date
EP3247927A1 true EP3247927A1 (fr) 2017-11-29

Family

ID=55346167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16703862.9A Withdrawn EP3247927A1 (fr) 2015-01-22 2016-01-12 Robinet-vanne à sièges obliques

Country Status (4)

Country Link
EP (1) EP3247927A1 (fr)
EA (1) EA033365B1 (fr)
PL (1) PL226326B1 (fr)
WO (1) WO2016118024A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210048109A1 (en) * 2018-04-19 2021-02-18 Halliburton Energy Services, Inc. Gate valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1056642A (fr) * 1952-05-16 1954-03-01 App Pour Chaufferies Soc D Perfectionnement apporté à la construction des robinets-vannes
US2934313A (en) 1957-02-04 1960-04-26 Cameron Iron Works Inc Gate valve and seat assembly therefor
DE1650289B2 (de) * 1967-08-05 1973-08-16 Bopp & Reuther Gmbh, 6800 Mannheim Dichtung am plattexkeil eines absperrschiebers
US3662778A (en) * 1971-01-05 1972-05-16 Mueller Co Gate valve structure
PL111552B1 (en) 1977-12-13 1980-09-30 Akad Gorniczo Hutnicza Process for preparing thin coatings of metal carbides on sintered carbides
DK161781C (da) 1989-06-19 1992-01-20 Avk Maskinfab Skydeventil og fremgangsmaade til fremstilling af en hertil hoerende skyder
US5295661A (en) * 1990-12-17 1994-03-22 Velan Inc. Knife valve
CH686457A5 (de) 1992-08-11 1996-03-29 Sistag Platten-Schieber.

Also Published As

Publication number Publication date
PL226326B1 (pl) 2017-07-31
EA201791559A1 (ru) 2018-01-31
EA033365B1 (ru) 2019-10-31
WO2016118024A1 (fr) 2016-07-28
PL411031A1 (pl) 2016-08-01

Similar Documents

Publication Publication Date Title
EP3120054B1 (fr) Élément de fermeture d'un robinet-vanne
US20060278280A1 (en) Check valve
ES2229630T3 (es) Conjunto de corredera para una valvula de corredera de doble disco.
WO2016161529A8 (fr) Vanne pour commander un flux de fluide
WO2011038246A1 (fr) Vanne de régulation de débit à coin hémisphérique
US8251086B2 (en) Rotary gate valve with secondary seal
WO2016118024A1 (fr) Robinet-vanne à sièges obliques
RU2017113683A (ru) Переключающий клапан для системы предохранительных клапанов и система предохранительных клапанов
RU2675646C1 (ru) Клапан с низким коэффициентом трения
US20090057598A1 (en) Resilient Wedge Gate Valve
KR20090010273A (ko) 일체형 지지부를 갖는 체크밸브
KR20150013195A (ko) 게이트 밸브
CN107676499A (zh) 具有多道密封带除垢功能的阀门
KR20130121988A (ko) 밸브 조립체
KR200426895Y1 (ko) 이중 교체형 실링부가 구비된 3중편심 버터플라이 밸브
KR20090000062U (ko) 역압에 의한 누수를 방지한 버터플라이밸브
RU2611529C2 (ru) Клапан регулирующий
CN213361127U (zh) 一种高密封性的蝶阀
RU2603223C2 (ru) Устройство для регулирования перепада давления
KR101402900B1 (ko) 밸브 디스크 및 이를 사용한 버터플라이 밸브
US543692A (en) Harry e
KR20110011744A (ko) 밸브 시트와 디스크의 실링 구조
KR101315998B1 (ko) 나이프게이트 밸브의 나이프 패킹 밀착구
KR20240010017A (ko) 밸브용 코크 및 이러한 코크를 포함하는 밸브
KR102224605B1 (ko) 급수설비용 개폐장치

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20170626

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20190826

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20191209