WO2003106873A1 - Element de fermeture - Google Patents

Element de fermeture Download PDF

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Publication number
WO2003106873A1
WO2003106873A1 PCT/EP2003/005772 EP0305772W WO03106873A1 WO 2003106873 A1 WO2003106873 A1 WO 2003106873A1 EP 0305772 W EP0305772 W EP 0305772W WO 03106873 A1 WO03106873 A1 WO 03106873A1
Authority
WO
WIPO (PCT)
Prior art keywords
spindle
guide element
indicator
shut
head part
Prior art date
Application number
PCT/EP2003/005772
Other languages
German (de)
English (en)
Inventor
Willi Kumpf
Johann Wegele
Stefan Müller
Jan Martin
Renate Koob
Original Assignee
Iat Ingolstadt Armaturen Technologie Gmbh
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
Priority claimed from DE20209749U external-priority patent/DE20209749U1/de
Priority claimed from DE20215107U external-priority patent/DE20215107U1/de
Application filed by Iat Ingolstadt Armaturen Technologie Gmbh filed Critical Iat Ingolstadt Armaturen Technologie Gmbh
Priority to AU2003245904A priority Critical patent/AU2003245904A1/en
Publication of WO2003106873A1 publication Critical patent/WO2003106873A1/fr

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
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/06—Special arrangements for improving the flow, e.g. special shape of passages or casings
    • F16K1/10—Special arrangements for improving the flow, e.g. special shape of passages or casings in which the spindle is inclined to the general direction of flow
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008—Mechanical means
    • F16K37/0016—Mechanical means having a graduated scale

Definitions

  • the invention relates to a device for closing lines, in particular pipelines, with a shut-off body which can be moved relative to a seat and which, with the interposition of a guide element which is axially displaceable in a housing head part, is coupled or is operatively connected to a spindle which is rotatably received in the housing head part.
  • shut-off devices with a non-rising spindle have the advantage that the axial position of an actuating member attached to a free end of the spindle does not change when the latter rotates.
  • this has the disadvantage that the position of the actuating member cannot be inferred from the position of the shut-off body coupled to it.
  • the object of the invention is therefore to provide a device of the type described in the opening paragraph in which the opening state of the shut-off body can be recognized from the outside.
  • the object is achieved by a device having the features of claim 1.
  • the claimed shut-off device serves to control the flow through a line section. If the shut-off body is in contact with the associated seat, the flow through the line section is interrupted. If the shut-off body is lifted from the associated seat, the flow through the associated line section is possible.
  • the opening state of the shut-off body is continuously displayed by the display device.
  • the display device is coupled to the axially displaceable guide element.
  • a preferred exemplary embodiment of the device is characterized in that the display device has at least one projection provided on the guide element, which is guided in an elongated hole or a slot, which in turn extends in the axial direction in the housing head part.
  • the projection can be formed as a separate part or in one piece with the guide element.
  • the projection is visible from the outside and can move back and forth between the two ends of the elongated hole depending on the opening state of the shut-off device.
  • the position of the projection in the slot provides information about the opening state of the shut-off device.
  • a plurality of projections can also be guided in an elongated hole or slot.
  • the projection is formed by a screw which is screwed into a threaded bore in the guide element.
  • the threaded bore preferably runs in a radial direction with respect to the guide element.
  • Another preferred exemplary embodiment of the device is characterized in that an indicator sleeve is rotatably arranged between the guide element and the housing head part.
  • the indicator sleeve is used to close the slot on the inside.
  • the indicator sleeve serves, so to speak, as a privacy screen and at the same time prevents dirt from getting into the interior of the housing head part through the elongated hole.
  • a further preferred exemplary embodiment of the device is characterized in that the indicator sleeve has a helical recess through which the projection protrudes.
  • the helical recess ensures that the indicator sleeve is deformed when the projection is axially displaced. rotates. Only a small section of the helical recess is visible to the outside, namely the section through which the projection protrudes.
  • the indicator sleeve is not axially displaceable, but is rotatably mounted in the housing head part.
  • the indicator sleeve is colored differently on the two sides of the helical recess.
  • a display option for the open state of the shut-off body is created in addition or independently of the projection.
  • the indicator sleeve can be colored green on one side of the helical recess and red on the other side. When the shut-off body is open, only the green side of the indicator sleeve is then visible. When the shut-off body is closed, the indicator sleeve is twisted so that only its red side is visible through the elongated hole. The different colors also indicate whether the passage through the line section is partially or completely open or closed.
  • spindle is designed as a turned part with milled surfaces, in particular made of brass, and in that the guide element is designed as a turned part, in particular made of gunmetal.
  • the opening status display device is at least partially surrounded by a transparent protective wall.
  • the protective wall prevents dirt from the environment from getting into the interior of the closing device through the opening status display device, in particular through the elongated hole.
  • the protective wall is part of a protective sleeve which is arranged essentially coaxially with the spindle.
  • the protective sleeve is simple and inexpensive to manufacture and can be formed, for example, from a transparent plastic.
  • the protective sleeve essentially has the shape of a circular cylinder jacket, one end face of which surrounds or surrounds the spindle.
  • the protective sleeve can, for example, have a central opening through which the spindle protrudes.
  • the end face of the protective sleeve forms an end wall.
  • a further preferred exemplary embodiment of the device is characterized in that the opening status display device comprises a display ring which is coupled to the guide element.
  • the indicator ring is preferably designed and arranged so that it is clearly visible from all sides from the outside.
  • a further preferred exemplary embodiment of the device is characterized in that the indicator ring is coupled to the projection which is provided on the guide element. It is preferable if the indicator ring is attached to at least two projections which are arranged diametrically to one another. This prevents the indicator ring from tilting when the latter is axially displaced.
  • a further preferred exemplary embodiment of the device is characterized in that the housing head part is formed in two parts, the part with the opening status display device, in particular by complementary threads, being rotatable relative to the other part and with the aid of a fixing device, in particular a lock nut, relative to the other part is fixable.
  • the opening status display device in particular at least partially, is integrated in an actuating member, in particular a tap wheel, which is coupled to the shut-off body.
  • the opening status display device can, for example, have a display element which is arranged in a clearly visible manner at a central position of the device.
  • the display element can protrude from the center of a tap wheel, for example. This ensures that it is always clearly visible, regardless of the opening state of the device.
  • a further preferred exemplary embodiment of the device is characterized in that the spindle is hollow on the inside, and in that the opening state display device comprises an indicator shaft or indicator pin which is guided through the spindle on the inside and is coupled or cooperates with the guide element, and depending on the Position of the shut-off body with a free end protrudes more or less far from the spindle into a receiving space which is provided in the region of the actuating member or on the actuating member.
  • the indicator shaft can, for example, be completely accommodated in the spindle when the device is closed. When the device is opened, the guide element and the indicator shaft coupled to it are moved axially until it protrudes from the spindle.
  • the indicator shaft or indicator stick protrudes from the spindle, this is a sign that the device is open.
  • Another preferred exemplary embodiment of the device is characterized in that the indicator shaft is coupled to the guide element with the interposition of a spring, in particular a helical compression spring.
  • the spring forms a buffer that prevents damage to the device if the indicator shaft or indicator pin hits anywhere.
  • Another preferred exemplary embodiment of the device is characterized in that the spring is guided in a guide sleeve which, in particular at least partially, is guided in the spindle.
  • the spring guide sleeve serves on the one hand as a guide for the indicator shaft and on the other hand prevents the spring from undesirably buckling.
  • a further preferred exemplary embodiment of the device is characterized in that the receiving space for the free end of the display shaft is shielded from the surroundings by a viewing cap.
  • the viewing cap prevents dirt from the environment from getting inside the spindle.
  • the viewing or protective cap forms a stop for the indicator shaft when it moves out of the spindle.
  • the spindle and the guide element are hollow on the inside and comprise a pressure-tight cavity, the volume of which changes as a function of the position of the shut-off body and which is connected to a display space which is in the Area of the actuator or on the actuator is provided, and that a display element, in particular a display fluid is arranged in the pressure-tight cavity.
  • a display element in particular a display fluid is arranged in the pressure-tight cavity.
  • the display space is empty.
  • the display space increasingly fills with display fluid due to the increasing pressure in the cavity.
  • the fluid is colored and the color of the fluid changes as a function of the pressure in the cavity.
  • the display space can be arranged, for example, in the center of a tap wheel.
  • Figure 1 is a perspective view of a shut-off device according to an embodiment
  • FIG. 2 shows the view of a longitudinal section through the device from FIG. 1;
  • Figure 3 is an exploded view of the spindle guide according to an embodiment
  • Figure 4 is an exploded view of the device shown in Figures 1 and 2 with an indicator sleeve;
  • FIG. 5 shows the view of a longitudinal section through a closing device according to a further embodiment with a protective sleeve
  • FIG. 6 shows the view of a longitudinal section through a closing device according to a further embodiment with an indicator ring
  • FIG. 7 shows the view of a longitudinal section through a closing device according to a further embodiment with a rotatable head part; 8 shows the view of a longitudinal section through a closing device according to a further embodiment with an indicator shaft and
  • FIG. 9 shows the view of a longitudinal section through a closing device according to a further embodiment with a pressure-dependent opening status display device.
  • a housing 5 extends from the line section 1 and serves to receive a shut-off body with which the passage through the line section 1 can be interrupted.
  • the shut-off body located in the housing 5 is actuated with the aid of an actuating member 7, which is also referred to as a tap wheel.
  • an actuating member 7 which is also referred to as a tap wheel.
  • an indicator element 9 protrudes, which serves to indicate the opening state of the shut-off body in the housing 5.
  • an indicator sleeve 10 is visible through the elongated hole 8, which also serves to indicate the opening state of the shut-off body in the housing 5.
  • the words "open” and “closed” indicate the meaning of the associated positions of the indicator element 9.
  • the indicator member 9 is in the "1/2" position. This means that the passage through line section 1 is half open.
  • the tap wheel 7 is connected to a spindle 13 in a rotationally fixed manner by means of a screw 12.
  • the spindle 13 is rotatably mounted in a housing head part 15, which in turn is screwed to the housing 5.
  • the housing head part 15 is essentially circular cylindrical. forms, the elongated hole 8 extends in the longitudinal direction.
  • the end of the spindle 13 protruding into the housing head part 15 is equipped with an external thread 17 which interacts with an internal thread 19 which is formed in a substantially circular cylindrical guide sleeve 20. One end of the guide sleeve 20 is closed.
  • a central threaded bore is provided, which serves to receive a shoulder screw 22.
  • a cone seal 24 is attached to the closed end of the guide sleeve 20.
  • the cone seal 24 serves to close a through opening 26 in the line section 1.
  • the passage opening 26 is designed as a valve seat for the cone 23 and the cone seal 24.
  • the movement of the cone seal 24 with the cone 23 and the guide sleeve 20 during opening and closing of the through opening 26 is indicated by a double arrow 27.
  • the guide sleeve 20 is guided axially displaceably in the housing head part 15.
  • O-ring seals 29 and 30, which are arranged between the guide sleeve 20 and the housing head part 15, prevent water from getting into the housing head part 15 from the interior of the housing 5.
  • the housing head part 15 can also be formed in one piece with the housing 5.
  • the indicator member 9 is formed by a screw which is screwed into a threaded bore 32 which extends in the radial direction in the guide sleeve 20. If the tap wheel 7 and the spindle 13 connected to it in a rotationally fixed manner is rotated, this leads to an axial displacement of the guide sleeve 20 in the housing head part 15.
  • the indicator element 9 protruding from the housing head part 15 through the elongated hole 8 is coupled to the guide sleeve 20 and makes the latter axial Outward movement visible. If the cone seal 24 on the passage opening tion 26 is moved, the indicator member 9 moves in the slot 8 also down. When the conical seal 24 of the through opening 26 is moved away, the indicator element 9 also moves upward in the elongated hole 8.
  • the indicator element 9 indicates both the fully open and the completely closed position as well as all intermediate positions of the shut-off body during operation.
  • the outer circumferential surface of the guide sleeve 20 has a flat 34 at one end, in the center of which a threaded blind hole 35 is cut out.
  • the threaded blind hole 35 serves to receive the indicator element 9 designed as a screw.
  • the indicator element 9 is only screwed into the threaded blind hole 35 through the elongated hole 8 after the insertion of the guide sleeve 20 into the housing head part 15.
  • a spiral 40 is recessed in the indicator sleeve 10, through which the indicator element 9 projects in the assembled state.
  • the indicator sleeve 10 is divided by the coil into two halves 41 and 42 which are triangular in the unwound state.
  • the two halves 41 and 42 are preferably colored differently to indicate the opening state of the cone seal 24.
  • the indicator element 9 guided in the elongated hole 8 simultaneously forms an anti-rotation device for the guide sleeve 20.
  • FIGS. 5 to 9 are similar to the closing device shown in FIG. The same parts are provided with the same reference numerals, so that reference is made to the description of FIG. 2.
  • a housing 5 extends from the line section 1 and serves to receive a shut-off body with which the passage through the line section 1 can be interrupted.
  • the shut-off body located in the housing 5 is actuated with the aid of an actuating member 7, which is also referred to as a tap wheel.
  • an actuating member 7 which is also referred to as a tap wheel.
  • an indicator element 9 projects, which serves to indicate the opening state of the shut-off body in the housing 5.
  • the tap wheel 7 is rotatably connected to a spindle 13 by means of a screw 12.
  • the spindle 13 is rotatably mounted in a housing head part 15, which in turn is screwed to the housing 5.
  • the housing head part 15 is essentially circular-cylindrical, the elongated hole 8 running in the longitudinal direction.
  • the end of the spindle 13 projecting into the housing head part is equipped with an external thread 17 which interacts with an internal thread 19 which is formed in an essentially circular-cylindrical guide sleeve 20.
  • One end of the guide sleeve 20 is closed. In the closed end of the guide sleeve 20, a central threaded bore is provided, which serves to receive a shoulder screw 22.
  • a cone seal is attached to the closed end of the guide sleeve 20.
  • the conical seal 24 corresponds to the shut-off body and serves to close a through opening 26 in the line section 1.
  • the passage opening 26 is designed as a valve seat for the cone 23 and the cone seal 24.
  • the movement of the cone seal 24 with the cone 23 and the guide sleeve 20 when opening and closing the through opening 26 is indicated by a double arrow 27.
  • the guide sleeve 20 is guided axially displaceably in the housing head part 15.
  • O-ring seals 29 and 30, which are arranged between the guide sleeve 20 and the housing head part 20, prevent water from getting into the housing head part 15 from the interior of the housing 5.
  • the housing head part 15 can also be formed in one piece with the housing 5.
  • a protective sleeve 44 is placed on the housing head part 15.
  • the protective sleeve 44 essentially has the shape of a circular cylinder jacket, which covers the elongated hole 8 in the housing head part 15 and the indicator element 9 slidably received therein. This ensures that no dirt can get from the outside through the elongated hole 8 into the interior of the housing head part 15.
  • the protective sleeve 44 is made of a transparent material to ensure that the indicator member 9 is visible from the outside.
  • the end face of the protective sleeve 44 facing the line section 1 is open.
  • the end face of the protective sleeve 44 facing away from the line section 1 is closed off by an end wall which has a central opening through which the spindle 13 in turn projects.
  • the protective sleeve 44 is fixed on its end wall with the aid of a locking washer 45 in the axial direction.
  • the embodiment of the closing device shown in FIG. 6 largely corresponds to the embodiment shown in FIG. In the closing device shown in FIG. 6, however, two elongated holes 8a and 8b are arranged diametrically in the housing head part 15. In each of the elongated holes 8a, 8b, an indicator element 9a, 9b is received so as to be displaceable in the axial direction. A display ring 11 is attached radially on the outside of the indicator members 9a, 9b. The indicator ring 11 is thus arranged between the housing head part 15 and the protective sleeve 44. The transparent protective sleeve 44 ensures that the indicator ring 11 is clearly visible from all sides. In the closing device shown in FIG.
  • the housing head part 15 is formed in two parts, in contrast to the embodiment shown in FIG.
  • the two parts are designated in Figure 7 with 15a and 15b.
  • the housing head part 15a is equipped with an internal thread that is complementary to an external thread that is provided on the housing head part 15b.
  • the housing head part 15b is screwed into the housing head part 15a and fixed in a desired position with the aid of a lock nut 48.
  • the housing head part 15b is fixed with the help of the lock nut 48 so that the elongated hole 8 with the indicator element 9 arranged therein is clearly visible.
  • the spindle 13 is hollow on the inside.
  • the hollow spindle 13 is rotatably received in a two-part housing head part 15a, 15b.
  • the hollow spindle 13 is provided on the outside with an external thread 17 which is complementary to the internal thread 19 of a guide sleeve 20.
  • the guide sleeve 20 is also hollow on the inside and shifts in the axial direction when the spindle 13 is rotated.
  • a helical compression spring 50 At the closed end of the guide sleeve 20 there is a helical compression spring 50 which is received in a spring guide sleeve 51.
  • At the other end of the helical compression spring 50 there is an indicator pin 52 with one of its end faces.
  • the indicator pin 52 projects into the spring guide sleeve 51 at one end.
  • the other end of the indicator pin 52 projects through the center of the sprocket 7.
  • the guide sleeve 20 moves in the axial direction toward the sprocket 7.
  • This movement is transmitted via the helical compression spring 50 to the display pin 52, which is then moved with its free end into a display space 53 which is surrounded by a viewing cap 54, which is made of a transparent material. give is.
  • the viewing cap 54 is attached to the cock wheel 7 in a central position on the outside.
  • the housing head part 15b is closed towards the tap wheel 7 by a head piece insert 55, in which the hollow spindle 13 is rotatably mounted.
  • the spindle 13 is axially fixed relative to the head piece insert 55 by means of locking disks 56 and 57.
  • the housing head part 15a is sealed relative to a housing (not shown in FIG. 8) by an O-ring seal 58.
  • the conical seal 24 is not fastened with a screw, but with a nut 22 and a washer 25 at the end of the guide sleeve 20.
  • an O-ring seal 28 is provided radially on the outside, which is intended to prevent the passage of water.
  • the embodiment of the closing device shown in FIG. 9 largely corresponds to the embodiment shown in FIG. However, in the embodiment shown in FIG. 9, there is no indicator pin and no spring with a spring guide sleeve in the cavity formed inside the spindle 13 and the guide sleeve 20.
  • the cavity in the interior of the guide sleeve 20 and the spindle 13 and the interior of the viewing cap 54 form an accommodating space for a display fluid which is sealed off from the outside in a pressure-tight manner.
  • an O-ring seal 60 is arranged between the housing head part 15b and the head piece insert 55.
  • two O-ring seals 61 and 62 are provided between the head piece insert 55 and the spindle 13.
  • the closing device shown in FIG. 9 functions as follows: If the spindle 13 is rotated in the housing head part 15b by actuating the tap wheel 7, the guide sleeve 20 moves due to the interaction of the threads 17 and 19 in the axial direction in the housing head part 15b. This changes the size of the volume enclosed inside the guide sleeve 20 and the spindle 13.
  • This volume can either be filled with an incompressible fluid, which is pressed into the receiving space 53 when the tap wheel 7 is actuated and the axial movement of the conical seal 24 is coupled therewith, or is pulled out of the same. Instead, the volume can also be filled with a fluid, the color of which changes depending on the pressure. It is preferably a compressible medium which is arranged both in the cavity formed in the guide sleeve 20 and the spindle 13 and in the display space 53 in the interior of the viewing cap 54.
  • the opening status of the closing device can also be displayed electronically.
  • a display can be provided on which the opening state is visible or readable.
  • electronic display means can be coupled to the display pen 52 (see FIG. 8) or to a pressure sensor which can be arranged inside the spindle 13 (see FIG. 9).
  • the sensor can also be arranged in the display space 53 inside the viewing cap 54.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

Dispositif destiné à fermer des conduites, qui comporte un corps de fermeture (24) mobile par rapport à un siège (26). Ce corps de fermeture est couplé ou se trouve en coopération avec une broche (13) par l'intermédiaire d'un élément de guidage (20) mobile axialement dans une partie (15) de la tête de boîtier, ladite broche étant logée pivotante dans la partie (15) de la tête de boîtier. Selon la présente invention, ledit dispositif est doté d'un mécanisme (9) permettant de montrer l'état d'ouverture du corps de fermeture (24).
PCT/EP2003/005772 2002-06-18 2003-06-03 Element de fermeture WO2003106873A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003245904A AU2003245904A1 (en) 2002-06-18 2003-06-03 Shut-off element

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20209749.8 2002-06-18
DE20209749U DE20209749U1 (de) 2002-06-18 2002-06-18 Absperrorgan
DE20215107U DE20215107U1 (de) 2002-06-18 2002-09-25 Absperrorgan
DE20215107.7 2002-09-25

Publications (1)

Publication Number Publication Date
WO2003106873A1 true WO2003106873A1 (fr) 2003-12-24

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ID=29737822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/005772 WO2003106873A1 (fr) 2002-06-18 2003-06-03 Element de fermeture

Country Status (2)

Country Link
AU (1) AU2003245904A1 (fr)
WO (1) WO2003106873A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2068061A2 (fr) * 2007-12-04 2009-06-10 Apv Rosista Gmbh Dispositif d'actionnement d'une valve de processus à utiliser dans la technologie d'aliments
CN103104745A (zh) * 2012-11-14 2013-05-15 安徽铜都阀门股份有限公司 一种暗杆闸阀的行程指示装置
WO2014025527A1 (fr) * 2012-08-08 2014-02-13 T-3 Property Holdings, Inc. Volet de départ
CN104864169A (zh) * 2015-05-19 2015-08-26 河北金桥平衡阀门有限公司 一种多回转阀门启闭状态的显示装置
JP2016156442A (ja) * 2015-02-24 2016-09-01 株式会社キッツエスシーティー 高圧用ニードルバルブとこれを用いた水素ステーション
CN108662269A (zh) * 2018-07-14 2018-10-16 温州市欧睿阀门有限公司 一种精确导流的阀门

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1249377A (fr) * 1959-11-13 1960-12-30 Louis Thiriet Atel Robinet à soupape
DE3435198A1 (de) * 1984-01-19 1986-04-03 Ronald Manfred 8113 Kochel Meisel Vakuum/druck - feinregulierventil
DE3515752A1 (de) * 1985-05-02 1986-11-06 F.W. Oventrop Arn. Sohn Kg, 5787 Olsberg Strangregulierventil
DE4323101A1 (de) * 1993-07-10 1995-01-19 Richter Albert Ari Armaturen Regelmeßventil
GB2312731A (en) * 1996-05-02 1997-11-05 Hattersley Newman Hender Valve position indicator and stop
EP0915276A2 (fr) * 1997-11-07 1999-05-12 Aska Corporation Soupape d'acier inoxydable austenitique
US6089264A (en) * 1997-06-11 2000-07-18 Fs Engineering Fritz Spiess Flow meter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1249377A (fr) * 1959-11-13 1960-12-30 Louis Thiriet Atel Robinet à soupape
DE3435198A1 (de) * 1984-01-19 1986-04-03 Ronald Manfred 8113 Kochel Meisel Vakuum/druck - feinregulierventil
DE3515752A1 (de) * 1985-05-02 1986-11-06 F.W. Oventrop Arn. Sohn Kg, 5787 Olsberg Strangregulierventil
DE4323101A1 (de) * 1993-07-10 1995-01-19 Richter Albert Ari Armaturen Regelmeßventil
GB2312731A (en) * 1996-05-02 1997-11-05 Hattersley Newman Hender Valve position indicator and stop
US6089264A (en) * 1997-06-11 2000-07-18 Fs Engineering Fritz Spiess Flow meter
EP0915276A2 (fr) * 1997-11-07 1999-05-12 Aska Corporation Soupape d'acier inoxydable austenitique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2068061A2 (fr) * 2007-12-04 2009-06-10 Apv Rosista Gmbh Dispositif d'actionnement d'une valve de processus à utiliser dans la technologie d'aliments
EP2068061A3 (fr) * 2007-12-04 2009-07-01 Apv Rosista Gmbh Dispositif d'actionnement d'une valve de processus à utiliser dans la technologie d'aliments
WO2014025527A1 (fr) * 2012-08-08 2014-02-13 T-3 Property Holdings, Inc. Volet de départ
CN103104745A (zh) * 2012-11-14 2013-05-15 安徽铜都阀门股份有限公司 一种暗杆闸阀的行程指示装置
JP2016156442A (ja) * 2015-02-24 2016-09-01 株式会社キッツエスシーティー 高圧用ニードルバルブとこれを用いた水素ステーション
CN104864169A (zh) * 2015-05-19 2015-08-26 河北金桥平衡阀门有限公司 一种多回转阀门启闭状态的显示装置
CN108662269A (zh) * 2018-07-14 2018-10-16 温州市欧睿阀门有限公司 一种精确导流的阀门

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