CN107061764B - Moment shut-off valve - Google Patents
Moment shut-off valve Download PDFInfo
- Publication number
- CN107061764B CN107061764B CN201710443962.8A CN201710443962A CN107061764B CN 107061764 B CN107061764 B CN 107061764B CN 201710443962 A CN201710443962 A CN 201710443962A CN 107061764 B CN107061764 B CN 107061764B
- Authority
- CN
- China
- Prior art keywords
- valve
- button
- valve rod
- supporting element
- hole
- 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.)
- Active
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
- 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
- F16K1/32—Details
-
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- 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
- F16K31/60—Handles
-
- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of moment shut-off valves, including valve body and valve rod, the valve body is equipped with upper chamber's connector, lower chambers connector and valve rod installing port, valve seat is equipped in the valve chamber of the valve body, valve deck is fixedly installed on the valve rod installing port, the valve rod passes through the valve rod hole on the valve deck, its lower end is connected with the flap that shut-off valve sealing pair is constituted with the valve seat, the top of the valve deck is equipped with manipulation pedestal, the first fixed supporting element is equipped in the shell of the manipulation pedestal, second supporting element, first supporting element is equipped with the vertical through holes as supporting element valve rod hole, the valve rod passes through the supporting element valve rod hole, its top is equipped with shutdown button, it slides vertically to be connected on second supporting element and release the button.Traditional turnstile or handle operation are changed to the push-botton operation of rectilinear direction by the present invention, reduce the operation time used in the case where valve rod mobile identical displacement, easy to operate and be able to achieve moment handoff functionality.
Description
Technical field
The present invention relates to a kind of shut-off valve, in particular to a kind of can be realized quickly is opened and the shutdown of the moment of break-in facility
Valve.
Background technique
Shut-off valve in the prior art mostly uses the mode of rotation hand wheel or handle, open with truncation required one it is slow
Slowly the process changed reacts slow and inconvenient for operation, while also increasing the possibility of leakage, and leakproofness is not good enough；On the other hand
There is the risk accidentally touched in exposed handwheel or handle.
Summary of the invention
In order to solve the above technical problems, can be realized the present invention provides a kind of moment shut-off valve and quickly open and be truncated
Function, and can effectively avoid accidentally touching risk.
The technical scheme is that
A kind of moment shut-off valve, including valve body and valve rod, the valve body be equipped with upper chamber's connector, lower chambers connector and
Valve rod installing port, the valve chamber of the valve body is interior to be equipped with valve seat, is fixedly installed with valve deck on the valve rod installing port, the valve rod is worn
The valve rod hole on the valve deck is crossed, lower end is connected with the flap that shut-off valve sealing pair is constituted with the valve seat, the valve deck
Top is equipped with manipulation pedestal, is equipped with the first fixed supporting element, the second supporting element in the shell of the manipulation pedestal, and described first
Supporting element is equipped with the vertical through holes as supporting element valve rod hole, and the valve rod passes through the supporting element valve rod hole, top peace
Equipped with shutdown button, radially slides on first supporting element and be connected with what mandril and being equipped with pushed away the mandril to radially inner side
Precompressed push rod spring, the valve rod are equipped with locating groove matched with the mandril, vertical on second supporting element
Slidably connect release the button and for reset of releasing the button reset spring, second supporting element be equipped with for institute
The column that vertical line of releasing the button is slidably connected, the pore equipped with open at its lower end of releasing the button are stated, the column is plugged on institute
It states in the pore released the button, with the clearance fit of releasing the button, the lower part released the button is equipped with and extends radially inwardly
Unlatching push rod out, the inner side end of the shutdown push rod are inclined-plane upward, and the inner side end for opening push rod is downward
Inclined-plane, it is described shutdown push rod inner side end be located at it is described open push rod inner side end top.
The invention has the benefit that
Due to using shutdown button and realization of releasing the button be truncated with it is open-minded, it is easy to operate and be swift in response, can be effective
Flow loss caused by preventing in handoff procedure, and effect can be well sealed；Due to the shutdown button and described open
It opens button to be located in the upper cover, it is possible to prevente effectively from accidentally touching, guarantees using effect.
Detailed description of the invention
Fig. 1 is embodiment of the present invention cross-sectional view；
Fig. 2 is shown in Fig. 1 of the present invention II partial enlarged view；
Fig. 3 is embodiment of the present invention valve body cross-sectional view.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, the present invention relates to a kind of moment shut-off valve, including valve body 18 and valve rod 4, the valves
Body 18 is equipped with upper chamber's connector 33, lower chambers connector 31 and valve rod installing port 32, is equipped with valve in the valve chamber of the valve body 18
Seat 34 is fixedly installed with valve deck 19 on the valve rod installing port 32, and the valve rod 4 passes through the valve rod hole on the valve deck 19,
Lower end is connected with the flap that shut-off valve sealing pair is constituted with the valve seat 34, and the top of the valve deck 19 is equipped with manipulation pedestal 13,
The first fixed supporting element, the second supporting element are equipped in the shell of the manipulation pedestal 13, first supporting element, which is equipped with, to be used
Make the vertical through holes of supporting element valve rod hole, the valve rod passes through the supporting element valve rod hole, and top is equipped with shutdown button 3,
To allow the movable connection method radially slided relative to the first supporting element to be connected with mandril 8 and be equipped on first supporting element
The precompressed push rod spring 7 that the mandril 8 is pushed away to radially inner side, it is matched with the mandril fixed that the valve rod 4 is equipped with
Position card slot, the height of the locating groove is the height blocked just by the mandril 8 under valve off state, described second
Slid vertically on supporting element be connected with release the button 2 and for reset of releasing the button reset spring 20, it is described second support
Part is equipped with column for being slidably connected with the vertical line of releasing the button, 2 pores for being equipped with open at its lower end of releasing the button,
The column be plugged on it is described release the button 2 pore in, and 2 clearance fits of releasing the button are described to release the button under 2
Portion is equipped with the unlatching push rod 6 extended radially inwardly out, and the inner side end of the shutdown push rod is inclined-plane upward, and the unlatching pushes away
The inner side end of bar is inclined-plane directed downwardly, and the inner side end of the shutdown push rod is located at the upper of the inner side end for opening push rod
Side, i.e., in the off case, at least part in the inner side end for opening push rod are located at the inside of the shutdown push rod
The underface of end face is in other words on motion profile, and during the unlatching push rod moves down, inner side end can be proper
It is pressed in well on the inner side end of shutdown push rod.
In use, can be water inlet with upper chamber's connector 33, connection water inlet side ducts, with lower chambers company
Interface 31 is water outlet, and connection water outlet side ducts press shutdown button, and valve rod drives the flap to move at the valve seat 34,
The sealing surface of flap is tightly pressed together by the thus pressure difference of upper and lower cavity with sealing surface of seat, is cut off through valve seat central through hole
Medium flow channels, valve close, press and release the button, and the resetting-mechanism being arranged on valve rod overcomes described in the drive of upper and lower cavity pressure difference
Valve rod 4 moves up, and then drives the flap to moving up, valve opening.
Traditional turnstile or handle operation are changed to the push-botton operation of rectilinear direction by the present invention, identical in valve rod movement
Displacement in the case where reduce the operation time used, it is easy to operate and be able to achieve moment handoff functionality.
The valve deck 19 is threadedly attached in 32 top of valve rod installing port, and the 19 lower outer circumferential face of valve deck is set
There is chamfering, the valve deck 19 can be freely disassembled, and facilitate the maintenance or replacement inner components of valve inner.It can according to need
The valve deck 19 is set as stairstepping, different ladder sections is designed as different shapes, such as by 19 lowest part one of valve deck
Section is set as smooth cylindrical in order to which the valve deck to be packed into the valve rod installing port 32, smooth cylindrical lower end outer circle
Circumferential surface sets chamfering, on the one hand facilitates installation, on the other hand can also prevent plowing from valve body, set close to the smooth cylindrical top
It is calculated as shape of threads and is used to connect the valve rod installing port 32, then one section above is designed as regular hexagon structure in order to use spanner
Equal tools are fastened or are dismantled.
Preferably, the valve chamber is divided into upper chamber and lower chambers, the upper chamber and the cavity of resorption by the valve seat 34
Room is connected to by the center through hole of the valve seat 34, and the flap is located in the upper chamber.
Preferably, cover board 5 is additionally provided on the manipulation pedestal, the cover board 5 is located at first supporting element and second
The top of support member, the cover board 5 are equipped with the vertical through holes for being used as shutdown button hole and the vertical through holes as hole of releasing the button,
The shutdown button 3 passes through the shutdown button hole, exposes from the upper surface of the cover board 5, described to release the button 2 across described
It releases the button hole, exposes from the upper surface of the cover board 5.
Preferably, upper cover 1 is additionally provided on the manipulation pedestal 13, the upper cover 1 can the company of unlatching with the manipulation pedestal 13
Connect, it is described release the button 2 and the shutdown button 3 be located in the cavity that the upper cover 1 is formed with the cover board 5.
The upper cover 1 is preferably arc shell, the shutdown button 3 and described releases the button 2 positioned at the upper cover 1 and institute
In the arc space for stating the composition of cover board 5, valve inner structure can either be protected not to be destroyed, and effectively can avoid accidentally touching and cause
Water flow leakage or truncation.
Preferably, the inner end of the mandril 8 is equipped with prong like, and the support plate, which is equipped with, can limit the mandril 8
It can only make the top rod limiting structure radially slided.
Preferably, the reset spring 20 uses precompressed helical spring, is set on the column, the upper end and institute
2 contacts of releasing the button are stated, lower end is contacted with the second supporting element, the platform that can be suitable for the lower part setting released the button on column
Shoulder structure realizes reset spring and the second supporting element and the connection released the button.
Preferably, the inner side end of the shutdown push rod and the inner side end for opening push rod can be plane, bus
The cylinder vertical with glide direction is composed of plane and the bus cylinder vertical with glide direction, and this cylindrical structure can
With more effective and be neatly realized and push away to shutdown push rod, stuck phenomenon is avoided the occurrence of.
Preferably, the flap includes valve rod pedestal 15 and gasket seal 16, and the valve rod pedestal 15 and the valve rod 4 are solid
Fixed connection, the gasket seal 16 are located in the groove of 15 lower section of valve rod pedestal and are fastened by nut 22, the sealing
Flat shim 17 can be packed between gasket 16 and the nut 22, it, can by using the structure of flat shim 17 plus fastening nut 22
To further fix the gasket seal, guarantees sealing effect, prolong the service life.
When the valve rod 4 moves down, it is close that the gasket seal 16 is pressed on the valve seat by the valve rod pedestal 15
It seals in plane 35, the gasket seal 16 generates plastic deformation under the effect of the pressure to tight with the valve base sealing plane 35
It is closely connected to be combined, to realize sealing effect.
Preferably, at least provided with the first stepped hole and the second stepped hole inside the valve deck 19, first stepped hole is straight
Diameter is greater than the center through hole, and the second ladder hole location is below first stepped hole and diameter is greater than first ladder
Hole, the first stepped hole inner seal ring 9,9 one side of sealing ring prevent the leakage of internal liquid, on the other hand also prevent
The entrance of external contaminants, the preferred O-ring seal of the sealing ring 9 is small in size and easy to use, in second stepped hole
Washer 10 equipped with interference fit, the washer 10 form the positioning action to the sealing ring 9, prevent the washer 9 axial
Amount of movement is excessive and loses sealing function, and the washer 10 and 4 clearance fit of valve rod do not influence the movement of the valve rod 4.
Preferably, annular groove, installation in the annular groove are equipped with lower than the position of the washer 10 on the valve rod 4
Have a circlip 11, be equipped with the backing plate 12 with 4 clearance fit of valve rod below the circlip 11, the backing plate 12 be equipped with it is described
The groove that circlip 11 cooperates, the depth of the groove are not less than the thickness of the circlip 11, and the valve deck bottom is equipped with baffle 14,
Corresponding site is equipped with the flange for installing the baffle on the valve body 18, and valve rod is equipped between the backing plate 12 and the baffle 14
Pretensioned spring 21.
Under valve opening state 12 upper end of backing plate the valve rod pretensioned spring 21 elastic force effect under with it is described
The contact of 10 bottom of washer, when pressing turns off button 3, the valve rod 4 is moved down, and pushes the circlip 11 in the annular groove
It moves downwardly together, the circlip 11 pushes the backing plate 12 that spring force is overcome to move down；When press-started button 2, spring
It pushes and moves the backing plate 12 and move up, the backing plate 12 pushes the circlip 11, and the circlip 11 pushes the valve rod 4 upwards
Mobile, until 12 upper end of backing plate is contacted again the washer 10, valve rod 4 stops movement at this time, and valve fully opens.
Preferably, the shutdown button 3 and it is described release the button 2 be equipped with annular hollow structure, to save raw material, and
Mitigate weight.
It is disclosed by the invention it is each preferably with optional technological means, unless otherwise indicated and one preferably or can selecting technology hand
Section is that further limiting for another technological means is outer, can form several different technical solutions in any combination.
Claims (11)
1. a kind of moment shut-off valve, it is characterised in that including valve body and valve rod, the valve body is equipped with upper chamber's connector, lower chambers
Connector and valve rod installing port, the valve chamber of the valve body is interior to be equipped with valve seat, is fixedly installed with valve deck on the valve rod installing port, institute
Valve rod hole of the valve rod on the valve deck is stated, lower end is connected with the flap that shut-off valve sealing pair is constituted with the valve seat, institute
The top for stating valve deck is equipped with manipulation pedestal, is equipped with the first fixed supporting element, the second supporting element in the shell of the manipulation pedestal,
First supporting element is equipped with the vertical through holes as supporting element valve rod hole, and the valve rod passes through the supporting element valve rod hole,
Its top is equipped with shutdown button, radially slides on first supporting element and is connected with mandril and is equipped with the mandril to radial direction
The precompressed push rod spring that inside pushes away, the valve rod are equipped with locating groove matched with the mandril, second support
Slid vertically on part be connected with release the button and for reset of releasing the button reset spring, second supporting element is equipped with
Column for being slidably connected with the vertical line of releasing the button, the pore equipped with open at its lower end of releasing the button, the column
It is plugged in the pore released the button, with the clearance fit of releasing the button, the lower part released the button is equipped with radial
The unlatching push rod extended inwardly, the inner side end of the shutdown push rod are inclined-plane upward, the inner end for opening push rod
Face is inclined-plane directed downwardly, and the inner side end of the shutdown push rod is located at the top of the inner side end for opening push rod.
2. moment shut-off valve according to claim 1, it is characterised in that the valve chamber is divided into upper chamber by the valve seat
And lower chambers, the upper chamber are connected to the lower chambers by the center through hole of the valve seat, the flap is located on described
In chamber.
3. moment shut-off valve according to claim 2, it is characterised in that be additionally provided with cover board, the lid on the manipulation pedestal
Plate is located at the top of first supporting element and the second supporting element, and the cover board is equipped with the vertical through holes for being used as shutdown button hole
With the vertical through holes for being used as hole of releasing the button, the shutdown button passes through the shutdown button hole, from the upper surface of the cover board
Expose, it is described to release the button across the hole of releasing the button, expose from the upper surface of the cover board.
4. moment shut-off valve according to claim 3, it is characterised in that be additionally provided with upper cover on the manipulation pedestal, it is described on
Lid can be opened with the manipulation pedestal to be connect, and described release the button is located at the upper cover and the cover board shape with the shutdown button
At cavity in.
5. moment shut-off valve according to claim 4, it is characterised in that the inner end of the mandril is equipped with prong like, described
Support plate is equipped with and can limit the mandril and can only make the top rod limiting structure radially slided.
6. moment shut-off valve according to claim 5, it is characterised in that the reset spring uses precompressed spiral bullet
Spring is set on the column, and the upper end is contacted with described release the button, and lower end is contacted with the second supporting element, on column and
The suitable shoulder structure of the lower part setting released the button realizes reset spring and the second supporting element and the connection released the button.
7. moment shut-off valve according to claim 6, it is characterised in that the inner side end of the shutdown push rod and described open
Open the inner side end of the push rod cylinder or by plane and bus with glide direction vertical vertical with glide direction for plane, bus
Cylinder is composed.
8. moment shut-off valve according to claim 1, it is characterised in that the flap includes valve rod pedestal and gasket seal,
The valve rod pedestal is fixedly connected with the valve rod, and the gasket seal is located at the groove below the valve rod pedestal Nei and passes through
Nut fastening.
9. according to any moment shut-off valve of claim 2-7, it is characterised in that the flap includes valve rod pedestal and close
Gasket, the valve rod pedestal are fixedly connected with the valve rod, and the gasket seal is located at the groove below the valve rod pedestal
It is interior and pass through nut fasten.
10. moment shut-off valve according to claim 9, it is characterised in that at least provided with the first stepped hole inside the valve deck
With the second stepped hole, the first ladder bore dia is greater than the center through hole, and the second ladder hole location is in first rank
Below terraced hole and diameter is greater than first stepped hole, is equipped with sealing ring in first stepped hole, in second stepped hole
Washer equipped with interference fit, the washer and the valve lever clearance cooperate.
11. moment shut-off valve according to claim 10, it is characterised in that be lower than the position of the washer on the valve rod
Equipped with annular groove, circlip is installed in the annular groove, is equipped with the pad cooperated with the valve lever clearance below the circlip
Plate, the backing plate are equipped with the groove cooperated with the circlip, and the depth of the groove is not less than the thickness of the circlip, described
Valve deck bottom is equipped with baffle, and corresponding site is equipped with the flange for installing the baffle, the backing plate and the baffle on the valve body
Between be equipped with valve rod pretensioned spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443962.8A CN107061764B (en) | 2017-06-13 | 2017-06-13 | Moment shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443962.8A CN107061764B (en) | 2017-06-13 | 2017-06-13 | Moment shut-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061764A CN107061764A (en) | 2017-08-18 |
| CN107061764B true CN107061764B (en) | 2019-05-21 |
Family
ID=59593913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710443962.8A Active CN107061764B (en) | 2017-06-13 | 2017-06-13 | Moment shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061764B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662166A (en) * | 2018-07-14 | 2018-10-16 | 温州市欧睿阀门有限公司 | It is a kind of can quickly either on or off shut-off valve |
| CN109882651B (en) * | 2019-03-15 | 2020-03-17 | 汉工阀门股份有限公司 | High-pressure quick shut-off valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2442022A1 (en) * | 1973-09-25 | 1975-04-03 | Pierre Boillat | TAP WITH PUSH |
| CN201212577Y (en) * | 2008-06-24 | 2009-03-25 | 袁勇 | Overpressure and decompression emergency cutter |
| CN205824285U (en) * | 2016-06-24 | 2016-12-21 | 宁波佳尔灵气动机械有限公司 | A kind of duplex hand-operated valve |
| CN106763934A (en) * | 2016-12-20 | 2017-05-31 | 嘉兴爱克斯机械技术有限公司 | The lift check and cut-off combination valve of dual drive quick closedown |
| CN207145710U (en) * | 2017-06-13 | 2018-03-27 | 北京艾迪西暖通科技有限公司 | Moment shut-off valve |
-
2017
- 2017-06-13 CN CN201710443962.8A patent/CN107061764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2442022A1 (en) * | 1973-09-25 | 1975-04-03 | Pierre Boillat | TAP WITH PUSH |
| CN201212577Y (en) * | 2008-06-24 | 2009-03-25 | 袁勇 | Overpressure and decompression emergency cutter |
| CN205824285U (en) * | 2016-06-24 | 2016-12-21 | 宁波佳尔灵气动机械有限公司 | A kind of duplex hand-operated valve |
| CN106763934A (en) * | 2016-12-20 | 2017-05-31 | 嘉兴爱克斯机械技术有限公司 | The lift check and cut-off combination valve of dual drive quick closedown |
| CN207145710U (en) * | 2017-06-13 | 2018-03-27 | 北京艾迪西暖通科技有限公司 | Moment shut-off valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107061764A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2962024B1 (en) | Diaphragm valve with dual point seal and floating diaphragm web | |
| US9032992B2 (en) | Check valve | |
| CN107061764B (en) | Moment shut-off valve | |
| CN106015675A (en) | One-way pressure regulating overflow valve with thrust bearing | |
| TWI684721B (en) | Fluid controller | |
| US10982788B2 (en) | Thermal volume control for an actuator assembly | |
| CN103994240A (en) | Two-way hard sealing butterfly valve with movable valve seat | |
| CN207145710U (en) | Moment shut-off valve | |
| KR101175926B1 (en) | Normal open steam valve | |
| WO2008122710A8 (en) | Drainage assembly with upward opening and flat seat without retention areas for enamelled chemical reactor | |
| KR20120025165A (en) | Apparatus for connecting of filter cartridge | |
| CN204344978U (en) | Wear-resisting acidproof special floating ball valve | |
| US2731031A (en) | Ball cock | |
| KR200475572Y1 (en) | Back pressure discharge passage sealing structure of pressure reducing valve | |
| EP3990836B1 (en) | A cartridge for a diverter valve | |
| KR20090127859A (en) | Check type pressure reducing valve | |
| US2837110A (en) | Fluid pressure control valve | |
| CN208859016U (en) | The accurate double regulation safety valves of high temperature | |
| RU2495310C1 (en) | Control valve | |
| CN107575584B (en) | Pressure limiting angle valve | |
| CN210687124U (en) | Stop check valve | |
| CN109058535A (en) | Pressure adjustable safety valve | |
| CN216279613U (en) | Pressure reducing valve capable of preventing leakage at adjusting bolt | |
| CN213236217U (en) | Safety valve for internal circulation | |
| DE202013004255U1 (en) | Mounting structure of a faucet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |