CN106015612A - Double-acting-force blow-down valve - Google Patents
Double-acting-force blow-down valve Download PDFInfo
- Publication number
- CN106015612A CN106015612A CN201610596402.1A CN201610596402A CN106015612A CN 106015612 A CN106015612 A CN 106015612A CN 201610596402 A CN201610596402 A CN 201610596402A CN 106015612 A CN106015612 A CN 106015612A
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- China
- Prior art keywords
- valve
- flashboard
- valve body
- valve seat
- entrance point
- 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.)
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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
- F16K3/02—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Provided is a double-acting-force blow-down valve. The double-acting-force blow-down valve comprises a valve body, a valve deck and a support which are connected in a matched mode, a valve rod is movably connected in the valve body, the valve deck and the support, a bevel gear is connected to the end, arranged on the support, of the valve rod, two gate plates are connected to the end, arranged on the valve body, of the valve rod, and the valve body is internally provided with an inlet end valve seat and an outlet end valve seat which are matched with the two gate plates for use; a limiting part which penetrates into the valve body is arranged outside the valve body. The double-acting-force blow-down valve is reasonable in structure and convenient to use, the integral type valve body is adopted to replace the split-type design, the valve is more compact in structure and light in weight, leakage points outside the valve are reduced, the semi-circular design is adopted by the outlet end valve seat of the valve body, the contact area of the first gate plate and the outlet end valve seat when the first gate plate is closed is decreased, and the goodness of fit of the inlet sealing face can be better guaranteed; meanwhile, the friction force of a medium acting on the gate plates when the gate plates are opened and closed is reduced, the matching requirements between the valve body and the valve seats and between the valve seats and the gate plates are met, it is guaranteed that an inner cavity of the valve body is smooth, free of dead angle and smooth in slagging, and the double-acting-force blow-down valve is worthy of popularization.
Description
Technical field
The present invention relates to duty valve, especially a kind of dual force drain valve.
Background technology
Sewage component device is widely used in water ash disposal system, rail steel iron sheet sewerage, metallurgical dust sewage disposal, slag inclusion
Measure in the system such as higher circulation and mine ore dressing, papermaking.Sewage component device rises and is switched off or on pipeline
Mellow lime aqueous mixtures, the effect of slag-water slurry.
At present, existing deslagging part device uses single disc double-wedge type to design mostly, and valve seat uses cylindrically coiled spring pretension
Sealing, during row's graininess impurity, graininess slag particle enters in spring cavity from the valve seat back side, causes stuck sealing of spring to be lost
Effect；And the easy absorption of slag particle is on valve seat, flashboard wedge-type sealing surface, in closing process, sealing surface easily weares and teares with scratch not
Can produce and well seal；And when closing valve, body base has the abrasion of recrement and closure member flashboard and causes sealing surface
It coincide not in place and cause internal hemorrhage due to trauma, once reveal, the maintenance of valve and keep in repair highly inconvenient.Flashboard is thiner, easily become
Shape, the highest pressure-bearing only has 6.4MPa, it is impossible to meet the use requirement of higher pressure operating mode.Valve body uses split type valve mostly
Body designs, and adds one valve body Flange joint, valve weight increases the weight of, the waste invisible to material more, and in the course of processing
In add manufacturing procedure.
Summary of the invention
The shortcoming that the invention solves the problems that above-mentioned prior art, it is provided that a kind of dual force drain valve rational in infrastructure, easy to use,
Its good seal performance, anti-pressure ability are strong, moment of torsion is light, deslagging is smooth and easy, encapsulant is wear-resistant, and service life is long in operation, convenient
Fast.
The present invention solve its technical problem use technical scheme: this dual force drain valve, including the valve body being connected,
Valve gap, support, in valve body, valve gap, support, mobile link has valve rod, and being placed in the connection of the valve stem end at support has bevel gear,
Be placed in valve stem end at valve body to connect and have two flashboards, be wherein provided with in valve body with two flashboards with the use of entrance point valve seat,
Port of export valve seat, flashboard include connecting the first flashboard being arranged on valve rod and the first flashboard with the use of the second flashboard,
First flashboard and port of export valve seat with the use of, the second flashboard and entrance point valve seat with the use of；Have on valve body for two flashboards
The opening passed through, port of export valve seat is intilted is welded on opening right-hand member；Entrance point valve seat is fixed on the import of valve body
End, valve body is externally provided with the locating part worn to valve body, entrance point valve seat has and makes locating part insert in interior 30 ° tapered trenches,
It is inner that these 30 ° of tapered trenches are positioned at entrance point valve seat.So, flashboard uses double disc design, two flashboards rational in infrastructure,
Tying in, stability in use is good, it is possible to realize, and entrance point valve seat uses float regulating valve seat, entrance point valve seat and valve body
Use seal with O ring；Entrance point valve seat and the second flashboard use flat seal, in opening-closing process, entrance point valve base sealing
Swiping the second gate sealing surface slag particle automatically in face, is allowed to automated cleaning, and preventing dirt from accumulating affects valve seal；Import end valve
Seat is provided with 30 ° of tapered trenches, is provided with the locating part inserted in 30 ° of tapered trenches outside entrance point valve body, and locating part is outside
Try hard to recommend and act on entrance point valve seat under moving, make entrance point valve seat and the second flashboard simultaneously under valve rod and locating part dual force
The forced seal remaining good seals than pressure, and spring is stuck or valve seat relaxes close behind to efficiently solve entrance point valve seat
The problem that envelope lost efficacy, and port of export valve seat and the first flashboard wedging surface use 5 ° of inclined-planes to coordinate, when the first flashboard cuts out, by
In the existence of the first flashboard angle of wedge, make the first flashboard sealing surface in closing process support tighter and tighter, and both sides valve seat can be balanced
Sealing force, it is ensured that the stability of both sides valve base sealing.
The most perfect, the first flashboard left end has and for the second flashboard, the mounting groove coordinated is installed；First flashboard right-hand member has
Placing trough, is provided with in placing trough and makes the first flashboard, the second flashboard in the soket head cap screw being wholely set.So, mounting groove
Arrange make the first flashboard, both the second flashboards fitness more preferable, also make the second flashboard, the setting of soket head cap screw makes
The first flashboard, the second flashboard in being wholely set, moving of valve rod can be followed thus and realize synchronizing moving, play
Good sealing function.
The most perfect, the second flashboard is flap.So, the second flashboard and entrance point valve seat with the use of, be directly effect
In the front end of entrance point valve seat, and entrance point valve seat is mainly used in guiding medium to pass through, and flap is valve essential core zero
One of part, plays the effect directly bearing pressure medium in valve.
The most perfect, port of export valve seat is semi-circular design.So, port of export valve seat semicircle designs friction when making wedging
Area reduces, thus reduces operation moment of torsion and improve the balance goodness of fit and the service life of import sealing surface.
The most perfect, locating part includes peaking at the push rod of entrance point valve seat, being threaded onto the cover type nut of push rod outer end, cap-type
Being provided with the hexagon thin nut being placed on outside push rod between nut and valve body, wherein hexagon thin nut is affixed on valve outer surface；Push rod
At upper end be with 30 ° of inclined-planes in 30 ° of tapered trenches with the use of conical head.So, by by push rod from valve body extrapolation
To valve body, it is to avoid internally installed is loaded down with trivial details, and cover type nut plays the binding function preventing push rod from deviating from so that push rod energy
Firm, the most stable peaks on entrance point valve seat, and hexagon thin nut can preferably play and prevent cover type nut appearance from loosening
Effect, the setting of conical head makes push rod and 30 ° of tapered trenches fiting effects good so that in push rod can firmly be stuck in so that
Using effect is good, and easy accessibility, it is possible to realize the function of locating part.
The most perfect, gate gland is installed between valve rod and the first gate.So, flashboard gland increase by first is set
Connective stability between gate and valve rod, prevents both from departing from, loses cooperation.
The most perfect, valve gap is packing cavity with the junction of support, is provided with sealing shroud in packing cavity, and wherein valve rod is through at close
In big envelope.So, sealing shroud not only ensures the stability that valve rod passes through, and sealing shroud and valve rod, valve gap use O,
Pad triple seal, it is ensured that the upper sealing property of valve so that valve stability in use is good.
The most perfect, it is provided with fire-protection ring in entrance point valve.So, fire-protection ring is made up of metal material, and interior filling is hindered
Combustion expands core, and when fire occurs, core is heated and expands rapidly, extrudes UPVC pipeline, within a short period of time blocking pipe Durchgangshohle
Mouthful, stop the intensity of a fire to spread along hole, back-fire relief is effective, and fire resistance period is long, has excellent fire-resistant, humidity, antioxidation
Performance, the advantage such as easy for installation.
The most perfect, body base is cambered outwards arcwall face, has through hole in the middle part of arcwall face, is provided with blowdown in through hole
Plug screw.In such manner, it is possible to get rid of the dirt being placed in valve body in time, and the simple in construction of drain plug, dismounting mode is the easiest
In operation, can realize by rotating.
The most perfect, have arc inside groove at the valve inner hypomere part that arcwall face is corresponding, wherein put for the second flashboard
In arc inside groove.So, arc inside groove accounts for the area of the 2/3 of arcwall face, does not the most not only interfere with import end valve
The installation of seat, also contributes to the second flashboard and closely cooperates with entrance point valve seat.
The invention have the advantages that: the present invention's is rational in infrastructure, easy to use, use monoblock type valve body to replace split type setting
Meter, valve mechanism is compacter, lightweight, and decreases valve and leak leak source, and valve outlet end valve seat uses semi-circular setting
Meter, decreases the contact area with port of export valve seat when the first flashboard cuts out, more can guarantee that the goodness of fit of import sealing surface, with
Time reduce medium act on flashboard open and close time frictional force, both met valve body and coordinated requirement with valve seat, valve seat with flashboard；Again
Ensure that body cavity is round and smooth without the requirement smoothly of dead angle, deslagging, be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is the complete section structural representation in front of the present invention；
Fig. 2 is the close-up schematic view of part A in Fig. 1 of the present invention；
Fig. 3 is the close-up schematic view of part B in Fig. 1 of the present invention；
Fig. 4 is the close-up schematic view of C portion in Fig. 1 of the present invention.
Description of reference numerals: valve body 1, opening 1-1, valve gap 2, support 3, valve rod 4, flashboard 5, the first flashboard 5-1, installs
Groove 5-1a, placing trough 5-1b, second flashboard 5-2,6,30 ° of tapered trenches 6-1 of entrance point valve seat, port of export valve seat 7,
Locating part 8, push rod 8-1, cover type nut 8-2, hexagon thin nut 8-3, soket head cap screw 9, gate gland 10, filler
Chamber 11, sealing shroud 12, fire-protection ring 13, arcwall face 14, through hole 14-1, drain plug 15, arc inside groove 16, bevel gear
17。
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Referring to the drawings: this dual force drain valve, including the valve body 1 being connected, valve gap 2, support 3, valve body 1,
In valve gap 2, support 3, mobile link has valve rod 4, and being placed in the connection of valve rod 4 end at support 3 has bevel gear 17, is placed in valve
Valve rod 4 end at body 1 connects two flashboards 5, be wherein provided with in valve body 1 with two flashboards 5 with the use of entrance point valve seat
6, port of export valve seat 7, flashboard 5 includes that connecting the first flashboard 5-1 being arranged on valve rod 4 and the first flashboard 5-1 coordinates
The second flashboard 5-2, the first flashboard 5-1 and the port of export valve seat 7 used with the use of, the second flashboard 5-2 and entrance point valve seat
6 with the use of；Having the opening 1-1 passed through for two flashboards 5 on valve body 1, port of export valve seat 7 is intilted to be welded on out
Mouth 1-1 right-hand member；Entrance point valve seat 6 is fixed on the entrance point of valve body 1, and valve body 1 is externally provided with the limit worn to valve body 1
Position part 8, entrance point valve seat 6 has and makes locating part 8 insert in interior 30 ° tapered trenches 6-1, these 30 ° of tapered trenches 6-1
It is positioned at entrance point valve seat 6 inner；Have on first flashboard 5-1 left end, for the second flashboard 5-2, the mounting groove 5-1a coordinated is installed；
First flashboard 5-1 right-hand member has placing trough 5-1b, and in placing trough, 5-1b is provided with and makes first flashboard the 6, second flashboard 7 in one
The soket head cap screw 9 arranged.Second flashboard 5-2 is flap；Port of export valve seat 7 is semi-circular design；Locating part 8 includes top
In the push rod 8-1 of entrance point valve seat 6, the cover type nut 8-2, cover type nut 8-2 that are threaded onto push rod 8-1 outer end and valve body 1
Between be provided with the hexagon thin nut 8-3 being placed on outside push rod 8-1, wherein hexagon thin nut 8-3 is affixed on valve body 1 outer surface；Top
At bar 8-1 upper end be with 30 ° of inclined-planes in 30 ° of tapered trenches 6-1 with the use of conical head；Valve rod 4 and the first gate
Gate gland 10 is installed between 6.
Valve gap 2 is packing cavity 11 with the junction of support 3, is provided with sealing shroud 12 in packing cavity 11, and wherein valve rod 4 is through at
In sealing shroud 12；Fire-protection ring 13 it is provided with in entrance point valve 6.
It is cambered outwards arcwall face 14 bottom valve body 1, has through hole 14-1 in the middle part of arcwall face 14, be provided with in through hole 14-1
Drain plug 15；Arc inside groove 16 is had, wherein for the second lock at the internal hypomere part of valve body 1 that arcwall face 14 is corresponding
Plate 5-2 is placed in arc inside groove 16.
In use, entrance point valve seat 6 is arranged on the entrance point of valve body 1, and it is fixing to realize sealing by O, outlet
End valve seat 7 is fixed at the opening 1-1 of valve body 1 by the way of welding, and valve rod 4 does moving movement by bevel gear 17,
First gate 5-1 is arranged on valve rod 4 end being placed in valve body 1 by gate gland 10, and the second gate 5-2 is by interior
Hex screw 9 and the first gate 5-1 are in being wholely set, and the second gate 5-2 and entrance point valve seat 6 are with the use of, the first lock
Door 5-1 and port of export valve seat 7 are swiped the second gate 5-2 sealing surface slag particle automatically with the use of, entrance point valve seat 6 sealing surface,
Being allowed to automated cleaning, preventing dirt from accumulating affects valve seal, sets locating part 8 outside valve body 1, and locating part 8 is tried hard to recommend dynamic outside
Under act on entrance point valve seat 6, make entrance point valve seat 6 and the second flashboard 5-2, port of export valve seat 7 and the first flashboard 5-1
The forced seal simultaneously remaining good under the dual force of valve rod 4 and locating part 8 seals than pressure, efficiently solves
The problem of seal failure that entrance point valve seat 6 spring behind is stuck or entrance point valve seat 6 relaxes；Port of export valve seat 7 and the first lock
Plate 5-1 wedging surface uses 5 ° of inclined-planes to coordinate, when the first flashboard 5-1 closes, due to the existence of the first flashboard 5-1 angle of wedge,
Make first flashboard 5-1 sealing surface in closing process support tighter and tighter, and the sealing force of both sides valve seat 6,7 can be balanced, it is ensured that two
The stability that limit valve seat 6,7 seals, and on the sealing surface of two valve seat 6,7, two flashboard 5-1,5-2, equal coated with hard closes
Gold wearing layer, reaches sub-minute surface through grinding, and keeps corresponding difference of hardness, and raising sealing surface is wear-resisting, abrasion-resistance, more
The service life of valve can be improved.The setting of drain plug 15 simultaneously is easy to clear up the dirt in valve body 1 in time, it is not necessary to pass through
The valve of dismounting entirety completes, convenient and swift.Really serve and be rationally switched off or on the mellow lime aqueous mixtures of pipeline, pulp water mixes
The effect of compound.
Although the present invention is by being shown and described with reference to preferred embodiment, but, those skilled in the art
It is to be appreciated that in the range of claims, the various change in form and details can be made.
Claims (10)
1. a dual force drain valve, including the valve body (1) being connected, valve gap (2), support (3), valve body
(1), valve gap (2), support (3) interior mobile link have valve rod (4), be placed in support (3) place valve rod (4) end
Portion connects bevel gear (17), and valve rod (4) the end connection being placed in valve body (1) place has two flashboards (5), wherein valve body
(1) be provided with in two flashboards (5) with the use of entrance point valve seat (6), port of export valve seat (7), it is characterized in that:
Described flashboard (5) includes that the first flashboard (5-1) that connection is arranged on valve rod (4) coordinates with the first flashboard (5-1)
The second flashboard (5-2) used, described first flashboard (5-1) and port of export valve seat (7) are with the use of, the second flashboard (5-2)
With entrance point valve seat (6) with the use of；The opening (1-1) passed through for two flashboards (5) is had on described valve body (1),
Port of export valve seat (7) is intilted is welded on opening (1-1) right-hand member；Described entrance point valve seat (6) is fixed on valve
The entrance point of body (1), valve body (1) is externally provided with the locating part (8) worn to valve body (1), on entrance point valve seat (6)
Having and make locating part (8) insert in interior 30 ° tapered trenches (6-1), these 30 ° of tapered trenches (6-1) are positioned at entrance point
Valve seat (6) is inner.
Dual force drain valve the most according to claim 1, is characterized in that: on described first flashboard (5-1) left end
Have, for the second flashboard (5-2), the mounting groove (5-1a) coordinated is installed；Described first flashboard (5-1) right-hand member has placement
Groove (5-1b), in placing trough, (5-1b) is provided with and makes the first flashboard (6), the second flashboard (7) in being wholely set six
Angle screw (9).
Dual force drain valve the most according to claim 2, is characterized in that: described second flashboard (5-2) is flap.
Dual force drain valve the most according to claim 1, is characterized in that: described port of export valve seat (7) is semicircle
Shape designs.
Dual force drain valve the most according to claim 1, is characterized in that: described locating part (8) include peaking at into
The push rod (8-1) of mouthful end valve seat (6), it is threaded onto the cover type nut (8-2) of push rod (8-1) outer end, described cap-type spiral shell
It is provided with the hexagon thin nut (8-3) being placed on push rod (8-1) outward, the wherein thin spiral shell of hexagonal between female (8-2) and valve body (1)
Female (8-3) is affixed on valve body (1) outer surface；At described push rod (8-1) upper end it is and 30 ° of tapered trenches (6-1)
In 30 ° of inclined-planes with the use of conical head.
Dual force drain valve the most according to claim 1, is characterized in that: described valve rod (4) and the first gate (6)
Between gate gland (10) is installed.
Dual force drain valve the most according to claim 1, is characterized in that: described valve gap (2) and support (3)
Junction is packing cavity (11), is provided with sealing shroud (12) in packing cavity (11), and wherein valve rod (4) is through at sealing shroud (12)
In.
Dual force drain valve the most according to claim 1, is characterized in that: be provided with in described entrance point valve (6)
Fire-protection ring (13).
Dual force drain valve the most according to claim 1, is characterized in that: described valve body (1) bottom is convex
Arcwall face (14), arcwall face (14) middle part have through hole (14-1), in through hole (14-1), drain plug is installed
(15)。
Dual force drain valve the most according to claim 9, is characterized in that: described arcwall face (14) is corresponding
Have arc inside groove (16) at the internal hypomere part of valve body (1), be wherein placed in arc inside groove (16) for the second flashboard (5-2)
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596402.1A CN106015612B (en) | 2016-07-27 | 2016-07-27 | Dual force drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596402.1A CN106015612B (en) | 2016-07-27 | 2016-07-27 | Dual force drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015612A true CN106015612A (en) | 2016-10-12 |
| CN106015612B CN106015612B (en) | 2018-04-17 |
Family
ID=57115434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610596402.1A Active CN106015612B (en) | 2016-07-27 | 2016-07-27 | Dual force drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015612B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050264A (en) * | 2017-11-28 | 2018-05-18 | 安徽荣达阀门有限公司 | A kind of plain base gate valve being easily installed with cleaning |
| CN114198520A (en) * | 2021-12-07 | 2022-03-18 | 宣达实业集团有限公司 | Gate valve with novel structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827170A1 (en) * | 1978-06-21 | 1980-01-10 | Westark Armaturen | Double-disc wedge gate valve - has discs secured with limited freedom of movement to spindle end by transverse slotted hollow pins |
| US4389037A (en) * | 1975-08-18 | 1983-06-21 | Rockwell International Corporation | Double disc gate vale with replaceable spacer ring |
| CN2072623U (en) * | 1990-06-09 | 1991-03-06 | 曲波 | Heavy calibre orifice valve |
| CN2333847Y (en) * | 1998-01-15 | 1999-08-18 | 刘承昭 | Wedge-shaped sluice valve |
| CN2359528Y (en) * | 1999-02-09 | 2000-01-19 | 郑州市慧丰新技术有限公司 | Middle-high-pressure ceramic flashboard valve |
| CN2408314Y (en) * | 2000-03-14 | 2000-11-29 | 张颐 | Composite double sealed wedge valve |
| CN201129489Y (en) * | 2007-12-20 | 2008-10-08 | 刘克章 | Wedge-type double gate valve |
| CN202955256U (en) * | 2012-08-20 | 2013-05-29 | 天津市泰特力阀门科技有限公司 | Abrasion-resistant ceramic gate valve without materials accumulated |
| CN203189764U (en) * | 2013-04-22 | 2013-09-11 | 特尔控股集团有限公司 | Novel unfurled type double-gate-segment gate valve |
| CN105443790A (en) * | 2015-12-25 | 2016-03-30 | 大连大高阀门股份有限公司 | Adjustable double wedge disc |
-
2016
- 2016-07-27 CN CN201610596402.1A patent/CN106015612B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389037A (en) * | 1975-08-18 | 1983-06-21 | Rockwell International Corporation | Double disc gate vale with replaceable spacer ring |
| DE2827170A1 (en) * | 1978-06-21 | 1980-01-10 | Westark Armaturen | Double-disc wedge gate valve - has discs secured with limited freedom of movement to spindle end by transverse slotted hollow pins |
| CN2072623U (en) * | 1990-06-09 | 1991-03-06 | 曲波 | Heavy calibre orifice valve |
| CN2333847Y (en) * | 1998-01-15 | 1999-08-18 | 刘承昭 | Wedge-shaped sluice valve |
| CN2359528Y (en) * | 1999-02-09 | 2000-01-19 | 郑州市慧丰新技术有限公司 | Middle-high-pressure ceramic flashboard valve |
| CN2408314Y (en) * | 2000-03-14 | 2000-11-29 | 张颐 | Composite double sealed wedge valve |
| CN201129489Y (en) * | 2007-12-20 | 2008-10-08 | 刘克章 | Wedge-type double gate valve |
| CN202955256U (en) * | 2012-08-20 | 2013-05-29 | 天津市泰特力阀门科技有限公司 | Abrasion-resistant ceramic gate valve without materials accumulated |
| CN203189764U (en) * | 2013-04-22 | 2013-09-11 | 特尔控股集团有限公司 | Novel unfurled type double-gate-segment gate valve |
| CN105443790A (en) * | 2015-12-25 | 2016-03-30 | 大连大高阀门股份有限公司 | Adjustable double wedge disc |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050264A (en) * | 2017-11-28 | 2018-05-18 | 安徽荣达阀门有限公司 | A kind of plain base gate valve being easily installed with cleaning |
| CN114198520A (en) * | 2021-12-07 | 2022-03-18 | 宣达实业集团有限公司 | Gate valve with novel structure |
| CN114198520B (en) * | 2021-12-07 | 2024-01-16 | 宣达实业集团有限公司 | Gate valve with new structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015612B (en) | 2018-04-17 |
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