CN109611570A - A kind of valve flashboard made of Novel environment-friendlymaterial material and its production technology - Google Patents
A kind of valve flashboard made of Novel environment-friendlymaterial material and its production technology Download PDFInfo
- Publication number
- CN109611570A CN109611570A CN201910093191.3A CN201910093191A CN109611570A CN 109611570 A CN109611570 A CN 109611570A CN 201910093191 A CN201910093191 A CN 201910093191A CN 109611570 A CN109611570 A CN 109611570A
- Authority
- CN
- China
- Prior art keywords
- panel body
- gate panel
- valve
- nut
- flashboard
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000004033 plastic Substances 0.000 claims abstract description 33
- 229920003023 plastic Polymers 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 150000003952 β-lactams Chemical class 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002657 fibrous material Substances 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 12
- 241000209094 Oryza Species 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 235000013339 cereals Nutrition 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of valve flashboards, including gate panel body, nut, the gate panel body is formed by valve plate and valve-stem integrated, gate panel body hollow structure inside, the nut is located at gate panel body top and connect with valve screw, sealing ring is equipped on the outside of nut between valve rod inner wall, the gate panel body outer surface is coated with plastic body, the valve plate two sides are equipped with location hole, the plastic body inner wall is equipped with positioning column corresponding with position of positioning hole, gate panel body adds photostabilizer by beta-lactam in proportion, heat stabilizer, fibrous material and graphite, by being integrally formed, with energy conservation and environmental protection, processing technology is simple, high yield rate, it is free from environmental pollution, the advantages such as labor intensity of workers is low, the present invention is coated with plastic body outside gate panel body, make metal valve plate and fluid isolation, guarantee that water source is not contaminated, and it processes It is easy, saves material, it is at low cost.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of valve flashboard made of Novel environment-friendlymaterial material and its life
Production. art.
Background technique
Valve is widely used in drainage pipeline, it has adjusting and cutoff function, reaches unlatching by the lifting of flashboard
And closure.Existing market flashboard material is mostly cast iron, cast copper and Ma cast iron casting iron, and casting technique uses resin or casting model powder, first
Do sand core and be made into model with sand core and casting model powder again, cast molten iron or gravitational casting finally to reach flashboard molding, through sand removal,
Polishing, apply liquid medicine serve as a contrast again rubber layer could become a qualified flashboard, can generate in production process can not largely recycle
High energy consumption caused by sand and electric furnace and exhaust gas cause environmental pollution, and casting technique determines that product cost is high, and energy consumption is high and dirty
Dye strictly even results in occupational disease.
Summary of the invention
In place of overcoming the above deficiencies in the existing technologies, the purpose of the present invention is to provide a kind of designs of structure
Rationally, the valve flashboard of environmental protection again, it is expensive to solve existing flashboard manufacturing cost, low efficiency and the problems such as be also easy to produce pollution.
Another object of the present invention is to provide a kind of production technology of valve flashboard made of Novel environment-friendlymaterial material.
The present invention is achieved through the following technical solutions: a kind of valve flashboard, including gate panel body, nut, the flashboard sheet
Body is formed by valve plate and valve-stem integrated, and gate panel body hollow structure inside, the nut is located at gate panel body top and valve silk
Bar connection is equipped with sealing ring between nut outside and valve rod inner wall, and the gate panel body outer surface is coated with plastic body, the valve
Plate two sides are equipped with location hole, and the plastic body inner wall is equipped with positioning column corresponding with position of positioning hole.
Preferably, the positive stop lug boss cooperated with nut bottom is equipped in gate panel body of the present invention.
Preferably, fluting is used to be connected to two sections of fluid lines on the outside of valve plate two sides of the present invention.
A kind of production technology of the valve flashboard made of Novel environment-friendlymaterial material, includes the following steps:
A, raw material are prepared first: poly- beta-lactam being added photostabilizer, heat stabilizer, fibrous material and graphite in proportion, is matched
Plastics grain of rice raw material is made, the toughness and heat resistance and intensity of nylon can be improved in this way；
B, mold is placed on the corresponding position of injection molding machine by the gate panel body of the size according to needed for product, ready mold and injection molding machine
It sets, waits blanking injection molding；
C, the plastics grain of rice that step A has been prepared is poured into the heating bucket in injection molding machine, heating bucket heats automatically, makes the plastics grain of rice
It dissolves, manufactured nut is put into the nut anchor point of mold inner-cavity, (nut is for use in gate panel body and valve silk
The connection of bar), with average rate is hydraulic or the gate panel body of the fashion of extrusion injection good nut of mold inner-cavity variance in form；
D, the gate panel body of step C is positioned in line with rubber mold, plastic material is added with the extruding side of high temperature toward line with rubber mold
Formula makes plastic material and gate panel body integrated injection molding, and the flashboard with plastic body can be obtained.
Further, plastic material of the present invention is using any one in the third glue of butadiene acrylonitrile rubber or tricyclic second.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
1, the present invention is coated with plastic body outside gate panel body, makes metal valve plate and fluid isolation, guarantees water source not by dirt
Dye, and handling ease save material, at low cost；Present invention is mainly used for silk mouth gate valves, clamp valve, flange valve, mainly
It is related to soft sealing gate valve series.
2, the present invention is combined into using poly- beta-lactam, butadiene acrylonitrile rubber or the third glue of tricyclic second and multiple additives, is assigned in nut
It is molded into gate panel body finished product, has that energy conservation and environmental protection, processing technology be simple, high yield rate, free from environmental pollution, labor intensity of workers
Low advantage.
3, the gate panel body made using present invention process have good toughness, intensity are high, be unlikely to deform, high temperature resistant and
The features such as later period assembly is easy, existing market flashboard is linked together with nut, downstream manufacturer will also be greatly lowered
Production cost and Simple assembled can also improve the stability and leakproofness of flashboard.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other features of the invention,
Objects and advantages will become apparent:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional structure chart of plastic body of the present invention；
The sectional structure chart of Fig. 3 gate panel body of the present invention
Fig. 4 is the schematic perspective view of gate panel body of the present invention；
Wherein: 1-valve plate, 2-valve rods, 3-nuts, 4-sealing rings, 5-plastic bodies, 6-location holes, 7-positioning columns, 8-
Positive stop lug boss, 9-glands, 10-flutings.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It is also possible to be connected directly, is also possible to indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
A kind of valve flashboard of the present embodiment, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including gate panel body, nut 3, it is described
Gate panel body is integrally formed by valve plate 1 and valve rod 2, gate panel body hollow structure inside, and the nut 3 is arranged in valve rod 2, spiral shell
It is equipped with sealing ring 4 between 3 outside of mother and 2 inner wall of valve rod, the gate panel body outer surface is coated with plastic body 5,1 liang of the valve plate
Side is equipped with location hole 6, and the plastic body inner wall, which is equipped with, sets corresponding positioning column 7, fluting on the outside of 1 two sides of valve plate with positioning hole location 6
10 for being connected to two sections of fluid lines, and gate panel body 1 is identical as the shape of plastic body 5, and plastic cement is coated with outside gate panel body
Body 5 makes metal valve plate and fluid isolation, guarantees that water source is not contaminated,
Technical solution of the present invention is further strengthened, the positive stop lug boss 8 cooperated with 3 bottom of nut is equipped in gate panel body, more
Specifically, the bottom position in valve rod 2 is arranged in positive stop lug boss 8, gland 9 is provided at the top of valve rod 2.
A kind of production technology of the valve flashboard made of Novel environment-friendlymaterial material, includes the following steps:
A, raw material are prepared first: poly- beta-lactam being added photostabilizer, heat stabilizer, fibrous material and graphite in proportion, is matched
Plastics grain of rice raw material is made, the toughness and heat resistance and intensity of nylon can be improved in this way；
B, mold is placed on the corresponding position of injection molding machine by the gate panel body of the size according to needed for product, ready mold and injection molding machine
It sets, waits blanking injection molding；
C, the plastics grain of rice that step A has been prepared is poured into the heating bucket in injection molding machine, heating bucket heats automatically, makes the plastics grain of rice
It dissolves, manufactured nut is put into the nut anchor point of mold inner-cavity, be integrally formed by nut and gate panel body, with
Just it is used for the connection of gate panel body and valve screw, with average rate is hydraulic or fashion of extrusion injects the good nut of mold inner-cavity variance in form
Gate panel body；
D, the gate panel body of step C is positioned in line with rubber mold, butadiene acrylonitrile rubber or the third glue of tricyclic second is added with height toward line with rubber mold
The fashion of extrusion of temperature, makes plastic material and gate panel body integrated injection molding, the flashboard with plastic body can be obtained.
The present invention is combined into using poly- beta-lactam, butadiene acrylonitrile rubber or the third glue of tricyclic second and multiple additives, is infused assigned in nut
It is moulded into gate panel body finished product, the toughness and heat resistance and intensity of nylon can be improved in this way, makes gate panel body that there is good toughness, strong
Degree is high, is unlikely to deform, the features such as assembly of high temperature resistant and later period is easy, has that energy conservation and environmental protection, processing technology be simple, high yield rate,
It is free from environmental pollution, the advantages such as labor intensity of workers is low, and also existing market flashboard is linked together by the present invention with nut, and it also will be big
The production cost and Simple assembled of amplitude reduction downstream manufacturer can also improve the stability and leakproofness of flashboard.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments by being detached under the principle of the present invention and objective, of the invention
Range is defined by the claims and their equivalents.
Claims (5)
1. a kind of valve flashboard, it is characterised in that: including gate panel body, nut, the gate panel body is by valve plate and valve-stem integrated
Molding, gate panel body hollow structure inside, the nut are located at gate panel body top and connect with valve screw, nut outside and valve
Sealing ring is equipped between bar inner wall, the gate panel body outer surface is coated with plastic body, and the valve plate two sides are equipped with location hole, institute
Plastic body inner wall is stated equipped with positioning column corresponding with position of positioning hole.
2. a kind of valve flashboard according to claim 1, it is characterised in that: be equipped with and nut bottom in the gate panel body
The positive stop lug boss of cooperation.
3. a kind of valve flashboard according to claim 1, it is characterised in that: fluting is for being connected on the outside of the valve plate two sides
Two sections of fluid lines.
4. a kind of production technology of valve flashboard made of Novel environment-friendlymaterial material according to claim 1, including it is as follows
Step:
A, raw material are prepared first: poly- beta-lactam being added photostabilizer, heat stabilizer, fibrous material and graphite in proportion, is matched
Make plastics grain of rice raw material；
B, mold is placed on the corresponding position of injection molding machine by the gate panel body of the size according to needed for product, ready mold and injection molding machine
It sets, waits blanking injection molding；
C, the plastics grain of rice that step A has been prepared is poured into the heating bucket in injection molding machine, heating bucket heats automatically, makes the plastics grain of rice
It dissolves, manufactured nut is put into the nut anchor point of mold inner-cavity, with average rate is hydraulic or fashion of extrusion injects mold
The gate panel body of the good nut of inner cavity variance in form；
D, the gate panel body of step C is positioned in line with rubber mold, plastic material is added with the extruding side of high temperature toward line with rubber mold
Formula makes plastic material and gate panel body integrated injection molding, and the flashboard with plastic body can be obtained.
5. a kind of production technology of valve flashboard made of Novel environment-friendlymaterial material according to claim 4, feature exist
In: the plastic material is using any one in the third glue of butadiene acrylonitrile rubber or tricyclic second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093191.3A CN109611570A (en) | 2019-01-30 | 2019-01-30 | A kind of valve flashboard made of Novel environment-friendlymaterial material and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093191.3A CN109611570A (en) | 2019-01-30 | 2019-01-30 | A kind of valve flashboard made of Novel environment-friendlymaterial material and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611570A true CN109611570A (en) | 2019-04-12 |
Family
ID=66021579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093191.3A Pending CN109611570A (en) | 2019-01-30 | 2019-01-30 | A kind of valve flashboard made of Novel environment-friendlymaterial material and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611570A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003623Y (en) * | 2006-12-30 | 2008-01-09 | 江苏省竹箦机械厂 | Anti-corrosion sluice valve |
| CN101328980A (en) * | 2008-07-30 | 2008-12-24 | 玉环县华龙阀门有限公司 | Valve plate of gate valve and method for manufacturing the same |
| CN102392901A (en) * | 2011-06-27 | 2012-03-28 | 芜湖市金贸流体科技股份有限公司 | Novel gate valve and fabrication process thereof |
| CN202209438U (en) * | 2011-09-23 | 2012-05-02 | 福建福思特阀门集团有限公司 | Threaded connection elastic valve seat sluice valve |
| CN102829205A (en) * | 2012-09-14 | 2012-12-19 | 陈建峰 | Anti-corrosive anti-pollution environment-friendly plastic brake valve with flexible seal and machining process thereof |
| JP2013200031A (en) * | 2012-02-21 | 2013-10-03 | Kurimoto Ltd | Soft seal gate valve |
| CN203703189U (en) * | 2014-02-07 | 2014-07-09 | 成都航利阀门成套设备有限公司 | Novel elastic seal gas gate valve capable of being connected with PE pipe |
| CN207634725U (en) * | 2017-12-20 | 2018-07-20 | 玉环创亚阀门有限公司 | A kind of anti-wear gate valve |
| CN209587191U (en) * | 2019-01-30 | 2019-11-05 | 黄长太 | A kind of valve flashboard made of Novel environment-friendlymaterial material |
-
2019
- 2019-01-30 CN CN201910093191.3A patent/CN109611570A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003623Y (en) * | 2006-12-30 | 2008-01-09 | 江苏省竹箦机械厂 | Anti-corrosion sluice valve |
| CN101328980A (en) * | 2008-07-30 | 2008-12-24 | 玉环县华龙阀门有限公司 | Valve plate of gate valve and method for manufacturing the same |
| CN102392901A (en) * | 2011-06-27 | 2012-03-28 | 芜湖市金贸流体科技股份有限公司 | Novel gate valve and fabrication process thereof |
| CN202209438U (en) * | 2011-09-23 | 2012-05-02 | 福建福思特阀门集团有限公司 | Threaded connection elastic valve seat sluice valve |
| JP2013200031A (en) * | 2012-02-21 | 2013-10-03 | Kurimoto Ltd | Soft seal gate valve |
| CN102829205A (en) * | 2012-09-14 | 2012-12-19 | 陈建峰 | Anti-corrosive anti-pollution environment-friendly plastic brake valve with flexible seal and machining process thereof |
| CN203703189U (en) * | 2014-02-07 | 2014-07-09 | 成都航利阀门成套设备有限公司 | Novel elastic seal gas gate valve capable of being connected with PE pipe |
| CN207634725U (en) * | 2017-12-20 | 2018-07-20 | 玉环创亚阀门有限公司 | A kind of anti-wear gate valve |
| CN209587191U (en) * | 2019-01-30 | 2019-11-05 | 黄长太 | A kind of valve flashboard made of Novel environment-friendlymaterial material |
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