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CN111720577A - Corrosion-resistant high accuracy valve body of high leakproofness - Google Patents

Corrosion-resistant high accuracy valve body of high leakproofness Download PDF

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Publication number
CN111720577A
CN111720577A CN202010511604.8A CN202010511604A CN111720577A CN 111720577 A CN111720577 A CN 111720577A CN 202010511604 A CN202010511604 A CN 202010511604A CN 111720577 A CN111720577 A CN 111720577A
Authority
CN
China
Prior art keywords
valve body
sealing
valve
body main
movably mounted
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
Application number
CN202010511604.8A
Other languages
Chinese (zh)
Inventor
彭广毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Guorun Machinery Manufacturing Co Ltd
Original Assignee
Yancheng Guorun Machinery Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yancheng Guorun Machinery Manufacturing Co Ltd filed Critical Yancheng Guorun Machinery Manufacturing Co Ltd
Priority to CN202010511604.8A priority Critical patent/CN111720577A/en
Publication of CN111720577A publication Critical patent/CN111720577A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/023Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663Packings
    • F16K5/0689Packings between housing and plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663Packings
    • F16K5/0694Spindle sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details
    • F16K5/14Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Valve Housings (AREA)

Abstract

The invention relates to the technical field of valves and discloses a high-sealing corrosion-resistant high-precision valve body which comprises a valve body main body, wherein a ball valve is movably mounted inside the valve body main body, a gland is movably mounted at the top of the valve body main body, a valve rod penetrating through and extending into the ball valve is movably mounted at the top of the gland, a first sealing ring is movably mounted on the outer wall of the valve rod and positioned inside the valve body main body, sealing filler is filled in the valve body main body and positioned above the first sealing ring, and a second sealing ring is movably mounted on the outer wall of the valve rod and positioned above the sealing filler. This corrosion-resistant high accuracy valve body of high leakproofness through rotatory connecting pipe, and the connecting pipe passes through the third thread groove effect in fourth thread groove and the valve body main part and extrudees the sealing plug for the sealing plug fills the gap between valve body main part and the connecting pipe and the gap between sealing plug and the ball valve, reaches simple and convenient multiple sealed effect.

Description

Corrosion-resistant high accuracy valve body of high leakproofness
Technical Field
The invention relates to the technical field of valves, in particular to a corrosion-resistant high-precision valve body with high sealing property.
Background
The valve body is a main part of the valve; there are different mechanical manufacturing methods depending on the pressure class, for example: casting and forging and the like, wherein the valve body with the medium-low pressure specification is usually produced by adopting a casting process, the valve body with the medium-high pressure specification is produced by adopting a forging process, and can effectively bear medium pressure after being sealed together with the valve core and the valve seat sealing ring, the valve body is made of different metal materials according to different process media, and the common materials comprise: cast iron, cast steel, stainless steel, carbon steel and the like, and the definition of the valve body is as follows: a "valve" is defined as a device for controlling the direction, pressure and flow rate of a fluid in a fluid system, and a valve is a device that can control the flow rate of a medium (liquid, gas, powder) in piping and equipment by flowing or stopping the medium.
Traditional valve structure is complicated, and manufacturing cost is high, and is not convenient for installation dismantlement and maintenance, causes to use the condition such as inconvenient to take place, so proposes the corrosion-resistant high accuracy valve body of a high leakproofness and solves above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the corrosion-resistant high-precision valve body with high sealing property, which has the advantages of convenience in use and the like, and solves the problems of complex structure, high production cost, inconvenience in installation, disassembly and maintenance, inconvenience in use and the like of the traditional valve.
(II) technical scheme
In order to achieve the purpose of convenient use, the invention provides the following technical scheme: a high-sealing corrosion-resistant high-precision valve body comprises a valve body main body, wherein a ball valve is movably mounted inside the valve body main body, a gland is movably mounted at the top of the valve body main body, a valve rod penetrating and extending into the ball valve is movably mounted at the top of the gland, a first sealing ring is movably mounted on the outer wall of the valve rod and positioned above the valve body main body, sealing filler is filled in the valve body main body and positioned above the first sealing ring, a second sealing ring is movably mounted on the outer wall of the valve rod and positioned above the sealing filler, a pressing ring is movably mounted on the outer wall of the valve rod and positioned above the second sealing ring, a hand wheel is movably mounted at the top of the valve rod, sealing plugs are movably mounted inside the valve body main body and positioned on the left side and the right side of the ball valve, first flanges are fixedly mounted on the outer wall of the valve, the utility model discloses a valve body, including valve body main part, sealing plug, mounting groove, packing ring, the equal movable mounting in the back of the body side of sealing plug has the connecting pipe, the outer wall of connecting pipe and the equal fixed mounting in the left side and the right side that are located the valve body main part have the second flange, the mounting groove has all been seted up to the back of the body side of connecting pipe, the inside movable mounting of mounting groove has the packing ring, the looks dorsal part of packing ring is all seted up and is run through and extend.
Preferably, valve body main part, ball valve, valve rod and connecting pipe are the stainless steel metalwork, the outer wall of valve body main part, ball valve, valve rod and connecting pipe all sprays anticorrosive coating.
Preferably, the outer wall of the valve body main body is provided with a first thread groove, and the inner wall of the gland is provided with a second thread groove meshed with the first thread groove.
Preferably, the inner wall of the valve body main body is provided with a third thread groove, and the outer wall of the connecting pipe is provided with a fourth thread groove engaged with the third thread groove.
Preferably, the first sealing ring and the second sealing ring are O-shaped elastic sealing rubber rings, and the pressing ring is a chromium-plated metal ring.
Preferably, the inner diameters of the pressing rings are slightly larger than the outer diameter of the valve rod, and the outer diameter of the pressing ring is slightly smaller than the inner diameter of the valve body main body.
Preferably, the number of the sealing plugs and the number of the connecting pipes are two, and the two sealing plugs and the two connecting pipes are distributed in the valve body main body in a bilateral symmetry manner.
Preferably, the sealing plug is a synthetic rubber block, and the opposite sides of the sealing plug are both provided with arc-shaped surfaces corresponding to the ball valve.
Preferably, the number of the mounting holes is twelve, the twelve mounting holes are divided into two groups, and each group of the mounting holes are distributed on each connecting pipe in a circular array.
(III) advantageous effects
Compared with the prior art, the invention provides a high-sealing corrosion-resistant high-precision valve body, which has the following beneficial effects:
the high-tightness corrosion-resistant high-precision valve body has the advantages that the gland acts with a first thread groove on a valve body main body through a second thread groove by rotating the gland, the compression ring, a first sealing ring and a second sealing ring are driven to extrude sealing filler, so that the sealing filler tightly fills a gap between a valve rod and the valve body main body, the simple and convenient preliminary tightness effect is achieved, the connecting pipe is driven to be meshed with the valve body main body through the first flange and the second flange, the connecting pipe acts with a third thread groove on the valve body main body through a fourth thread groove and extrudes a sealing plug, the sealing plug fills the gap between the valve body main body and the connecting pipe and the gap between the sealing plug and a ball valve, the simple and convenient multiple sealing effect is achieved, the sealing performance of the corrosion-resistant high-precision valve body is improved, and finally the connecting pipe on the valve body and a pipeline to be, and fill the connecting pipe through the packing ring and wait to install the gap between the pipeline, further improved the sealing performance of this valve body, this corrosion-resistant high accuracy valve body adopts the screw thread to carry out swing joint with each spare part simultaneously, its simple structure, and the installation is dismantled conveniently to the practicality of this corrosion-resistant high accuracy valve body has been improved.
Drawings
FIG. 1 is a schematic structural view of a corrosion-resistant high-precision valve body with high sealing performance according to the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1 of a high-sealing, corrosion-resistant and high-precision valve body according to the present invention;
fig. 3 is an enlarged view of B in fig. 1 of a corrosion-resistant high-precision valve body with high sealing performance according to the present invention.
In the figure: 1 valve body main part, 2 ball valves, 3 glands, 4 valve rods, 5 first sealing rings, 6 sealing packing, 7 second sealing rings, 8 pressing rings, 9 hand wheels, 10 sealing plugs, 11 first flanges, 12 connecting pipes, 13 second flanges, 14 mounting grooves, 15 gaskets and 16 mounting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a high-sealing corrosion-resistant high-precision valve body comprises a valve body main body 1, a ball valve 2 is movably mounted inside the valve body main body 1, a gland 3 is movably mounted at the top of the valve body main body 1, a first thread groove is formed in the outer wall of the valve body main body 1, a second thread groove meshed with the first thread groove is formed in the inner wall of the gland 3, a valve rod 4 penetrating and extending into the ball valve 2 is movably mounted at the top of the gland 3, a first seal ring 5 is movably mounted on the outer wall of the valve rod 4 and located inside the valve body main body 1, a seal packing 6 is filled in the valve body main body 1 and located above the first seal ring 5, a second seal ring 7 is movably mounted on the outer wall of the valve rod 4 and located above the seal packing 6, a press ring 8 is movably mounted on the outer wall of the valve rod 4 and located above the second seal ring 7, the first seal ring 5 and the, the press ring 8 is a chrome-plated metal ring, the inner diameter of the press ring 8 is slightly larger than the outer diameter of the valve rod 4, the outer diameter of the press ring 8 is slightly smaller than the inner diameter of the valve body main body 1, a hand wheel 9 is movably mounted at the top of the valve rod 4, sealing plugs 10 are movably mounted inside the valve body main body 1 and on the left side and the right side of the ball valve 2, the sealing plugs 10 are synthetic rubber blocks, arc-shaped surfaces corresponding to the ball valve 2 are formed on the opposite sides of the sealing plugs 10, first flanges 11 are fixedly mounted on the outer wall of the valve body main body 1 and on the left side and the right side of the sealing plugs 10, connecting pipes 12 are movably mounted on the left side and the right side of the valve body main body 1, the ball valve 2, the valve rod 4 and the connecting pipes 12 are all stainless steel metal pieces, the outer walls of the valve body main body 1, the ball, the outer wall of the connecting pipe 12 is provided with fourth thread grooves meshed with the third thread grooves, the number of the sealing plugs 10 and the connecting pipes 12 is two, the two sealing plugs 10 and the connecting pipes 12 are symmetrically distributed in the valve body 1, the left side and the right side of the valve body 1 on the outer wall of the connecting pipe 12 are fixedly provided with second flanges 13, the opposite sides of the connecting pipe 12 are provided with mounting grooves 14, gaskets 15 are movably mounted in the mounting grooves 14, the opposite sides of the gaskets 15 are provided with mounting holes 16 penetrating and extending to the opposite sides of the connecting pipe 12, the number of the mounting holes 16 is twelve, the twelve mounting holes 16 are divided into two groups, each group of the mounting holes 16 is distributed on each connecting pipe 12 in a circular array, by rotating the gland 3, the gland 3 acts with the first thread grooves on the valve body 1 through the second thread grooves, and drives the pressure ring 8, the first sealing rings 5 and the second sealing rings 7 to extrude the sealing packing 6, the sealing filler 6 is tightly and quickly filled in the gap between the valve rod 4 and the valve body main body 1 to achieve the effect of simple, convenient and preliminary sealing performance, the first flange 11 and the second flange 13 drive the connecting pipe 12 to be occluded with the valve body main body 1, the connecting pipe 12 acts with the third thread groove on the valve body main body 1 through the fourth thread groove and extrudes the sealing plug 10, the sealing plug 10 is filled in the gap between the valve body main body 1 and the connecting pipe 12 and the gap between the sealing plug 10 and the ball valve 2 to achieve the effect of simple, convenient and multiple sealing, so that the sealing performance of the corrosion-resistant high-precision valve body is improved, finally, the connecting pipe 12 on the valve body is fixed with a pipeline to be installed through the installation hole 16, the gasket 15 is filled in the gap between the connecting pipe 12 and the pipeline to be installed, the sealing performance of the valve body is further improved, and meanwhile, the corrosion-resistant high-precision, the valve body is simple in structure and convenient to mount and dismount, and therefore the practicability of the corrosion-resistant high-precision valve body is improved.
In conclusion, according to the corrosion-resistant high-precision valve body with high sealing performance, by rotating the gland 3, the gland 3 acts with the first thread groove on the valve body main body 1 through the second thread groove and drives the pressing ring 8, the first sealing ring 5 and the second sealing ring 7 to extrude the sealing filler 6, so that the sealing filler 6 tightly fills the gap between the valve rod 4 and the valve body main body 1, the simple and convenient primary sealing performance is achieved, then the first flange 11 and the second flange 13 drive the connecting pipe 12 to be occluded with the valve body main body 1, the connecting pipe 12 acts with the third thread groove on the valve body main body 1 through the fourth thread groove and extrudes the sealing plug 10, so that the sealing plug 10 fills the gap between the valve body main body 1 and the connecting pipe 12 and the gap between the sealing plug 10 and the ball valve 2, the simple and convenient multiple sealing effect is achieved, and the sealing performance of the corrosion-resistant high-, at last through mounting hole 16 with connecting pipe 12 on this valve body with wait to install the pipeline and fix, and fill connecting pipe 12 and wait to install the gap between the pipeline through packing ring 15, the sealing performance of this valve body has further been improved, this corrosion-resistant high accuracy valve body adopts the screw to carry out swing joint with each spare part simultaneously, a structure is simple, the installation is dismantled conveniently, thereby the practicality of this corrosion-resistant high accuracy valve body has been improved, it is complicated to have solved traditional valve structure, high in production cost, and be not convenient for the installation to dismantle and maintain, cause the problem that the condition such as inconvenient use takes place.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a corrosion-resistant high accuracy valve body of high leakproofness, includes valve body main part (1), its characterized in that: the ball valve is characterized in that the ball valve (2) is movably mounted inside the valve body main body (1), the gland (3) is movably mounted at the top of the valve body main body (1), the valve rod (4) penetrating and extending into the ball valve (2) is movably mounted at the top of the gland (3), the first sealing ring (5) is movably mounted inside the valve rod (4) and located above the valve body main body (1), the sealing filler (6) is filled inside the valve body main body (1) and located above the first sealing ring (5), the second sealing ring (7) is movably mounted on the outer wall of the valve rod (4) and located above the sealing filler (6), the pressing ring (8) is movably mounted on the outer wall of the valve rod (4) and located above the second sealing ring (7), the hand wheel (9) is movably mounted at the top of the valve rod (4), and the sealing plug (10) is movably mounted on the left side and the right side of the ball valve body main body (1), the utility model discloses a sealing plug, including the outer wall of valve body main part (1), the equal fixed mounting in left side and the right side that just is located sealing plug (10) has first flange (11), the equal movable mounting in the back of the body side that just is located sealing plug (10) in left side and right side of valve body main part (1) has connecting pipe (12), the outer wall of connecting pipe (12) and the equal fixed mounting in left side and right side that is located valve body main part (1) have second flange (13), mounting groove (14) have all been seted up to the back of the body side of connecting pipe (12), the inside movable mounting of mounting groove (14) has packing ring (15), the back of the body side of packing ring (15) has all been seted up and has run through and.
2. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the valve body main part (1), the ball valve (2), the valve rod (4) and the connecting pipe (12) are stainless steel metal parts, and anticorrosive coatings are sprayed on the outer walls of the valve body main part (1), the ball valve (2), the valve rod (4) and the connecting pipe (12).
3. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the outer wall of the valve body main body (1) is provided with a first thread groove, and the inner wall of the gland (3) is provided with a second thread groove meshed with the first thread groove.
4. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the inner wall of the valve body main body (1) is provided with a third thread groove, and the outer wall of the connecting pipe (12) is provided with a fourth thread groove meshed with the third thread groove.
5. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the first sealing ring (5) and the second sealing ring (7) are O-shaped elastic sealing rubber rings, and the pressing ring (8) is a chromium-plated metal ring.
6. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the internal diameter of clamping ring (8) all slightly is greater than the external diameter of valve rod (4), the external diameter of clamping ring (8) slightly is less than the internal diameter of valve body main part (1).
7. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the number of the sealing plugs (10) and the number of the connecting pipes (12) are two, and the two sealing plugs (10) and the two connecting pipes (12) are symmetrically distributed in the valve body main body (1).
8. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the sealing plug (10) is a synthetic rubber block, and arc-shaped surfaces corresponding to the ball valves (2) are arranged on the opposite sides of the sealing plug (10).
9. The high-sealing corrosion-resistant high-precision valve body according to claim 1, characterized in that: the number of the mounting holes (16) is twelve, the twelve mounting holes (16) are divided into two groups, and each group of the mounting holes (16) are distributed on each connecting pipe (12) in a circular array.
CN202010511604.8A 2020-06-08 2020-06-08 Corrosion-resistant high accuracy valve body of high leakproofness Pending CN111720577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010511604.8A CN111720577A (en) 2020-06-08 2020-06-08 Corrosion-resistant high accuracy valve body of high leakproofness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010511604.8A CN111720577A (en) 2020-06-08 2020-06-08 Corrosion-resistant high accuracy valve body of high leakproofness

Publications (1)

Publication Number Publication Date
CN111720577A true CN111720577A (en) 2020-09-29

Family

ID=72566181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010511604.8A Pending CN111720577A (en) 2020-06-08 2020-06-08 Corrosion-resistant high accuracy valve body of high leakproofness

Country Status (1)

Country Link
CN (1) CN111720577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4411185A1 (en) * 2023-02-02 2024-08-07 Stant USA Corp. Multi-way valve with seal inserts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4411185A1 (en) * 2023-02-02 2024-08-07 Stant USA Corp. Multi-way valve with seal inserts

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Application publication date: 20200929

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