KR101686624B1

KR101686624B1 - Balloon Disk Valve

Info

Publication number: KR101686624B1
Application number: KR1020150099767A
Authority: KR
Inventors: 이상전
Original assignee: (주)성덕피앤이
Priority date: 2015-07-14
Filing date: 2015-07-14
Publication date: 2016-12-14

Abstract

A balloon disc valve according to an embodiment of the present invention includes: a valve body that can be connected to a tube through which a first fluid to be transported flows; a passage through which the first fluid can flow within the valve body; a balloon disc installed in the passage and capable of opening and closing the passage by changing volume due to an inflow and outflow of a second fluid as a working fluid; a shaft that is perpendicular to a direction of a tube through which the first fluid flows and is inserted through the balloon disc and into which the second fluid flows; and at least one inlet formed in the shaft, in which the second fluid flows in and out between the shaft and the balloon disc.

Description

Balloon Disk Valve

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a balloon disk valve, and more particularly, to a balloon disk valve capable of controlling the opening and closing of a flow inside a tube by a balloon disk.

A tube such as a steel pipe or a copper tube is usually used for transporting a fluid such as a gas or a liquid, and the fluid is transported by flowing the fluid inside the tube. At this time, it is the fluid valve which opens and closes the passage inside the pipe to regulate the fluid flow.

Conventional valves such as a ball valve, a solenoid valve, and the like, have a metal or non-metal open-end closing membrane that is controlled or opened or closed by mechanical movement. For example, in the case of a ball valve, a metal opening membrane is connected to a handle protruding out of the valve, and as the handle is rotated, the opening membrane also rotates together to adjust the flow rate or open or close.

However, a large driving force is required to open and close the valve due to the rotary motion of the opening closure, and friction between the inner wall forming the passage and the opening closure due to the kinetic frictional force may cause wear of the friction surface. In addition, since the chemical reaction with the fluid flowing inside the tube occurs, the open membrane may be corroded. If the open closure is worn or corroded, the valve will not function as a valve because it will not leak completely and will not be fully closed even if the valve is closed.

If an abnormality such as high temperature or high pressure occurs inside / outside the valve with the valve closed, the valve should be opened quickly to lower the temperature or pressure. Conventionally, a valve has been directly opened by a user, but in recent years, a valve has been developed to allow an elastic body to receive a high pressure to automatically open an emergency hole to allow the fluid inside to escape.

However, when an elastic body is used, since the elastic body is generally made of metal, when it becomes old, rusting or opening of the emergency hole is not smooth. Therefore, the original function can be lost and the safety can not be guaranteed. And because the fluid leaks out directly, if the fluid transporting through the pipe is a toxic hazardous material, additional safety accidents can occur.

Korea Patent No. 0947184 Korean Patent Publication No. 2014-0095694

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus and a method for opening and closing a valve using only a small driving force such as the input and output of a working fluid by using a balloon disk as an opening valve in a valve, The airtightness of the valve can be maintained only by a simple operation of the balloon disc valve.

Another object is to provide a balloon disc valve in which the life of the valve is extended by reducing the risk of the balloon disk being worn or corroded by a malleable material.

Another problem is that when an abnormal phenomenon such as a high pressure or a high temperature occurs in the inside or outside of the valve, the safety pin formed at one end of the shaft melts, breaks, or departs and quickly releases the working fluid inside the balloon disk. And a balloon disk valve that is rotatably supported by the balloon.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a balloon disc valve comprising: a valve body capable of being connected to a tube through which a first fluid to be transported flows; A passage (100) through which the first fluid can flow within the valve body (10); A balloon disk 11 installed inside the passage 100 and capable of opening and closing the passage by changing volume due to the inflow and outflow of a second fluid as a working fluid; A shaft 12 perpendicular to the direction of the tube through which the first fluid flows and inserted through the balloon disk 11 and through which the second fluid flows; And an inflow hole (120) formed at least on the shaft (12) and through which the second fluid flows between the shaft (12) and the balloon disk (11); .

The balloon disk (11) is made of a material having elasticity, the balloon disk bag (110) through which the shaft (12) penetrates and accommodates the second fluid therein; A balloon disc fixing table 111 provided with a space for inserting both ends of the shaft 12 and fixing the balloon disc 11; And a balloon disk fixing plate 112 formed at an end of the balloon disk fixing table 111; .

When the second fluid flows into the balloon disk bag 110, the balloon disk 110 expands to form a sphere to seal the passage 100.

The shaft 12 passes through the balloon disk bag 110 so as to pass through the center of the shape of a sphere formed when the balloon disk 110 inflates.

The balloon disk fixing plate 112 has a disk shape, and wrinkles are generated on both sides.

The valve body 10 further includes a valve body support 101 protruding from both outer walls of the valve body 10.

Inside the valve body support 101, an insertion groove 102 into which the balloon disk fixing table 111 and the balloon disk fixing plate 112 are inserted is formed.

At both ends of the shaft 12, a shaft fixing plate 124 inserted into the insertion groove 102 together with the balloon disk fixing plate 112 is formed.

A cover 103 is coupled to both ends of the valve body support 101.

The valve body 10 further includes an airtight holding portion 104 formed on the inner wall of the valve body 10, which is formed around the inner wall of the valve body 10, as a tapered annular seat.

The shaft 12, the balloon disk holder 111 and the valve body support 101 share a central axis formed in the longitudinal direction by one axis, and the direction of the central axis is orthogonal to the direction in which the passage 100 is formed .

And a nozzle 121 installed at one end of the shaft 12 and allowing the second fluid to flow into and out of the shaft 12. [

At least one safety pin provided at one end of the shaft and being melted, broken or separated when the temperature inside the passageway (100) becomes equal to or higher than a reference temperature or the pressure inside the passageway (100) 122).

The safety pin 122 can be replaced according to the changed reference temperature or reference pressure when the reference temperature or the reference pressure changes according to the use of the valve.

And a gas inlet / outlet adjusting device (123) installed at the other end of the shaft (12) for controlling the flow of the second fluid remotely.

Other specific details of the invention are included in the detailed description and drawings.

According to the embodiments of the present invention, at least the following effects are obtained.

The balloon disk valve according to the present invention is a balloon disk valve that uses an inflatable disk as an opening membrane in a valve to realize opening and closing of the valve by only a small driving force of input and output of the working fluid and to control the pressure of the working fluid The airtightness of the valve can be maintained by a simple operation.

In addition, the balloon disk is made of a soft material, which reduces the risk of wear or corrosion and extends the service life of the valve and does not cause the seizing phenomenon typically occurring in mechanical valves.

In addition, when an abnormal phenomenon such as high pressure or high temperature occurs in the inside / outside of the valve, the safety pin formed at one end of the shaft is melted, broken or deviated, and the working fluid in the balloon disk is rapidly discharged to the outside.

In addition, since the flow direction of the first fluid and the second fluid is orthogonal to each other, the first fluid and the second fluid can be completely isolated without being mixed.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

Fig. 1 is a partially cutaway perspective view of the balloon disc valve 1. Fig.
2 is a partially cutaway perspective view of the valve body 10. Fig.
3 is a partially cutaway perspective view of the balloon disk 11. Fig.
4 is a partially cutaway perspective view of the shaft 12. Fig.
5 is a half sectional exploded perspective view of the shaft 12, the balloon disk 11, and the valve body 10.
6 is a longitudinal sectional view of the balloon disc valve 1 showing the change of the balloon disc 11 generated when the valve is opened and closed.
7 is a front view of the balloon disc valve 1 showing the closed state of the valve.
8 is an enlarged oblique view of the shaft portion where the nozzle 121 is formed.
9 is an enlarged perspective view of the main portion of the shaft portion where the gas inlet / outlet adjusting device 123 is formed.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

&Quot; and / or "include each and every combination of one or more of the mentioned items. &Lt; RTI ID = 0.0 >

Further, the embodiments described herein will be described with reference to cross-sectional views and / or schematic drawings that are ideal illustrations of the present invention. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. In addition, in the drawings of the present invention, each component may be somewhat enlarged or reduced in view of convenience of explanation. Like reference numerals refer to like elements throughout the specification.

Although the first, second, etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used only to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical scope of the present invention.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms " comprises "and / or" comprising "used in the specification do not exclude the presence or addition of one or more other elements in addition to the stated element.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" And can be used to easily describe a correlation between an element and other elements. Spatially relative terms should be understood in terms of the directions shown in the drawings, including the different directions of components at the time of use or operation. For example, when inverting an element shown in the figures, an element described as "below" or "beneath" of another element may be placed "above" another element . Thus, the exemplary term "below" can include both downward and upward directions. The components can also be oriented in different directions, so that spatially relative terms can be interpreted according to orientation.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a partially cutaway perspective view of the balloon disc valve 1. Fig.

1, the balloon disc valve 1 is constituted by a valve body 10, a balloon disk 11, and a shaft 12. As shown in Fig.

As shown in Fig. 1, the balloon disc valve 1 is provided with a valve body 10 such that the balloon disc valve 1 is connected to a tube through which a first fluid to be controlled is flowed. A passage 100 is formed in the valve body 10 so that the first fluid can flow and the passage 100 is opened or closed by the volume change of the balloon disk 11 installed in the passage 100, Fluid flow is regulated.

1, the length of the shaft 12 is longer than the diameter of the balloon disk bag 110, and the shaft 12 is inserted through the balloon disk 11. As shown in Fig. Therefore, when the shaft 12 passes through the balloon disk bag 110, both ends of the shaft 12 protrude to the outside of the balloon disk bag 110. The balloon disk fixing table 111 is provided with a space therein, and both ends of the protruded shaft 12 are inserted into the balloon disk fixing table.

The second fluid is a working fluid for regulating the volume of the balloon disk 11, and the second fluid flows inside the shaft 12. The second fluid flows between the shaft 12 and the inside of the balloon disk bag 110 through the inflow hole 120 formed in the shaft 12. The volume of the balloon disk 11 changes due to the second fluid flowing out.

Fig. 2 is a partially cutaway perspective view of the balloon disk 11, and Fig. 3 is a partially cutaway perspective view of the shaft 12. Fig.

As shown in Fig. 2, the balloon disk 11 is composed of a balloon disk bag 110, a balloon disk fixing table 111, and a balloon disk fixing plate 112. And opens and closes the valve by adjusting the inflow amount of the second fluid.

The balloon disk bag 110 is in the form of a bag for receiving the second fluid therein. It is preferable that the balloon disk bag 110 has the shape of a sphere when the balloon disk bag 110 is inflated. However, when the pathway 100 is closed depending on the shape of the pathway 100, The balloon disk bag 110 may have a different shape.

As shown in Fig. 3, the shaft 12 is in the form of an elongate tube, and particularly preferably in the shape of a cylinder. As described above, the shaft 12 penetrates the balloon disk 11, and is inserted through the balloon disk 110, in particular. When the balloon disk bag 110 expands to have the shape of a sphere, the shaft 12 preferably penetrates the balloon disk bag 110 so as to pass through the center of the sphere.

As shown in FIGS. 2 and 3, the inflatable disc fixing table 111 has a cylinder shape. The inflatable disc fixing table 111 has a cylindrical shape, Space is provided. The space provided inside the balloon disk holder 111 has the same width and shape as both ends of the shaft 12 so that both ends of the shaft 12 are inserted, and the space is preferably a shape of a cylinder. The balloon disk fixing bars 111 are formed on the outer wall of the opposite sides of the balloon disk bag 110, and the central axes of the two balloon disk fixing members 111 in the longitudinal direction share the same axis.

At the ends of the two balloon disk holders 111, a balloon disk holding plate 112 having a disk shape is formed. The longitudinal direction of the balloon disk fixing table 111 and the surface direction of the balloon disk fixing plate 112 coincide with each other. The central axis in the longitudinal direction of the balloon disk fixing table 111 and the central axis in the plane direction of the balloon disk fixing plate 112 are formed so as to share the same axis.

It is preferable that the balloon disk bag 110, the balloon disk fixing table 111 and the balloon disk fixing plate 112 constituting the balloon disk 11 are integrally formed and can not be separated. Further, the balloon disk 11 is made of a material having ductility and no permeability to gas. For example, rubber, synthetic resin, leather or the like may be used, but it is preferably made of elastic rubber or synthetic resin.

As shown in FIG. 3, at least one inlet / outlet hole 120 is formed in a substantially central portion of the shaft 12, and a second fluid flows inside the shaft 12. The second fluid can flow in and out between the shaft 12 and the inside of the balloon disk pocket 110 through the inflow hole 120 formed in the shaft 12. [ The speed of the volume change of the balloon disk 11 can be changed by changing the number of the inlet and outlet holes 12. [

The shaft 12 is made of a rigid material, such as steel or copper. The thickness and rigidity of the shaft 12 should be sufficiently thick and strong so as not to be broken or deformed by the hydraulic pressure generated when the first fluid flows through the passage 100. However, the resistance must be minimized so that the amount of flow and the flow rate of the first fluid are sufficiently small to not significantly decrease. The exact thickness and rigidity may vary depending on the application of the valve, the type of first fluid, the hydraulic pressure, the flow rate, and the like.

Fig. 4 is a partially cutaway perspective view of the valve body 10. Fig.

As shown in FIG. 4, a flange is formed outside the valve body 10, so that the valve body 10 and the tube for transporting the first fluid can be coupled to each other by bolts or other coupling tools. The valve body 10 may be made of steel or copper although the material of the valve body 10 may vary depending on the type of pipe (steel pipe, copper pipe, PVC pipe, etc.) to be connected.

As shown in FIG. 4, a passage 100 is formed in the valve body 10 so that the first fluid can flow. The valve body 10, which forms the passage 100, And a body support 101 protruding from each other. The valve body 10 and the valve body support 101 are not integrally separable and are preferably made of the same material.

5 is an exploded perspective view of the shaft 12, the balloon disk 11, and the valve body 10.

5, an insertion groove 102 is formed in each of the two valve body supports 101, and a balloon disk fixing plate 111 and a balloon disk fixing plate 112 are inserted into the insertion groove 102, respectively. do. Both ends of the shaft 12 are inserted into the respective spaces provided inside the balloon disk holder 111. In this manner, the shaft 12, the balloon disk 11, and the valve body 10 are overlapped and assembled with each other.

The second fluid flows into the shaft 12. The shaft 12, the balloon disk holder 111, and the valve body support 101 share a central axis formed in the longitudinal direction by a single shaft. The direction of this axis is perpendicular to the longitudinal direction in which the passage 100 is formed. That is, the direction in which the first fluid flows and the direction in which the second fluid flows are orthogonal to each other. The nozzle 121 formed at one end of the shaft 12 and into which the second fluid flows from the outside into the shaft 12 is exposed to the outside of the valve body 10 as described below. Therefore, there is no problem that the first fluid and the second fluid are mixed with each other in the process of flowing.

6 is a longitudinal sectional view of the balloon disc valve 1 showing the change of the balloon disc 11 generated when the valve is opened and closed.

6, when the second fluid flows out from the shaft 12 through the inflow hole 120, the second fluid flows into the inflatable disc bag 110, and the inflatable disc bag 110 And the passage 100 is closed. On the other hand, when the second fluid flows into the shaft 12 from the inside of the balloon disk bag 110 through the inflow hole 120, the balloon disk bag 110 shrinks to form the passage 100 inside the tube Open. The flow regulation of the second fluid is not described in detail or in the drawings, but it is preferred that the second fluid is supplied by a known pump and automatic pressure regulator. The second fluid supplied in the above-described manner flows into the shaft 12 through the nozzle 121 formed at one end of the shaft 12, which will be described later.

As shown in FIG. 6, the inner wall of the valve body 10 is formed with a hermetic portion 104 along the inner wall. When the balloon disk 11 expands to its maximum, the airtightness holding portion 104 completely closes the passage 100 by filling a gap that can occur between the balloon disk 11 and the inner wall of the passage 100, Prevent fluid leakage. It is preferable that the hermetic sealing portion 104 is a tapered annular sheet.

7 is a front view of the balloon disc valve 1 showing the closed state of the valve.

As shown in FIG. 7, it is preferable that the balloon disk bag 110 of the balloon disk 11 described above is a circle of a sphere. However, if the passage 100 is closed in accordance with the shape of the passage 100, the balloon disk bag 110 may have a different shape if the passage 100 is completely sealed.

In addition, as described above, when the valve is closed, the balloon disk 11 is fully expanded to completely seal the passage 100, and a hermetic portion 104 (not shown) (100) by filling a gap that may occur between the inner walls of the passageway (100) to prevent leakage of the first fluid.

8 is an enlarged oblique view of the shaft portion where the nozzle 121 is formed.

When the second fluid flows into the balloon disk bag 110, a high pressure is generated, and there is a risk that the second fluid leaks to the outside through the contact between the balloon disk fixing table 111 and the shaft 12. 8, a plurality of corrugations are formed on both sides of the balloon disk fixing plate 112 so that the balloon disk fixing plate 112 can be brought into close contact with the valve body support 101. [

Further, a shaft fixing plate 124 is formed at both ends of the shaft 12. The shaft fixing plate 124 is inserted into the insertion groove 102 together with the balloon disk fixing plate 112 to fix the shaft 12 and at the same time the balloon disk fixing plate 112 is further closely contacted. The cover 103 is engaged with both ends of the valve body support 101, so that the insertion groove 102 is completely sealed. The second fluid can be prevented from leaking out in the same manner as described above.

As shown in FIG. 8, a nozzle 121 is formed at one end of the shaft 12. As described above, the second fluid is supplied by a known pump and an automatic pressure regulator, and the second fluid flows out of the shaft 12 through the nozzle 121 from the outside. The nozzle 121 is exposed to the outside of the valve body 10.

At one end of the shaft 12, at least one safety pin 122 is formed. When the first fluid flowing inside the pipe or valve exceeds the reference pressure or the reference temperature, the safety pin 122 is melted, broken or released. Specifically, when the second fluid flows into the interior of the balloon disk 11, the balloon disk bag 110 expands. Then, the pressure of the first fluid increases. However, if the pressure or temperature of the first fluid is too high, the tube or valve can not withstand its pressure or temperature and can break, and even explosion can occur. In order to alleviate this risk, the pressure or temperature of the first fluid must be lowered. Thus, it is desirable to force the valve to open to allow the first fluid to flow again. The high pressure or temperature of the first fluid is transferred to the second fluid through the balloon disk bag 110. That is, the pressure or temperature together with the second fluid also becomes high. When the pressure or temperature of the second fluid inside the balloon disk bag 110 is increased, the pressure or the temperature of the second fluid inside the shaft 12 through the inlet / outlet hole 120 also increases, If the pressure or temperature of the fluid exceeds the reference pressure or the reference temperature, the safety pin 122 melts, breaks or is released. Then, a hole for connecting the inside and the outside of the shaft 12 is formed, through which the second fluid inside the shaft 12 can be discharged to the outside. At this time, the volume of the balloon disk 11 is reduced and the valve that was closed is automatically opened, thereby preventing the balloon disk valve 1 from being damaged. The safety pin 122 may be attached to one end of the shaft 12 using a separate adhesive material or may be inserted into the hole using a material having a high frictional force, The connection part may be made weakly so that it is integrally manufactured but is easily broken. That is, if the fluid can be melted or broken or released by the high pressure or the temperature of the fluid, various methods that can be easily obtained by a person skilled in the art can be used.

The reference pressure or the reference temperature is set by the user in consideration of the combination of the use of the valve, the kind of the first fluid, the flow pressure, the flow rate, the kind of the pipe, etc., and the safety pin 122 can be manufactured in various materials and sizes, Can be selected according to the use purpose.

9 is an enlarged perspective view of the main portion of the shaft portion where the gas inlet / outlet adjusting device 123 is formed.

As shown in FIG. 9, the other end of the shaft 12 is provided with a gas inlet / outlet adjusting device 123 which can remotely control the flow of the second fluid. Since the gas can be remotely controlled by the gas inlet / outlet adjusting device 123, the manager can quickly and easily perform the valve adjustment in a large facility or a place with many facilities such as a building. It is preferable to use a known remote control device as the gas inlet / outlet adjustment device 123 provided in the present invention.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

1: balloon disc valve 10: valve body
11: balloon disk 12: shaft
100: passage 101: valve body support
102: insertion groove 103: cover
104: confidential portion 110: balloon disc pocket
111: balloon disk holder 112: balloon disk holder plate
120: inlet / outlet hole 121: nozzle
122: safety pin 123: gas inlet / outlet adjustment device
124: Shaft fixing plate

Claims

A valve body connected to a tube through which the first fluid to be controlled flows, the passage body having a passage through which the first fluid can flow;
A balloon disk installed in the passage and capable of opening and closing the passage by changing the volume according to the flow of the second fluid as the working fluid;
A shaft that is perpendicular to the direction of the tube through which the first fluid flows and is inserted through the balloon disk and into which the second fluid flows; And
And an inflow hole formed in the shaft to allow the second fluid to flow between the shaft and the balloon disk,
In the balloon disk,
A balloon disk pocket through which the shaft passes and which is made of a material having elasticity and accommodates the second fluid therein;
A balloon disk holder having a space for inserting both ends of the shaft and fixing the balloon disk; And
And a balloon disk fixing plate formed at an end of the balloon disk fixing table,
Wherein the valve body comprises:
Further comprising a valve body support protruding from both outer walls of the valve body,
Inside the valve body support,
And an insertion groove into which the balloon disk fixing table and the balloon disk fixing plate are inserted is formed.

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The balloon disc valve of claim 1, wherein the balloon-shaped disc envelope expands in the form of a sphere to seal the passage when the second fluid is introduced therein.

4. The balloon disc valve of claim 3, wherein the shaft passes through the balloon disc pocket such that it passes through the center of the shape of the inflated ball.

2. The balloon disc valve of claim 1, wherein the balloon disk retaining plate is in the form of a disc and wrinkles are produced on both sides.

delete

The balloon disc valve according to claim 1, wherein a shaft fixing plate inserted into the insertion groove together with the balloon disk fixing plate is formed at both ends of the shaft.

The balloon disc valve of claim 1, wherein a cover is coupled to both ends of the valve body support.

The balloon disc valve according to claim 1, wherein the valve body further comprises an airtight holding portion, which is a tapered annular seat formed along the inner wall of the inner wall of the valve body.

2. The balloon disc valve of claim 1, wherein the shaft, the balloon disc fixture, and the valve body support share a longitudinally formed central axis with one axis, the direction of the central axis being orthogonal to the direction in which the passage is formed.

The balloon disc valve according to claim 1, further comprising a nozzle installed at one end of the shaft, the nozzle allowing the second fluid to flow into and out of the shaft.

The apparatus of claim 1, further comprising: at least one safety pin provided at one end of the shaft, wherein the temperature inside the passage becomes equal to or higher than a reference temperature, or the pressure inside the passage becomes equal to or higher than a reference pressure, Balloon disc valve.

14. The balloon disc valve according to claim 13, wherein the safety pin is replaceable according to a changed reference temperature or a reference pressure when the reference temperature or the reference pressure changes depending on the use of the valve.

The balloon disc valve according to claim 1, further comprising: a gas inlet / outlet adjusting device installed at the other end of the shaft and regulating the inflow / outflow of the second fluid remotely.