KR200407193Y1 - The opening and closing valve for the pressure gauge maintenance and administration with heat plate - Google Patents

The opening and closing valve for the pressure gauge maintenance and administration with heat plate Download PDF

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Publication number
KR200407193Y1
KR200407193Y1 KR2020050031801U KR20050031801U KR200407193Y1 KR 200407193 Y1 KR200407193 Y1 KR 200407193Y1 KR 2020050031801 U KR2020050031801 U KR 2020050031801U KR 20050031801 U KR20050031801 U KR 20050031801U KR 200407193 Y1 KR200407193 Y1 KR 200407193Y1
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South Korea
Prior art keywords
pressure gauge
fluid
spindle
heat sink
valve
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KR2020050031801U
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Korean (ko)
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양경돈
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주식회사 협성히스코
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/04—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • 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
    • F16K49/00—Means in or on valves for heating or cooling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Details Of Valves (AREA)

Abstract

본 고안은 방열판이 구비된 압력게이지 보수점검용 개폐밸브에 관한 것으로, 밸브본체 내부에서 이송되는 유체의 누출을 최대한 방지할 수 있으며 이송되는 유체에서 발생되는 고온의 열을 방열하는 방열판을 구비함과 동시에, 상기 방열판으로 인해 시각적으로 개폐밸브가 고온인 것을 사용자로 하여금 인지시킬 수 있는 방열판이 구비된 압력게이지 보수점검용 개폐밸브에 관한 것이다.The present invention relates to a pressure gauge maintenance check valve equipped with a heat sink, which can prevent leakage of fluid transferred from the inside of the valve body as much as possible, and has a heat sink for dissipating high temperature heat generated from the transported fluid. At the same time, it relates to a pressure gauge maintenance check valve provided with a heat sink that allows the user to visually recognize that the on-off valve is a high temperature due to the heat sink.

본 고안의 구성은, 양측에는 압력게이지와 유체이송파이프가 연결되는 압력게이지연결부와 유체이송파이프연결부가 각각 형성되며 그 내부의 감압부 외측에는 보스부가 형성되는 밸브본체와, 상기 밸브본체의 보스부에 장착되어 감압부의 유체통로홀을 제어하는 스핀들과, 상기 스핀들의 상단부에 결합되어 이의 회전을 용이하게 하는 핸들로 구성된 압력게이지 보수점검용 개폐밸브에 있어서, 상기 보스부와 유체이송파이프연결부 사이의 밸브본체 외주연에는 고온의 열을 방열하도록 적어도 하나 이상의 방열판이 구비되는 것을 특징으로 한다.The configuration of the present invention, the valve body is formed on both sides of the pressure gauge connection and the fluid transfer pipe connecting the pressure gauge and the fluid transfer pipe and the boss body is formed on the outside of the pressure reducing portion therein, the boss portion of the valve body In the pressure gauge maintenance check valve composed of a spindle mounted on the control unit for controlling the fluid passage hole of the decompression unit, and a handle coupled to the upper end of the spindle to facilitate rotation thereof, between the boss portion and the fluid transfer pipe connection portion. At least one heat sink is provided on the outer circumference of the valve body to dissipate high temperature heat.

압력게이지, 개폐밸브, 방열판, 보호밸브 Pressure gauge, on / off valve, heat sink, protective valve

Description

방열판이 구비된 압력게이지 보수점검용 개폐밸브{THE OPENING AND CLOSING VALVE FOR THE PRESSURE GAUGE MAINTENANCE AND ADMINISTRATION WITH HEAT PLATE}Pressure gauge maintenance check valve with heat sink {THE OPENING AND CLOSING VALVE FOR THE PRESSURE GAUGE MAINTENANCE AND ADMINISTRATION WITH HEAT PLATE}

도 1은 본 고안에 따른 개폐밸브의 분해 사시도,1 is an exploded perspective view of the on-off valve according to the present invention,

도 2는 본 고안에 따른 개폐밸브의 결합 사시도,2 is a combined perspective view of the on / off valve according to the present invention,

도 3은 본 고안에 따른 개폐밸브의 분해 단면도,3 is an exploded cross-sectional view of the on-off valve according to the present invention,

도 4는 본 고안에 따른 개폐밸브의 결합 단면도.4 is a cross-sectional view of the on-off valve according to the present invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

100 : 밸브본체 110 : 압력게이지연결부100: valve body 110: pressure gauge connection

112, 122 : 나사부 120 : 유체이송파이프연결부112, 122: thread portion 120: fluid transfer pipe connecting portion

130 : 감압부 140 : 유체통로홀130: decompression unit 140: fluid passage hole

200 : 보스부 210 : 스토퍼200: boss portion 210: stopper

220 : 방열판 230 : 암나사부220: heat sink 230: female thread portion

240 : 나사부 300 : 스핀들240: thread portion 300: spindle

310 : 체결부 320, 520 : 결합홈310: fastening portion 320, 520: coupling groove

320a : 스핀들오링 330 : 수나사부320a: Spindle O-ring 330: Male thread

340 : 개폐부 400 : 패킹340: opening and closing 400: packing

410, 510 : 삽입홀 500 : 밀봉너트410, 510: Insertion hole 500: Sealing nut

510a : 밀봉너트오링 600 : 고정너트510a: Sealing nut O-ring 600: Fixing nut

700 : 핸들 710 : 체결홈700: handle 710: fastening groove

본 고안은 스팀의 압력을 측정하기 위한 압력게이지를 보수, 점검 및 수리할 때에 측정유체를 개폐하기 위해 사용되는 방열판이 구비된 압력게이지 보수점검용 개폐밸브에 관한 것으로, 밸브본체 내부에서 이송되는 유체의 누출을 최대한 방지할 수 있으며 이송되는 유체에서 발생되는 고온의 열을 방열하는 방열판을 구비함과 동시에, 상기 방열판으로 인해 시각적으로 개폐밸브가 고온인 것을 사용자로 하여금 인지시킬 수 있는 방열판이 구비된 압력게이지 보수점검용 개폐밸브에 관한 것이다.The present invention relates to a pressure gauge maintenance check valve equipped with a heat sink used to open and close a measurement fluid when repairing, checking and repairing a pressure gauge for measuring steam pressure. It is possible to prevent the leakage of the maximum and has a heat sink to dissipate the heat of the high temperature generated in the conveyed fluid, and at the same time, the heat sink is provided with a heat sink that allows the user to visually recognize that the on-off valve is hot due to the heat sink It relates to an on / off valve for pressure gauge maintenance inspection.

일반적으로, 배관라인과 압력탱크에는 유입된 내부의 압력을 확인할 수 있도록 하기 위한 압력게이지가 설치된다. 이러한 압력게이지는 급격한 압력 변동이나 측정범위 밖의 과도한 압력에 의해 압력게이지가 고장 혹은 파손되었을 경우 상기 압력게이지를 교체할 때 사용할 수 있도록 개폐밸브가 설치된다.In general, a pressure gauge is installed in the piping line and the pressure tank so as to check the internal pressure introduced therein. The pressure gauge is provided with an on-off valve to be used when replacing the pressure gauge when the pressure gauge is broken or damaged by a sudden pressure fluctuation or excessive pressure outside the measurement range.

종래의 압력게이지 보수점검용 개폐밸브는 고온의 유체가 유통되는 상태에서 사용자가 이를 인지하지 못하고 손으로 만지거나 또는 신체의 부위가 접촉하게 되어 화상을 입게 되는 경우가 자주 발생하는 문제점이 있었다.Conventional pressure gauge maintenance check valve has a problem that the user often does not recognize this in the state where the high-temperature fluid is circulated, or touched by hand or a part of the body to be burned.

본 고안은 상기와 같은 종래의 문제점을 해결하기 위하여 안출된 것으로, 밸브본체 내부에서 이송되는 유체의 누출을 최대한 방지할 수 있으며 이송되는 유체에서 발생되는 고온의 열을 방열하는 방열판을 구비함과 동시에, 상기 방열판으로 인해 시각적으로 개폐밸브가 고온인 것을 사용자로 하여금 인지시킬 수 있는 방열판이 구비된 압력게이지 보수점검용 개폐밸브를 제공하는 데 그 목적이 있다.The present invention has been devised to solve the conventional problems as described above, it is possible to prevent the leakage of the fluid transported inside the valve body as much as possible and at the same time having a heat sink to dissipate high temperature heat generated from the transported fluid Another object of the present invention is to provide a pressure gauge maintenance check valve equipped with a heat sink capable of allowing a user to visually recognize that the open / close valve is hot due to the heat sink.

본 고안에 따른 방열판이 구비된 압력게이지 보수점검용 개폐밸브는, 양측에는 압력게이지와 유체이송파이프가 연결되는 압력게이지연결부와 유체이송파이프연결부가 각각 형성되며 그 내부의 감압부 외측에는 보스부가 형성되는 밸브본체와, 상기 밸브본체의 보스부에 장착되어 감압부의 유체통로홀을 제어하는 스핀들과, 상기 스핀들의 상단부에 결합되어 이의 회전을 용이하게 하는 핸들로 구성된 압력게이지 보수점검용 개폐밸브에 있어서, 상기 보스부와 유체이송파이프연결부 사이의 밸브본체 외주연에는 고온의 열을 방열하도록 적어도 하나 이상의 방열판이 구비되는 것을 특징으로 한다.Pressure gauge maintenance check valve provided with a heat sink according to the present invention, the pressure gauge connection portion and the fluid transfer pipe connecting portion is connected to the pressure gauge and the fluid transfer pipe on both sides, respectively, the boss is formed on the outside of the decompression portion therein In the pressure gauge maintenance check valve comprising a valve body, a spindle mounted to the boss of the valve body to control the fluid passage hole of the pressure reducing portion, and a handle coupled to the upper end of the spindle to facilitate the rotation thereof. At least one heat sink is provided on the outer circumference of the valve body between the boss and the fluid transfer pipe connection to dissipate high temperature heat.

또한, 상기 스핀들의 중단부에는 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 스핀들오링이 결합되도록 결합홈이 형성되며, 상기 스핀들에 끼워져 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 패킹이 구비되고, 상기 스핀들에 끼워져 상기 보스부의 상단에 결합 고정되며 그 외주연에는 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 밀봉너트오링이 결합되도록 결합홈이 형성된 밀봉너트가 구비되는 것을 특징으로 한다.In addition, the stop portion of the spindle is in close contact with the inner circumference of the boss portion is formed a coupling groove so that the spindle O-ring is coupled to prevent the leakage of fluid, is fitted to the spindle is in close contact with the inner circumference of the boss portion of the fluid The packing is provided to prevent the leakage of the coupling groove is fitted to the spindle coupled to the upper end of the boss portion, the outer periphery is in close contact with the inner circumference of the boss portion is tightly coupled to the sealing nut O-ring to prevent fluid leakage The formed sealing nut is characterized in that it is provided.

이하, 첨부된 도면을 참조로 본 고안의 실시예를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 고안에 따른 개폐밸브의 분해 사시도이며, 도 2는 본 고안에 따른 개폐밸브의 결합 사시도이고, 도 3은 본 고안에 따른 개폐밸브의 분해 단면도이며, 도 4는 본 고안에 따른 개폐밸브의 결합 단면도이다.1 is an exploded perspective view of the on-off valve according to the present invention, Figure 2 is a combined perspective view of the on-off valve according to the present invention, Figure 3 is an exploded cross-sectional view of the on / off valve according to the present invention, Figure 4 is an opening and closing according to the present invention This is a cross sectional view of the valve.

도 1내지 도 4에 도시된 바와 같이, 일측 내주연에 나사부(112)가 형성되어 압력게이지(미도시)와 상호 체결되는 압력게이지연결부(110)와, 타측 외주연에 나사부(122)가 형성되어 유체이송파이프(미도시)와 상호 체결되는 유체이송파이프연결부(120)와, 그 내부의 감압부(130) 외측에는 보스부(200)가 형성되는 밸브본체(100)가 구비되되, 상기 밸브본체(100)의 보스부(200) 상단 일측에는 스토퍼(210)가 일체로 형성되며, 상기 밸브본체(100)의 보스부(200) 상단 내주연에는 나사부(240)가 형성되며, 그 하부로 암나사부(230)가 형성된다.As shown in Figure 1 to Figure 4, the screw portion 112 is formed on one side inner circumference to form a pressure gauge connecting portion 110 and mutually fastened with a pressure gauge (not shown), the thread portion 122 is formed on the other outer circumference And a fluid transfer pipe connecting portion 120 coupled to the fluid transfer pipe (not shown), and a valve body 100 having a boss portion 200 formed outside the pressure reducing unit 130 therein, wherein the valve A stopper 210 is integrally formed at one end of the boss part 200 of the main body 100, and a screw part 240 is formed at an inner circumference of the upper end of the boss part 200 of the valve body 100. A female screw portion 230 is formed.

한편, 상기 밸브본체(100)의 보스부(200)에 장착되어 감압부(130)의 유체통로홀(140)을 제어하는 스핀들(300)이 구비되되, 상기 스핀들(300)은 상단 외주연에는 고정너트(600)가 체결되도록 나사선이 형성되며, 그 하부로 체결홈(710)을 갖는 핸들(700)이 체결되도록 상기 체결홈(710)과 대응되게 체결부(310)가 형성되고, 그 하부로 유체의 누출을 방지하는 스핀들오링(320a)이 결합되도록 결합홈(320)이 형성되며, 그 하부로 상기 보스부(200)의 암나사부(230)에 연동되게 결합되는 수나사부(330)가 형성되고, 그 하부로 상기 유체통로홀(140)의 유체 흐름을 제어하는 개폐부(340)가 형성되어 이루어진다.On the other hand, the spindle 300 is mounted to the boss portion 200 of the valve body 100 to control the fluid passage hole 140 of the pressure reducing unit 130, the spindle 300 is the upper outer periphery A screw thread is formed to fasten the fixing nut 600, and a fastening part 310 is formed to correspond to the fastening groove 710 so that the handle 700 having the fastening groove 710 is fastened to the bottom thereof. Coupling groove 320 is formed so that the spindle O-ring (320a) to prevent the leakage of the furnace fluid is formed, the male screw portion 330 which is coupled to the female screw portion 230 of the boss portion 200 in the lower portion The opening and closing portion 340 is formed to control the fluid flow of the fluid passage hole 140 in the lower portion.

여기서, 상기 스핀들(300)의 결합홈(320) 상측에 끼워져 결합되도록 내부에 삽입홀(410)을 갖는 패킹(400)이 구비되어 유체의 누출을 방지하게 된다.Here, the packing 400 having an insertion hole 410 is provided inside the coupling groove 320 of the spindle 300 so as to be coupled to prevent the leakage of the fluid.

한편, 상기 스핀들(300)에 끼워져 상기 보스부(200)의 나사부(240)와 체결되는 밀봉너트(500)가 구비되되, 상기 밀봉너트(500)는 상기 스핀들(300)에 끼워지도록 내부에 삽입홀(510)이 형성되며, 외주연에는 유체의 누출을 방지하는 밀봉너트오링(510a)이 결합되도록 결합홈(520)이 형성되어 이루어진다.Meanwhile, a sealing nut 500 is inserted into the spindle 300 and fastened to the threaded portion 240 of the boss part 200, and the sealing nut 500 is inserted therein so as to be fitted to the spindle 300. A hole 510 is formed, and a coupling groove 520 is formed at an outer circumference thereof so that the sealing nut O-ring 510a for preventing leakage of the fluid is coupled thereto.

여기서, 상기 보스부(200)와 유체이송파이프연결부(120) 사이의 밸브본체(100) 외주연에는 고온의 열을 방열할 수 있도록 공기와의 접촉면적을 크게 갖는 다수의 방열판(220)이 일체로 형성된다.Here, the outer periphery of the valve body 100 between the boss portion 200 and the fluid transfer pipe connecting portion 120 is integrated with a plurality of heat sinks 220 having a large contact area with air to dissipate high temperature heat. Is formed.

또한, 상기 방열판(220)으로 인해 시각적으로 밸브본체(100)가 고온인 것을 사용자가 인지할 수 있어 안전 사고를 예방할 수 있게 된다.In addition, the user can recognize that the valve body 100 is a high temperature due to the heat dissipation plate 220 can prevent a safety accident.

또한, 상기 스핀들(300)의 결합홈(320)에 결합되는 스핀들오링(320a)과, 상기 스핀들(300)에 끼워져 결합되는 패킹(400) 및, 상기 밀봉너트(500)의 결합홈(520)에 결합되는 밀봉너트오링(510a)을 구비함으로써, 상기 보스부(200)와 스핀들(300)의 사이로 유체가 누출되는 것을 최대한 방지할 수 있게 된다.In addition, the spindle O-ring 320a coupled to the coupling groove 320 of the spindle 300, the packing 400 fitted to the spindle 300, and the coupling groove 520 of the sealing nut 500. By providing a sealing nut O-ring 510a coupled to the, it is possible to prevent the fluid from leaking between the boss portion 200 and the spindle 300 as much as possible.

상기와 같이 구성된 개폐밸브의 작동 상태를 설명하면, 스핀들(300)의 체결부(310)에 체결된 핸들(700)을 90도 회전시키게 되면, 상기 스핀들(300)의 수나사부(330)와 상호 연동되게 결합되는 암나사부(230)에 의해 스핀들(300)이 위로 수직이동하게 되면서 유체통로홀(140)을 막고 있던 개폐부(340)가 개방되어 유체가 이송 가능하게 된다.Referring to the operating state of the on-off valve configured as described above, if the handle 700 is fastened to the fastening portion 310 of the spindle 300 by 90 degrees, mutually with the male screw portion 330 of the spindle 300 The spindle 300 is vertically moved upward by the female screw unit 230 coupled to be interlocked to open and close the opening and closing unit 340 which is blocking the fluid passage hole 140 to transfer the fluid.

따라서, 상기 핸들(700)을 다시 반대로 90도 회전시켜 상기 스핀들(300)의 개폐부(340)가 유체통로홀(140)을 막아 유체의 이송을 차단함으로써, 압력게이지(미도시)를 보수, 점검 및 수리하게 된다.Accordingly, by rotating the handle 700 again 90 degrees, the opening and closing portion 340 of the spindle 300 blocks the fluid passage hole 140 to block the transfer of fluid, thereby repairing and inspecting a pressure gauge (not shown). And repair.

이상에서 상술한 본 고안에 따르면, 밸브본체 내부에서 이송되는 유체의 누출을 최대한 방지할 수 있으며, 이송되는 유체에서 발생되는 고온의 열을 방열할 수 있는 방열판을 구비함과 동시에, 상기 방열판으로 인해 시각적으로 개폐밸브가 고온인 것을 사용자로 하여금 인지시킴으로써 안전한 작업환경을 제공할 수 있는 효과가 있다.According to the present invention described above, it is possible to prevent the leakage of the fluid transported inside the valve body as much as possible, and at the same time having a heat sink that can dissipate the heat of the high temperature generated in the transported fluid, due to the heat sink By visually recognizing that the on-off valve is high temperature, there is an effect that can provide a safe working environment.

Claims (2)

양측에는 압력게이지와 유체이송파이프가 연결되는 압력게이지연결부와 유체이송파이프연결부가 각각 형성되며 그 내부의 감압부 외측에는 보스부가 형성되는 밸브본체와, 상기 밸브본체의 보스부에 장착되어 감압부의 유체통로홀을 제어하는 스핀들과, 상기 스핀들의 상단부에 결합되어 이의 회전을 용이하게 하는 핸들로 구성된 압력게이지 보수점검용 개폐밸브에 있어서,A pressure gauge connection part and a fluid transfer pipe connection part which are connected to the pressure gauge and the fluid transfer pipe are formed at both sides, respectively, and a valve body having a boss part formed at an outer side of the pressure reducing part, and mounted on a boss part of the valve body, In the pressure gauge maintenance check valve consisting of a spindle for controlling the passage hole and a handle coupled to the upper end of the spindle to facilitate its rotation, 상기 보스부와 유체이송파이프연결부 사이의 밸브본체 외주연에는 고온의 열을 방열하도록 적어도 하나 이상의 방열판이 구비되는 것을 특징으로 하는 방열판이 구비된 압력게이지 보수점검용 개폐밸브.At least one heat sink is provided on the outer periphery of the valve body between the boss portion and the fluid transfer pipe connecting portion to dissipate high temperature heat. 제 1항에 있어서,The method of claim 1, 상기 스핀들의 중단부에는 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 스핀들오링이 결합되도록 결합홈이 형성되며, 상기 스핀들에 끼워져 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 패킹이 구비되고, 상기 스핀들에 끼워져 상기 보스부의 상단에 결합 고정되며 그 외주연에는 상기 보스부의 내주연에 긴밀하게 밀착되어 유체의 누출을 방지하는 밀봉너트오링이 결합되도록 결합홈이 형성된 밀봉너트가 구비되는 것을 특징으로 하는 방열판이 구비된 압력게이지 보수점검용 개폐밸브.The stop portion of the spindle is in close contact with the inner circumference of the boss portion is formed with a coupling groove so that the spindle O-ring is coupled to prevent the leakage of fluid, is fitted to the spindle is in close contact with the inner circumference of the boss portion is leaking fluid Is provided with a packing for preventing, the coupling groove is formed to be coupled to the spindle is coupled to the upper end of the boss portion and the outer periphery is in close contact with the inner circumference of the boss portion is coupled to the sealing nut O-ring to prevent the leakage of fluid Pressure gauge maintenance check valve with a heat sink characterized in that the sealing nut is provided.
KR2020050031801U 2005-11-09 2005-11-09 The opening and closing valve for the pressure gauge maintenance and administration with heat plate KR200407193Y1 (en)

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