KR200170852Y1 - A Ball Valve for High Temperature & High Pressure - Google Patents
A Ball Valve for High Temperature & High Pressure Download PDFInfo
- Publication number
- KR200170852Y1 KR200170852Y1 KR2019990019848U KR19990019848U KR200170852Y1 KR 200170852 Y1 KR200170852 Y1 KR 200170852Y1 KR 2019990019848 U KR2019990019848 U KR 2019990019848U KR 19990019848 U KR19990019848 U KR 19990019848U KR 200170852 Y1 KR200170852 Y1 KR 200170852Y1
- Authority
- KR
- South Korea
- Prior art keywords
- seat
- ball valve
- valve
- ball
- seat ring
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910001347 Stellite Inorganic materials 0.000 claims abstract description 5
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 15
- 239000000843 powder Substances 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
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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
- F16K5/00—Plug 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
- F16K5/06—Plug 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
- F16K5/0663—Packings
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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
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- F16K5/00—Plug 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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
본 고안은 고온 고압용 금속 시트 볼 밸브에 관한 것으로, 비교적 고온 고압의 유체 또는 분체의 이송에 사용하는 배관에 설치되는 볼 밸브(Ball Valve)의 시트 링(Seat Ring)을 금속재로 구성하되 밸브 볼(13)과 접촉하는 시트면(15a,16a)부위는 스텔라이트(Stellite)재질로 육성하여 경도를 향상시키고, 이 시트면 (15a,16a)부위를 밸브 볼(13)외면에 일치되게 가공연마하고, 출구측 시트 링(15)의 배면에는 흑연계의 백 시트(24)를 설치하여 시트 링(15)과 밸브 몸체(11)와의 기밀을 유지할 수 있도록 하며, 입구측 시트 링(16)의 외면에는 내열성의 흑연계 또는 카본 슬리브(25)를 끼우고 볼 밸브의 패킹(20)과 가스켓(21)을 흑연계로 제작한 것이다.The present invention relates to a metal seat ball valve for high temperature and high pressure, the seat ring of the ball valve (Ball Valve) is installed in the pipe used for the transfer of fluid or powder of relatively high temperature and high pressure, the metal ball valve valve The seat surfaces 15a and 16a in contact with (13) are grown in a Stellite material to improve hardness, and the seat surfaces 15a and 16a are processed and polished to match the outer surface of the valve ball 13. The back seat 24 of the outlet side seat ring 15 is provided with a graphite-based back seat 24 to maintain the airtightness between the seat ring 15 and the valve body 11, and the inlet seat ring 16 The outer surface is fitted with a heat-resistant graphite or carbon sleeve 25 and the packing 20 and the gasket 21 of the ball valve is made of graphite.
Description
본 고안은 비교적 고온 고압의 유체 또는 분체의 이송을 위해 사용되는 배관에 설치되는 볼 밸브(Ball Valve)에 관한 것으로, 특히 밸브 볼과 시트 링의 밀착상태를 개선하여 고온 고압하에서도 수밀유지와 아울러 핸들조작이 용이하도록 한 볼 밸브에 관한 것이다.The present invention relates to a ball valve installed in a pipe used for the transport of fluid or powder at a relatively high temperature and high pressure, and in particular, to improve the adhesion between the valve ball and the seat ring, and to maintain watertightness even under high temperature and high pressure. The present invention relates to a ball valve that facilitates handle operation.
종래의 볼 밸브는 시트 링을 내열성이 약한 것이 단점인 불소수지계의 테프론 재질을 사용하고 있어 강한 유체압을 받으면 찌그러짐 등으로 인한 틈이 발생하여 누압이 되는 폐단이 있고, 또한 유체속의 이물질 등으로 인한 테프론 시트 링의 시트면이 손상되어 완벽한 기밀상태를 유지시킬 수 없어 장기간 사용하는데 문제점이 있을 뿐만 아니라, 200℃이상의 고온의 유체에는 전혀 사용하지 못하는 폐단이 있었다.Conventional ball valve uses Teflon material of fluorine resin, which has a disadvantage of weak heat resistance of seat ring.Therefore, there is a closed end that causes pressure leakage due to crushing when strong fluid pressure is received, and also due to foreign matter in fluid. The sheet surface of the Teflon seat ring is damaged and cannot maintain perfect airtightness, so there is a problem in using it for a long time, and there is a closed end that cannot be used at all in a high temperature fluid of 200 ° C or more.
한편, 실용신안공고 제96-3359호에는 강한 유체압을 받을 경우 시트 링의 몸체(1)가 외측으로 벌어지면서 볼 형상으로 된 변체 즉, 밸브 볼(5)에 밀착되어 수밀상태를 유지할 수 있도록 한 볼 밸브용 시트 링이 개시되어 있는데, 이와 같은 금속재 시트 링은 강한 유체압력을 받게 될 경우 수밀은 유지될 수 있을지언정 밸브 볼과 시트 링이 견고하게 밀착되어 핸들조작이 뻑뻑하게 되는 문제점이 발생했었다.On the other hand, Utility Model Publication No. 96-3359, when a strong fluid pressure is applied to the body (1) of the seat ring to the outside to form a ball-shaped body, that is close to the valve ball (5) to maintain the watertight state A seat ring for a ball valve is disclosed. The metal seat ring can be kept tightly in contact with a strong fluid pressure, but the valve ball and the seat ring are firmly adhered to each other, resulting in a stiff handle operation. did.
본 고안은 상기한 종래의 제반 문제점을 감안하여 안출된 것으로, 본 고안의 목적은 고온 고압의 유체 또는 분체 이송용 배관에 적합한 볼 밸브를 제공하는데 있다.The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a ball valve suitable for a high temperature or high pressure fluid or powder conveying pipe.
이와 같은 목적을 달성하기 위하여 본 고안은 금속재로 볼 밸브용 시트 링을 구성하되 밸브 볼과 접촉하는 시트면 부위는 스텔라이트(Stellite)재질로 육성하여 경도를 향상시키고, 이 시트면 부위를 밸브 볼 외면에 일치되게 가공연마한 볼 밸브용 시트 링을 제공한다.In order to achieve the above object, the present invention constitutes the seat ring for the ball valve made of metal, but the seat surface area in contact with the valve ball is made of Stellite material to improve the hardness, and the seat surface area is the valve ball. A seat ring for a ball valve machined and polished to match the outer surface is provided.
본 고안은 또 상기 볼 밸브의 출구측 시트 링의 배면에는 흑연계의 백 시트 (back seat)를 설치하여 시트 링과 밸브 몸체와의 기밀을 유지할 수 있도록 하고, 입구측 시트 링의 외면에는 내열성의 흑연계 또는 카본 슬리브를 끼우고 볼 밸브의 패킹 및 가스켓의 재질도 흑연계의 것을 사용하여 600℃이하의 고온 유체에도 사용할 수 있도록 한 볼 밸브를 제공한다.The present invention also provides a graphite back seat on the back of the outlet seat ring of the ball valve to maintain airtightness between the seat ring and the valve body, and on the outer surface of the inlet seat ring, Ball valve packing and gasket materials are fitted with graphite or carbon sleeves, and the ball valve is provided so that it can be used for high temperature fluids of 600 ° C or less using graphite.
또한, 본 고안은 상기 입구측 시트 링의 뒷면에는 판 또는 코일 스프링을 끼워 스프링의 힘에 의한 시트 링의 시트면이 밸브 볼 외면과 항시 밀착되어 기밀을 유지할 수 있도록 함과 아울러, 스프링의 쿠션역할로 고압의 유체흐름에도 밸브개폐를 위한 핸들조작이 원활히 이루어질 수 있도록 한 볼 밸브를 제공한다.In addition, the present invention by inserting a plate or coil spring on the back of the inlet seat ring to ensure that the seat surface of the seat ring by the force of the spring is always in close contact with the valve ball outer surface to maintain airtightness, and also serves as a cushion of the spring It provides a ball valve that enables the handle operation to open and close the valve smoothly even under high pressure fluid flow.
도 1은 종래 볼 밸브를 도시한 반단면도Figure 1 is a half cross-sectional view showing a conventional ball valve
도 2는 본 고안에 의한 볼 밸브의 단면도,2 is a cross-sectional view of the ball valve according to the present invention,
도 3은 도 2의 A부 확대단면도,3 is an enlarged cross-sectional view of portion A of FIG.
도 4는 도 2의 B부 확대단면도,4 is an enlarged cross-sectional view of portion B of FIG.
도 5는 도 4에 대응되는 본 고안의 다른 실시예를 도시한 단면도이다.5 is a cross-sectional view showing another embodiment of the present invention corresponding to FIG. 4.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
11 : 밸브 몸체 12 : 덮개11 valve body 12 cover
13 : 밸브 볼 14 : 밸브대13: valve ball 14: valve stem
15,16: 시트 링 15a,16a: 시트면15, 16: seat ring 15a, 16a: seat surface
17 : 패킹 누르개 18 : 개폐지시판17: packing press 18: opening and closing indication board
19 : 핸들 20 : 패킹19: handle 20: packing
21 : 가스켓 22 : 너트21: gasket 22: nut
23 : 볼트 24 : 백 시트23: bolt 24: back sheet
25 : 슬리브 26a : 판 스프링25: sleeve 26a: leaf spring
26b: 코일 스프링26b: coil spring
이하, 본 고안을 첨부된 실시예의 도면에 의하여 상세히 설명하기로 한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 고안의 일 실시예에 의한 볼 밸브의 단면도이고, 도 3 및 도 4은 각각 도 2의 A부 및 B부의 확대단면도이다.2 is a cross-sectional view of a ball valve according to an embodiment of the present invention, Figure 3 and Figure 4 is an enlarged cross-sectional view of the portion A and B of Figure 2, respectively.
도시된 바와 같이 본 고안은 금속재로 볼 밸브용 시트 링(15,16)을 구성하되 밸브 볼(13)과 접촉하는 시트면(15a,16a)부위는 스텔라이트 재질로 육성하여 경도를 향상시키고, 이 시트면(15a,16a)부위를 밸브 볼(13)외면에 일치되게 가공연마한 특징을 갖는다.As shown in the present invention, the seat rings 15 and 16 for the ball valve are made of metal, but the seat surfaces 15a and 16a in contact with the valve ball 13 are made of stellite to improve hardness, The seat surfaces 15a and 16a are processed and polished to match the valve ball 13 outer surface.
도면중 부호 11은 밸브 몸체, 12는 덮개, 14는 밸브대, 17은 패킹 누르개, 18은 개폐지시판, 19는 핸들, 20은 패킹, 21은 가스켓이다.In the drawing, reference numeral 11 is a valve body, 12 is a cover, 14 is a valve seat, 17 is a packing stopper, 18 is an opening and closing indication board, 19 is a handle, 20 is a packing, 21 is a gasket.
본 고안은 도 3에 확대도시한 바와 같이, 볼 밸브의 출구측 시트 링(15)의 배면에는 흑연계의 백 시트(back seat; 24)를 설치하여 시트 링(15)과 밸브 몸체 (11)와의 기밀을 유지할 수 있도록 하고, 입구측 시트 링(16)의 외면에는 흑연계 또는 카본 슬리브(25)를 끼우고 볼 밸브의 패킹(20)및 가스켓(21)의 재질도 내열성을 갖는 흑연계의 것을 사용하여 600℃이하의 고온 유체에도 사용할 수 있도록 한다.As the present invention is enlarged in FIG. 3, the seat ring 15 and the valve body 11 are provided by installing a graphite back seat 24 on the rear surface of the outlet seat ring 15 of the ball valve. And the graphite or carbon sleeve 25 is fitted to the outer surface of the inlet seat ring 16, and the material of the packing 20 and the gasket 21 of the ball valve is heat resistant. It can be used for high temperature fluid below 600 ℃.
또한, 본 고안은 도 4에 도시한 바와 같이 입구측 시트 링(16)의 배면에는 판 스프링(26a)을 끼워 이 판 스프링(26a)의 힘에 의한 시트 링(16)의 시트면(16a)이 밸브 볼(13)외면과 항시 밀착되어 기밀을 유지할 수 있도록 함과 아울러, 판 스프링(26a)의 쿠션역할로 고압의 유체흐름에도 밸브개폐를 위한 핸들(19)조작이 원활히 이루어질 수 있도록 한 것이다.In addition, the present invention, as shown in Fig. 4, the leaf spring (26a) is fitted to the rear surface of the inlet seat ring 16, the seat surface (16a) of the seat ring 16 by the force of the leaf spring (26a) The valve ball 13 is always in close contact with the outer surface to maintain airtightness, and the handle of the valve 19 for smoothly opening and closing the valve even under high pressure fluid flow due to the cushioning of the leaf spring 26a. .
도 5는 본 고안의 다른 실시예를 도시한 도 4에 대응되는 단면도로서, 본 실시예에서는 상기 실시예에서 판스프링 대신 압축 코일 스프링(26b)을 시트 링(16)의 배면에 설치하여 사용하여 시트 링(16)의 시트면(16a)이 밸브 볼(13)외면에 밀착되도록 함과 아울러 쿠션작용을 갖도록 한 것이다.FIG. 5 is a cross-sectional view corresponding to FIG. 4 showing another embodiment of the present invention. In this embodiment, the compression coil spring 26b is installed on the rear surface of the seat ring 16 instead of the leaf spring. The seat surface 16a of the seat ring 16 is to be in close contact with the outer surface of the valve ball 13 and to have a cushioning action.
이상 설명한 바와 같이 본 고안은 시트 링을 비롯하여 패킹 및 가스켓 등의 소재를 내열성이 높은 것으로 사용하므로써 비교적 고온 고압의 유체 또는 분체의 이송을 위한 배관사이에 설치되어 유체 또는 분체의 흐름을 제어하게 되는 것이며, 시트 링 자체가 금속재로 이루어져 있고, 밸브 볼과 밀착되는 부위가 스텔라이트 재질로 육성 강화되어 있어 내마모성을 가짐과 아울러 입구측 시트 링의 배면에 설치된 스프링에 의해 밸브 볼과의 밀착성이 향상되어 수및 또는 유밀을 유지할 수 있게 되는 것이며, 고압의 유체압을 받게 되더라도 스프링의 쿠션작용에 의해 핸들조작이 원활하게 이루어지는 등의 유용한 효과를 갖는다.As described above, the present invention uses seating, packing and gaskets as materials having high heat resistance, and is installed between pipes for transporting fluid or powder at a relatively high temperature and high pressure to control the flow of the fluid or powder. The seat ring itself is made of metal, and the part in close contact with the valve ball is reinforced with a stellite material, which has abrasion resistance and can be improved by the spring installed on the back of the inlet seat ring. And or it is to be able to maintain the oil, and even when subjected to a high-pressure fluid pressure has a useful effect, such as smooth handle operation by the cushion action of the spring.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019990019848U KR200170852Y1 (en) | 1999-09-15 | 1999-09-15 | A Ball Valve for High Temperature & High Pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019990019848U KR200170852Y1 (en) | 1999-09-15 | 1999-09-15 | A Ball Valve for High Temperature & High Pressure |
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| Publication Number | Publication Date |
|---|---|
| KR200170852Y1 true KR200170852Y1 (en) | 2000-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019990019848U KR200170852Y1 (en) | 1999-09-15 | 1999-09-15 | A Ball Valve for High Temperature & High Pressure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040019137A (en) * | 2002-08-21 | 2004-03-05 | 정대우 | Ball valve |
| KR100454723B1 (en) * | 2002-07-26 | 2004-11-06 | 주식회사서흥금속 | Cryogenic valve |
| KR100570426B1 (en) | 2004-09-30 | 2006-04-11 | 이종실 | Ball Valves for Controlling Hot Iron Flow Rate |
| KR100914330B1 (en) | 2009-02-19 | 2009-08-28 | 주식회사 쓰리젯 | Hardfacing welded valve and the method of same |
| CN112096900A (en) * | 2020-07-27 | 2020-12-18 | 中国石化销售股份有限公司华南分公司 | Telescopic frictionless ball valve driven by cooperation of linear motor and swing oil cylinder |
| KR102387050B1 (en) * | 2020-11-04 | 2022-04-15 | 주식회사 비엠티 | Seals for ultra-low temperature and high pressure |
-
1999
- 1999-09-15 KR KR2019990019848U patent/KR200170852Y1/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100454723B1 (en) * | 2002-07-26 | 2004-11-06 | 주식회사서흥금속 | Cryogenic valve |
| KR20040019137A (en) * | 2002-08-21 | 2004-03-05 | 정대우 | Ball valve |
| KR100570426B1 (en) | 2004-09-30 | 2006-04-11 | 이종실 | Ball Valves for Controlling Hot Iron Flow Rate |
| KR100914330B1 (en) | 2009-02-19 | 2009-08-28 | 주식회사 쓰리젯 | Hardfacing welded valve and the method of same |
| CN112096900A (en) * | 2020-07-27 | 2020-12-18 | 中国石化销售股份有限公司华南分公司 | Telescopic frictionless ball valve driven by cooperation of linear motor and swing oil cylinder |
| KR102387050B1 (en) * | 2020-11-04 | 2022-04-15 | 주식회사 비엠티 | Seals for ultra-low temperature and high pressure |
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