JPH02143571U - - Google Patents
Info
- Publication number
- JPH02143571U JPH02143571U JP5430389U JP5430389U JPH02143571U JP H02143571 U JPH02143571 U JP H02143571U JP 5430389 U JP5430389 U JP 5430389U JP 5430389 U JP5430389 U JP 5430389U JP H02143571 U JPH02143571 U JP H02143571U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- diameter surface
- opening
- ball valve
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims 2
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は実施例の縦断正面図、第２図は同上の
縦断側面図、第３図は同上の一部拡大断面図、第
４図は他の実施例の一部拡大断面図、第５図は従
来例の縦断正面図である。
１……弁本体、２……弁室、３……弁体、４…
…溝、５……弁棒、６……パツキン押さえ輪、７
……パツキン、８……開口部、９……シートリン
グ、１０……通路、１１……弁孔、１２……つば
、１３……段部、１４……大径部、１５……小径
部、１６……大径部、１７……段部、１８……小
径部、１９……外端面、２０……段部、２１……
皿ばね、２２……グランドパツキン、２３……ば
ね押さえ、２４……皿ばね。
FIG. 1 is a longitudinal sectional front view of the embodiment, FIG. 2 is a longitudinal sectional side view of the same, FIG. 3 is a partially enlarged sectional view of the same, FIG. 4 is a partially enlarged sectional view of another embodiment, and FIG. The figure is a longitudinal sectional front view of a conventional example. 1... Valve body, 2... Valve chamber, 3... Valve body, 4...
... Groove, 5 ... Valve stem, 6 ... Packing ring, 7
...Packing, 8...Opening, 9...Seat ring, 10...Passage, 11...Valve hole, 12...Brim, 13...Step, 14...Large diameter part, 15...Small diameter part , 16... Large diameter part, 17... Step part, 18... Small diameter part, 19... Outer end surface, 20... Step part, 21...
Disc spring, 22... Grand packing, 23... Spring holder, 24... Disc spring.
Claims (1)
開口部とを設け、上設弁室にボール弁体を挿入す
ると共に、上記開口部にシートリングを挿入し、
シートリングの内端をボール弁体の弁孔のまわり
に接触させ、上記のシートリングをボール弁体に
押圧する付勢手段を設け、かつシートリング外径
面と開口部内径面との間にグランドパツキンを介
してなるボールバルブにおいて、上記シートリン
グの外径面にその内端側が相対的に大径、外端側
が相対的に小径になる段部を設け、開口部内径面
に上記の段部と対向した段部を設け、これらの各
段部とシートリング外径面及び開口部内径面によ
つて形成される間隙に前記のグランドパツキンを
介在したことを特徴とするボールバルブ。 A valve chamber and an opening for a passage communicating with the valve chamber are provided in the valve body, a ball valve body is inserted into the upper valve chamber, and a seat ring is inserted into the opening,
The inner end of the seat ring is brought into contact around the valve hole of the ball valve body, and a biasing means for pressing the seat ring against the ball valve body is provided, and between the outer diameter surface of the seat ring and the inner diameter surface of the opening. In a ball valve formed through a gland packing, a stepped portion is provided on the outer diameter surface of the seat ring, the inner end side of which has a relatively large diameter, and the outer end side thereof with a relatively small diameter, and the above stepped portion is provided on the inner diameter surface of the opening. 1. A ball valve characterized in that a step portion is provided opposite the step portion, and the gland packing is interposed in a gap formed by each step portion, the outer diameter surface of the seat ring, and the inner diameter surface of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5430389U JPH02143571U (en) | 1989-05-10 | 1989-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5430389U JPH02143571U (en) | 1989-05-10 | 1989-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143571U true JPH02143571U (en) | 1990-12-05 |
Family
ID=31576246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5430389U Pending JPH02143571U (en) | 1989-05-10 | 1989-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143571U (en) |
-
1989
- 1989-05-10 JP JP5430389U patent/JPH02143571U/ja active Pending