CN205937874U - High performance butterfly valve fire resistive construction - Google Patents
High performance butterfly valve fire resistive construction Download PDFInfo
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- CN205937874U CN205937874U CN201620520728.1U CN201620520728U CN205937874U CN 205937874 U CN205937874 U CN 205937874U CN 201620520728 U CN201620520728 U CN 201620520728U CN 205937874 U CN205937874 U CN 205937874U
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- sealing
- valve body
- seat insert
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Abstract
The utility model relates to a high performance butterfly valve fire resistive construction, including valve body, valve rod, valve block, the valve rod be located the valve body, be equipped with the sealing washer device between this valve body and valve rod, the upper and lower both ends of this sealing washer device are installed respectively and are pressed the cover, the sealing washer device by the second sealing washer that adopts graphite and carbon fiber to make, adopt the stainless steel to constitute with the sectional third sealing washer of graphite, valve block and valve body, interior clamp plate, outer ledge between adopt stainless steel fire prevention valve seat insert device, the beneficial effects of the utility model are that: fire prevention product sealing parts all changes graphite and carbon fiber into by original PTFE, and this kind of material still has fine sealing performance under the condition of high temperature, and redesign has also been carried out to the structure of structure and the disk seat of clamp plate simultaneously, guarantees the sealed effect of product through soft disk seat and the double sealing of disk seat of managing to do sth. With difficulty, make high performance fire prevention butterfly valve still have fine sealing performance under high temperature and high pressure environment.
Description
Technical field
This utility model belongs to butterfly valve technical field, more particularly, to a kind of high-performance butterfly valve fire proof construction.
Background technology
High-performance butterfly valve can realize the switch of valve using the control mode such as handle, decelerator, air impeller.Logical
Cross rotation valve rod to complete keying effect, form the sealing relationship of medium simultaneously between the sealing surface of valve block and valve seat, to ensure
The sealing property of valve.When valve block opening angle is 20 °～75 °, flow is linear with opening angle, has the spy of throttling
Property.In short, high-performance butterfly valve is to control 0～90 ° of valve block reciprocating rotating to open, to cut out or to adjust a kind of valve of rate-of flow
Door.And high-performance butterfly valve is using double eccentric structures, it is effectively reduced valve block contact and abrasion, moment of torsion is low, service life is longer,
In the environment of being applied to high pressure (as shown in Figure 1).
Conventional high-performance butterfly valve seal is mainly contacted with the sealing surface of valve block 3 by the valve seat insert 12 that material is PTFE
Realize sealing (as shown in Figure 2), the first sealing ring 13 material at valve rod 2 is also PTFE (as shown in Figure 3), this sealing
Mode can have good sealing effectiveness in the environment of high pressure, but effect is undesirable in an environment of high temperature, no fire-proof function.
Content of the invention
The purpose of this utility model is to overcome the shortcomings of that prior art exists, and provides one kind under high temperature and high pressure environment
Still there is the high-performance butterfly valve fire proof construction of good sealing property.
The purpose of this utility model to complete by following technical solution, including valve body, valve rod, valve block, described
Valve rod is located in valve body, is provided with gasket set, the upper and lower ends of this gasket set are respectively mounted between this valve body and valve rod
There is gland；Described gasket set adds stone by the second sealing ring made using graphite and carbon fibre materials, using rustless steel
3rd sealing ring composition of black section；Rustless steel fire prevention valve base sealing is adopted between described valve block and valve body, clip plate, outer plate
Coil apparatus.
Preferably, described rustless steel fire prevention valve seat gasket set is by soft valve seat insert, hard valve seat insert structure
Become, described soft valve seat insert is located between valve body and clip plate, described hard valve seat insert is located at clip plate and external pressure
Between plate, the sealing surface of wherein soft valve seat insert, the inner side edge of hard valve seat insert and valve block is in close contact；Described soft valve
It is placed with O-ring between seat sealing ring and clip plate.
Preferably, described soft valve seat insert and O-ring are made using graphite and carbon fibre materials.
The beneficial effects of the utility model are：Fire-proof product obturator all changes graphite into by original PTFE and carbon is fine
Dimension material, this kind of material still has good sealing property in the event of high temperatures, the structure of the structure of pressing plate and valve seat simultaneously
Redesigned, ensured the sealing effectiveness of product by the dual-seal of soft valve seat and hard valve seat；Make high-performance fire-resistant
Butterfly valve still has good sealing property under high temperature and high pressure environment.
Brief description
Fig. 1 is high-performance butterfly valve perspective view.
Fig. 2 is existing high-performance butterfly valve seal structural representation one.
Fig. 3 is existing high-performance butterfly valve seal structural representation two.
Fig. 4 is high-performance butterfly valve seal structural representation one of the present utility model.
Fig. 5 is high-performance butterfly valve seal structural representation two of the present utility model.
Label in accompanying drawing is respectively：1st, valve body；2nd, valve rod；3rd, valve block；4th, gland；5th, the second sealing ring；6th, the 3rd is close
Seal；7th, clip plate；8th, outer plate；9th, soft valve seat insert；10th, hard valve seat insert；11st, O-ring；12nd, valve seat insert；
13rd, the first sealing ring.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is done with detailed introduction：As shown in accompanying drawing 4,5, this utility model includes valve
Body 1, valve rod 2, valve block 3, described valve rod 2 is located in valve body 1, is provided with gasket set, this is close between this valve body 1 and valve rod 2
The upper and lower ends of seal device are separately installed with gland 4；Described gasket set is made by using graphite and carbon fibre materials
The second sealing ring 5, the 3rd sealing ring 6 being added graphite section using rustless steel formed；Described valve block 3 and valve body 1, clip plate
7th, adopt rustless steel fire prevention valve seat gasket set between outer plate 8.
Described rustless steel fire prevention valve seat gasket set is made up of soft valve seat insert 9, hard valve seat insert 10, described
Soft valve seat insert 9 be located between valve body 1 and clip plate 7, described hard valve seat insert 10 is located at clip plate 7 and outer plate
Between 8, the sealing surface of wherein soft valve seat insert 9, the inner side edge of hard valve seat insert 10 and valve block 3 is in close contact；Described
It is placed with O-ring 11 between soft valve seat insert 9 and clip plate 7.
Described soft valve seat insert 9 and O-ring 11 are made using graphite and carbon fibre materials.
This utility model is not limited to above-mentioned embodiment, no matter making any change on its shape or material are constituted, all
It is using structure design provided by the utility model, be all a kind of deformation of the present utility model, be all considered as new in this practicality
Within type protection domain.
Claims (3)
1. a kind of high-performance butterfly valve fire proof construction, including valve body (1), valve rod (2), valve block (3) it is characterised in that：Described valve
Bar (2) is located in valve body (1), is provided with gasket set between this valve body (1) and valve rod (2), and up and down the two of this gasket set
End is separately installed with gland (4)；Described gasket set is by the second sealing ring made using graphite and carbon fibre materials
(5) the 3rd sealing ring (6) composition of graphite section, is added using rustless steel；Described valve block (3) and valve body (1), clip plate (7),
Rustless steel fire prevention valve seat gasket set is adopted between outer plate (8).
2. high-performance butterfly valve fire proof construction according to claim 1 it is characterised in that：Described rustless steel fire prevention valve seat is close
Seal device is made up of soft valve seat insert (9), hard valve seat insert (10), and described soft valve seat insert (9) is located at valve body
(1) and clip plate (7) between, described hard valve seat insert (10) is located between clip plate (7) and outer plate (8), wherein soft
The sealing surface of valve seat insert (9), the inner side edge of hard valve seat insert (10) and valve block (3) is in close contact；Described soft valve seat
It is placed with O-ring (11) between sealing ring (9) and clip plate (7).
3. high-performance butterfly valve fire proof construction according to claim 1 it is characterised in that：Described rustless steel fire prevention valve seat is close
The soft valve seat insert (9) that seal device is provided with and O-ring (11) are made using graphite and carbon fibre materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520728.1U CN205937874U (en) | 2016-05-31 | 2016-05-31 | High performance butterfly valve fire resistive construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520728.1U CN205937874U (en) | 2016-05-31 | 2016-05-31 | High performance butterfly valve fire resistive construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937874U true CN205937874U (en) | 2017-02-08 |
Family
ID=57932547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520728.1U Active CN205937874U (en) | 2016-05-31 | 2016-05-31 | High performance butterfly valve fire resistive construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081930A (en) * | 2020-09-21 | 2020-12-15 | 耐益阀门制造有限公司 | Industrial butterfly valve with accurate opening and closing function |
-
2016
- 2016-05-31 CN CN201620520728.1U patent/CN205937874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081930A (en) * | 2020-09-21 | 2020-12-15 | 耐益阀门制造有限公司 | Industrial butterfly valve with accurate opening and closing function |
| CN112081930B (en) * | 2020-09-21 | 2022-05-20 | 耐益阀门制造有限公司 | Industrial butterfly valve with accurate opening and closing function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |