CN202580042U - Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve - Google Patents
Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve Download PDFInfo
- Publication number
- CN202580042U CN202580042U CN 201220169622 CN201220169622U CN202580042U CN 202580042 U CN202580042 U CN 202580042U CN 201220169622 CN201220169622 CN 201220169622 CN 201220169622 U CN201220169622 U CN 201220169622U CN 202580042 U CN202580042 U CN 202580042U
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- valve
- fluoroplastic
- valve body
- flap
- stop valve
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Abstract
The utility model discloses an anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve, relating to a valve, in particular to an anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve applied to the chemical industry. The anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve comprises a valve body, a valve clack, a valve cover, a valve rod and a hand wheel, wherein the inlet and outlet of the valve body are provided with a flange edge respectively; an anti-corrosion layer is arranged on the surfaces of the inner surface of the valve body, the outer surface of the valve clack, the valve cover, the valve rod and the outer surfaces of the flange edges of the inlet and outlet of the valve body in contact with media respectively; a sealing surface with a built-in stop opening is arranged on the periphery of the lower end of the valve clack; and a sealing pair matched with the sealing surface on the periphery of the lower end surface of the valve clack is arranged on the valve body. Through the utility model, the sealing performance and the corrosion resistance of the anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve are improved, and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of valve, is specially a kind of non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption that is used for chemical industry.
Background technique
At present, known common valve is made up of critical pieces such as valve body, valve gap, flap, valve rod, nuts, and each component materials is generally not corrosion-resistant.This type of common valve, in case when being used to carry severe corrosive, poisonous medium such as chlor-alkali, leak with the as easy as rolling off a log corrosion in medium contact position, thus harm life safety and surrounding enviroment safety.
The model utility content
The purpose of the utility model provides a kind of good seal performance, and is corrosion-resistant, safe and reliable, non-maintaining fluoroplastic all-liner stop valve.
The technological scheme that realizes above-mentioned purpose is: the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption; Comprise valve body, flap, valve gap, valve rod and handwheel; The import and export of said valve body are respectively equipped with flange edge; The surface that the outer surface of the flange edge of importing and exporting at outer surface, valve gap, valve rod and the valve body of the internal surface of valve body, flap contacts with medium is respectively equipped with anticorrosive coat; It is characterized in that: said flap lower end periphery is provided with the sealing surface with built-in seam, on said valve body, is provided with the sealing pair that matches with the sealing surface of said flap lower end surface periphery.
The surface that contacts with medium at valve body, flap, valve gap, valve rod and with the outer surface of the flange edge of valve body import and export heat respectively is covered with the materials of being able to bear strong corrosion such as perfluoroethylene-propylene, teflon, polypropylene; Simultaneously be processed with built-in seam in both sides, flap lower end surface; Improve the sealability and the decay resistance of the utility model, prolonged working life.
The upper-end surface periphery of above-mentioned flap is respectively equipped with high and low spherical boss, reliably guarantees the last sealability of valve, last sealing configuration maintenance-free.
Be provided with V-type teflon combined packing circle between above-mentioned valve gap and the valve rod, be provided with Gland in the upper end of said V-type teflon combined packing circle, Gland is connected through bolt with valve gap.Can guarantee the zero leakage of medium, anti-strong corruption, non-maintaining.
Above-mentioned flap upper end is provided with the through hole of symmetry, is dissolved with fluoroplastic in the through hole and constitutes one with outside anticorrosive coat.Pipeline vacuumizes not aliquation of plastics when reliably guaranteeing valve working, does not peel off in the running to come off.
The surface that the outer surface of the flange edge of importing and exporting at outer surface, valve gap, valve rod and the valve body of the internal surface of above-mentioned valve body, flap contacts with medium is equipped with equally distributed groove; Be dissolved with fluoroplastic in the groove and constitute one with outside anticorrosive coat, the width of groove notch is not more than the bottom land width.Pipeline vacuumizes not aliquation of plastics when reliably guaranteeing valve working, does not peel off in the running to come off.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the enlarged view of I portion among Fig. 1.
Embodiment
Like Fig. 1, shown in 2; The non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption; Comprise valve body 1, flap 2, valve gap 3, valve rod 4 and handwheel 5, the import and export of valve body 1 are respectively equipped with flange edge 6 and 7, are provided with equally distributed groove 18 at the internal surface of valve body 1; The outer surface of flap 2 is provided with equally distributed groove 19; The surface that valve gap 3 contacts with medium is provided with equally distributed groove 20, and the surface that valve rod 4 contacts with medium is provided with equally distributed groove 21, and the flange edge 6 that valve body 1 is imported and exported is provided with equally distributed groove 22 and 17 with the surface that 7 outer surface contacts with medium; Internal surface at valve body 1 is provided with anticorrosive coat 8; The outer surface of flap 2 is provided with anticorrosive coat 23; The surface that valve gap 3 contacts with medium is provided with anticorrosive coat 24; The surface that valve rod 4 contacts with medium is provided with anticorrosive coat 25, and the flange edge 6 that valve body 1 is imported and exported is respectively equipped with anticorrosive coat 26 and 27 with the surface that 7 outer surface contacts with medium; Constitute one at equally distributed groove of the internal surface of valve body 1 18 and internal surface anticorrosive coat 8 at valve body 1; The equally distributed groove 19 of the outer surface of flap 2 constitutes one with the outside surface anticorrosion layer 23 of flap 2; The surperficial equally distributed groove 20 that valve gap 3 contacts with medium constitutes one with the surface anticorrosion layer 24 that valve gap 3 contacts with medium; The surface anticorrosion layer 25 that the surperficial equally distributed groove 21 that valve rod 4 contacts with medium and valve rod 4 contact with medium constitutes one, surface anticorrosion layer 26 and 27 formation one that the surperficial equally distributed groove 22 that the flange edge 6 that valve body 1 is imported and exported and 7 outer surface contact with medium and 17 contacts with medium with the flange edge 6 of valve body 1 import and export and 7 outer surface; Surperficial equally distributed groove 22 that the flange edge 6 that the equally distributed groove of the outer surface of the equally distributed groove of the internal surface of valve body 1 18, flap 2 19, surperficial equally distributed groove 20 that valve gap 3 contacts with medium, surperficial equally distributed groove 21 that valve rod 4 contacts with medium and valve body 1 are imported and exported and 7 outer surface contact with medium and 17 width of rebate are not more than the bottom land width.
Between valve gap 3 and valve rod 4, be provided with V-type teflon combined packing circle 14, be provided with Gland 15 in the upper end of V-type teflon combined packing circle 14, Gland 15 is fixedly connected through bolt 16 with valve gap 3.
During use, rotate counterclockwise handwheel 5 and drive the sealing surface that flap 2 leaves valve body 1, valve open through valve rod 4; After treating to open fully; Flap 2 is near valve gap 3 one sides, and the first road potted line that the high and low spherical boss 11 that flap 2 planes are provided with and 12 constitutes coincide with valve gap 3 surfaces; Form sealing pair, reliably guarantee the last sealability of valve.Clockwise rotate handwheel 5 and drive the sealing surface that flap 2 caters to valve body 1 through valve rod 4, form sealing pair, handwheel 5 stressed late gates are closed tight, reach sealing fully, zero leakage.
Claims (6)
1. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption; Comprise valve body, flap, valve gap, valve rod and handwheel; The import and export of said valve body are respectively equipped with flange edge; The surface that the outer surface of the flange edge of importing and exporting at outer surface, valve gap, valve rod and the valve body of the internal surface of valve body, flap contacts with medium is respectively equipped with anticorrosive coat; It is characterized in that: said flap lower end periphery is provided with the sealing surface with built-in seam, on said valve body, is provided with the sealing pair that matches with the sealing surface of said flap lower end surface periphery.
2. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption according to claim 1, it is characterized in that: the upper end periphery of said flap is provided with high and low spherical boss.
3. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption according to claim 1; It is characterized in that: between said valve gap and valve rod, be provided with V-type teflon combined packing circle; Upper end at said V-type teflon combined packing circle is provided with Gland, and Gland is connected through bolt with valve gap.
4. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption according to claim 1 is characterized in that: said flap upper end is provided with the through hole of symmetry, is dissolved with fluoroplastic in the through hole and constitutes one with outside anticorrosive coat.
5. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption according to claim 1; It is characterized in that: the surface that the outer surface of the flange edge of importing and exporting at outer surface, valve gap, valve rod and the valve body of the internal surface of valve body, flap contact with medium is equipped with equally distributed groove, is dissolved with the anticorrosive coat formation one of fluoroplastic and outside in the groove.
6. the non-maintaining fluoroplastic all-liner stop valve of anti-strong corruption according to claim 5, it is characterized in that: the width of said groove notch is not more than the bottom land width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169622 CN202580042U (en) | 2012-04-20 | 2012-04-20 | Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169622 CN202580042U (en) | 2012-04-20 | 2012-04-20 | Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202580042U true CN202580042U (en) | 2012-12-05 |
Family
ID=47249455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169622 Expired - Lifetime CN202580042U (en) | 2012-04-20 | 2012-04-20 | Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202580042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
| CN112984135A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
-
2012
- 2012-04-20 CN CN 201220169622 patent/CN202580042U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
| WO2020143195A1 (en) * | 2019-01-11 | 2020-07-16 | 江苏金晟元特种阀门股份有限公司 | Strong-corrosion-resistant anti-particle fluoroplastic fully lined stop valve |
| CN112984135A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
| CN112984135B (en) * | 2021-02-18 | 2023-05-16 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |