CN101598242A - A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve - Google Patents
A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve Download PDFInfo
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- CN101598242A CN101598242A CNA2008100384843A CN200810038484A CN101598242A CN 101598242 A CN101598242 A CN 101598242A CN A2008100384843 A CNA2008100384843 A CN A2008100384843A CN 200810038484 A CN200810038484 A CN 200810038484A CN 101598242 A CN101598242 A CN 101598242A
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- movable connection
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Abstract
A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve relates to a kind of stop valve.Externally connected pipe and seal ring are connect claw by quick and movable be enclosed within fast on the quick and movable connection type valve body, by pin and tight locking button locking, product structure rationally, sealing is reliable, and dual robust sylphon seal design guarantees the zero leakage of valve rod.Do not have fluid loss, reduce energy loss, improve safety of factory equipment.Sealing surface weld deposit Co base cemented carbide, wear-resisting, corrosion resistant, good, the long service life of friction resistant performance, bellows titanizing Austenitic Stainless Steel is wear-resisting, corrosion resistant, good, the long service life of friction resistant performance, modified and the surfaces nitrided processing of valve rod has good anti-corruption and friction resistant performance; The indication of valve rod lifting position, more directly perceived, be applicable on the pipeline of various operating modes such as petrochemical industry, fertilizer industry, cut off or connect the pipeline medium.
Description
Technical field:
The present invention relates to a kind of stop valve.
Background technique:
At present, known stop valve, the open-shut device with stop valve are the flaps of plug type, and sealing surface is the plane or the conical surface, the center line moving linearly of flap longshore current body.The movement pattern of valve rod has elevating lever-type.Stop valve only is applicable to standard-sized sheet and complete shut-down, does not allow to do to regulate and throttling.Belong to forced seal formula valve,, do not leak with forced seal face so when valve closing, must exert pressure to flap.When medium enters valve by the flap below, the required resistance that overcomes of steering force is the frictional force of valve rod and filler with by the thrust that pressure produced of medium, the power that the force rate of closing valve is opened valve is big, so it is big that the diameter of valve rod is wanted, otherwise the fault of valve rod bending can take place.In recent years, after occurring from self-packing valve, the MEDIA FLOW of stop valve enters valve pocket to just changing by the flap top, and at this moment, under the pressure medium effect, the power of closing valve is little, and it is big to open the power of valve, and the diameter of valve rod can correspondingly reduce.Simultaneously, under the medium effect, the valve of this pattern is also tighter.When stop valve was opened, the Lift of flap was 25% of nominal diameter～30% o'clock, and it is maximum that flow has reached, and the expression valve has reached fully open position.So the fully open position of stop valve should be decided by the stroke of flap.Common material can not high-corrosion resistant, has influenced working life.
Summary of the invention:
In order to solve stop valve forced seal formula valve, when valve closing, must exert pressure to flap, with the technical problem that forced seal face does not leak, common material can not high-corrosion resistant, has influenced the technical problem in working life.The invention provides a kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve.
Technological scheme: a kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve, comprise the quick and movable connection type valve body, it is characterized in that externally connected pipe and seal ring connect claw and quick and movable connection type valve body mechanical connection by quick and movable, pin is connected with tight locking button locking, built-up welding Co base cemented carbide seal ring on the valve body, the active mechanical connection of the dual bellows arrangement of titanizing Austenitic Stainless Steel is below valve rod, the quick and movable connection type valve body contacts the convex-concave place and is embedded with bolt spring pad nut mechanical connection by high temperature resistant pad with valve gap, put down in the stuffing box on the valve gap Packing seat filler by Gland with the jack screw on the valve gap by very heavy nut mechanical connection, the valve rod top fits over mechanical connection in the Stem Mut, Stem Mut fits in the handwheel by the key mechanical connection, handwheel one changes through Stem Mut makes the valve rod lifting bar drive the dual bellows arrangement lifting of titanizing Austenitic Stainless Steel, valve gap top endoporus is joined the Stem Mut mechanical connection, and outer tennis partner's wheel is embedded by Stem Mut tightening nut mechanical connection by key on the Stem Mut.
Technique effect: owing to adopt such scheme, simple in structure, easy for installation, dual robust bellows convenient disassembly, quick and movable connect convenient disassembly, externally connected pipe and seal ring are connect claw by quick and movable be enclosed within fast on the quick and movable connection type valve body, by pin and tight locking button locking, product structure is reasonable, sealing is reliable, and dual robust sylphon seal design guarantees the zero leakage of valve rod.Do not have fluid loss, reduce energy loss, improve safety of factory equipment.Sealing surface weld deposit Co base cemented carbide, wear-resisting, corrosion resistant, good, the long service life of friction resistant performance, bellows titanizing Austenitic Stainless Steel is wear-resisting, corrosion resistant, good, the long service life of friction resistant performance, modified and the surfaces nitrided processing of valve rod has good anti-corruption and friction resistant performance; The indication of valve rod lifting position, more directly perceived, be applicable on the pipeline of various operating modes such as petrochemical industry, fertilizer industry, cut off or connect the pipeline medium.
Description of drawings:
Fig. 1 is the schematic representation of the embodiment of the invention.
Embodiment:
The present invention is further described below in conjunction with drawings and Examples.
In the drawings: 1. quick and movable connection type valve body, 2. built-up welding Co base cemented carbide seal ring, the 3. dual bellows arrangement of titanizing Austenitic Stainless Steel, 4. valve rod, 5. high temperature resistant pad, 6. bolt, 7. compression spring, 8. nut, 9. jack screw, 10. very heavy nut, 11. valve gaps, 12. Stem Muts, 13. handwheel, 14. Stem Mut tightening nuts, 15. keys, 16. Glands, 17. filler, 18. times Packing seats, 19. quick and movables connect claw, 20. seal rings, 21. pin, 22. externally connected pipe, 23. tight locking buttons.
In example shown in Figure 1: built-up welding Co base cemented carbide seal ring 2 on the quick and movable connection type valve body 1, sealing surface weld deposit Co base cemented carbide, wear-resisting, corrosion resistant, the friction resistant performance is good, long service life, the dual bellows arrangement 3 active mechanical connections of titanizing Austenitic Stainless Steel are below valve rod 4, bellows titanizing Austenitic Stainless Steel is wear-resisting, corrosion resistant, the friction resistant performance is good, long service life, quick and movable connection type valve body 1 contacts the convex-concave place and embeds with bolt 6 compression springs 7 nuts 8 fastening by high temperature resistant pad 5 with valve gap 11, putting down Packing seat 18 in the stuffing box on the valve gap 11 is tightened up by the jack screw 9 on the Gland 16 usefulness valve gaps 11 filler 17 by very heavy nut 10 adjustment, valve rod 4 tops fit in the Stem Mut 12, Stem Mut 12 fits in the handwheel 13 consolidates it by key 15, handwheel 13 1 changes through Stem Mut 12 makes valve rod 4 lifting bars drive dual bellows arrangement 2 liftings of titanizing Austenitic Stainless Steel, forced seal face does not leak, valve gap 11 top endoporus are joined Stem Mut 12, on the Stem Mut 12 outer tennis partner take turns 13 by key 15 embed by Stem Mut tightening nut 14 solid it, on valve gap 11, rotate.Externally connected pipe 22 and seal ring 20 are connect claw 19 by quick and movable be enclosed within fast on the quick and movable connection type valve body 1,, pipeline is connected do not leak by pin 21 and tight locking button 23 lockings.
Claims (2)
1. a fast and movable connection type high-erosion-resistant corrugated pipe stop valve comprises the quick and movable connection type valve body, it is characterized in that externally connected pipe and seal ring connect claw and quick and movable connection type valve body mechanical connection by quick and movable, and pin is connected with tight locking button locking.
2. a kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve according to claim 1, it is characterized in that built-up welding Co base cemented carbide seal ring on the valve body, the active mechanical connection of the dual bellows arrangement of titanizing Austenitic Stainless Steel is below valve rod, the quick and movable connection type valve body contacts the convex-concave place and is embedded with bolt spring pad nut mechanical connection by high temperature resistant pad with valve gap, put down in the stuffing box on the valve gap Packing seat filler by Gland with the jack screw on the valve gap by very heavy nut mechanical connection, the valve rod top fits over mechanical connection in the Stem Mut, Stem Mut fits in the handwheel by the key mechanical connection, handwheel one changes through Stem Mut makes the valve rod lifting bar drive the dual bellows arrangement lifting of titanizing Austenitic Stainless Steel, valve gap top endoporus is joined the Stem Mut mechanical connection, and outer tennis partner's wheel is embedded by Stem Mut tightening nut mechanical connection by key on the Stem Mut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100384843A CN101598242A (en) | 2008-06-03 | 2008-06-03 | A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100384843A CN101598242A (en) | 2008-06-03 | 2008-06-03 | A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101598242A true CN101598242A (en) | 2009-12-09 |
Family
ID=41419787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100384843A Pending CN101598242A (en) | 2008-06-03 | 2008-06-03 | A kind of fast and movable connection type high-erosion-resistant corrugated pipe stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598242A (en) |
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2008
- 2008-06-03 CN CNA2008100384843A patent/CN101598242A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091209 |