CN202441896U - Balanced cage type single-seat adjusting valve - Google Patents
Balanced cage type single-seat adjusting valve Download PDFInfo
- Publication number
- CN202441896U CN202441896U CN2012200576703U CN201220057670U CN202441896U CN 202441896 U CN202441896 U CN 202441896U CN 2012200576703 U CN2012200576703 U CN 2012200576703U CN 201220057670 U CN201220057670 U CN 201220057670U CN 202441896 U CN202441896 U CN 202441896U
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- valve
- packing
- valve body
- cage
- type single
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Abstract
The utility model relates to a balanced cage type single-seat adjusting valve. The balanced cage type single-seat adjusting valve comprises a valve body and is characterized in that a valve cover is arranged on the valve body; a valve core component is arranged in the valve body; a valve cage is arranged between the valve core component and the valve body; a tooth profile pad is arranged between the valve cage and the valve body; a packing pad is arranged in a packing box; a packing spring is arranged at the upper part of the packing pad; a lower packing, a middle packing and an upper packing are arranged at the upper part of the packing spring; a packing gland and a packing pressing plate are arranged at the upper side of the upper padding; and a journey indicator is arranged above the packing pressing plate. The balanced cage type single-seat adjusting valve provided by the utility model realizes the requirement of ANSIB16.104IV level leakage in actual use under the working conditions of meeting large size, large flow and larger differential pressure and achieves good economic benefit and social benefit.
Description
Technical field
The utility model relates to a kind of balance type cage type single seat regulating valve, belongs to mechanical field.
Background technique
For existing technology, according to user's actual process conditional request, that is: the big flow of medium needs the valve of big specification; But require to leak grade of accuracy high (ANSI B16.104 IV level), and want to bear bigger pressure reduction (△ P), three conditions realize it being very difficult on a deck valve door; The hard sealing strip balance type of RFL type two-seater cage type regulating valve; Can bear big pressure reduction, the factor of structure has determined leakage class can only reach ANSI B16.104 III level, though and big specification single-seat adjusting valve can reach ANSI B16.104 IV level and leaks; But because actuator stem force and other intensity, rigidity reason; And can not bear big pressure reduction (△ P), for this reason, must consider the modulating valve of design new structure.
Summary of the invention
The purpose of the utility model provides a kind of modulating valve, to overcome the deficiency of existing technology.
To achieve these goals, the utility model adopts following technological scheme:
A kind of balance type cage type single seat regulating valve comprises valve body, it is characterized in that; Valve body is provided with valve gap, is provided with mangetic core assembly in the valve body, is provided with valve cage between mangetic core assembly and the valve body; Be provided with dentiform gasket between valve cage and the valve body, in stuffing box, be provided with Packing seat, be provided with packing spring between Packing seat and the following filler; The packing spring upside is provided with down filler, middle filler and last filler, is provided with Gland and hold-down grid on last filler top, and the hold-down grid top is provided with travel indicator.
Preferably, offer pressure compensation opening on the mangetic core assembly, its objective is to guarantee that under medium High Pressure Difference state, spool does not receive the influence of axial medium static pressure basically.
Preferably, the throttling window upper and lower part of valve cage is provided with two sealing lines, and increases a filled polytetrafluoroethylene seal ring and stainless steel insert in a distance, top of last potted line, its objective is the cut-out that guarantees to go up the sealing position, realizes IV level anti-leak.
The utility model in actual use; Pointedly specialized designs RFPLb type balance balance type cage type single seat regulating valve; Satisfy big specification, big flow, the modulating valve of big pressure reduction is realized the requirement that ANSI B16.104 IV level is leaked, and obtains good using effect; Receive user's favorable comment, obtained good economic benefit and social benefit.
Description of drawings
Fig. 1 is the utility model balance type cage type single seat regulating valve structural representation;
Label among the figure: filler, the last filler of 10-, 11-Gland, 12-hold-down grid, 13-travel indicator among filler, the 9-under 1-valve body, 2-mangetic core assembly, 3-valve cage, 4-dentiform gasket, 5-valve gap, 6-Packing seat, 7-packing spring, the 8-.
Embodiment
In order to deepen understanding to the utility model, will combine embodiment and accompanying drawing that the utility model is done further to detail below, this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.
A kind of balance type cage type single seat regulating valve comprises valve body 1, it is characterized in that; Valve body 1 is provided with valve gap 5, is provided with mangetic core assembly 2 in the valve body 1, is provided with valve cage 3 between mangetic core assembly 2 and the valve body 1; Be provided with dentiform gasket 4 between valve cage 3 and the valve body 1; Mangetic core assembly 2 tops are provided with Packing seat 6, and Packing seat 6 upsides are provided with packing spring 7, and packing spring 7 upsides are provided with down filler 8, middle filler 9 and last filler 10; Be provided with Gland 11 and hold-down grid 12 on the top of last filler 10, hold-down grid 12 tops are provided with travel indicator 13.
Claims (3)
1. balance type cage type single seat regulating valve; Comprise valve body (1), it is characterized in that valve body (1) is provided with valve gap (5); Be provided with mangetic core assembly (2) in the valve body (1); Be provided with valve cage (3) between mangetic core assembly (2) and the valve body (1), be provided with dentiform gasket (4) between valve cage (3) and the valve body (1), mangetic core assembly (2) top is provided with Packing seat (6); Packing seat (6) upside is provided with packing spring (7); Packing spring (7) upside is provided with down filler (8), middle filler (9) and last filler (10), is provided with Gland (11) and hold-down grid (12) on the top of last filler (10), and hold-down grid (12) top is provided with travel indicator (13).
2. balance type cage type single seat regulating valve as claimed in claim 1 is characterized in that, mangetic core assembly offers pressure compensation opening on (2).
3. balance type cage type single seat regulating valve as claimed in claim 1; It is characterized in that being provided with two sealing lines, and increase a filled polytetrafluoroethylene seal ring and stainless steel insert in a distance, top of last potted line in the throttling window upper and lower part of valve cage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200576703U CN202441896U (en) | 2012-02-22 | 2012-02-22 | Balanced cage type single-seat adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200576703U CN202441896U (en) | 2012-02-22 | 2012-02-22 | Balanced cage type single-seat adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441896U true CN202441896U (en) | 2012-09-19 |
Family
ID=46823348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200576703U Expired - Lifetime CN202441896U (en) | 2012-02-22 | 2012-02-22 | Balanced cage type single-seat adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588613A (en) * | 2012-02-22 | 2012-07-18 | 浙江德卡控制阀仪表有限公司 | Balance cage type single-seat regulation valve |
| CN103591315A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | Elastic C-shaped ring double-seat sealed cage type adjusting valve |
-
2012
- 2012-02-22 CN CN2012200576703U patent/CN202441896U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588613A (en) * | 2012-02-22 | 2012-07-18 | 浙江德卡控制阀仪表有限公司 | Balance cage type single-seat regulation valve |
| CN103591315A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | Elastic C-shaped ring double-seat sealed cage type adjusting valve |
| CN103591315B (en) * | 2013-11-20 | 2016-01-20 | 无锡智能自控工程股份有限公司 | Elasticity C type ring two-seater sealing cage type regulating valve |
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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: 20120919 |