CN204477318U - Super large-scale high-performance balance cage type regulating valve - Google Patents
Super large-scale high-performance balance cage type regulating valve Download PDFInfo
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- CN204477318U CN204477318U CN201520066974.XU CN201520066974U CN204477318U CN 204477318 U CN204477318 U CN 204477318U CN 201520066974 U CN201520066974 U CN 201520066974U CN 204477318 U CN204477318 U CN 204477318U
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Abstract
A kind of super large-scale high-performance balance cage type regulating valve, comprises valve body, valve body is provided with valve gap, be provided with valve cage in valve body, be provided with wound gasket between the bottom of valve cage and valve body, be provided with dentiform gasket between the top of valve cage and valve body; Be provided with mangetic core assembly in valve cage, described mangetic core assembly comprises valve rod and spool, and described valve rod is located at spool upper end, and spool is provided with combined seal ring near the periphery of valve rod side, and spool is provided with gland near the periphery of valve rod side on the upside of combined seal ring; Described valve rod is located in valve gap, valve rod upper end is disposed with Packing seat, Gland from the bottom up, is provided with shaping packing filling between Packing seat and Gland, and Gland is located at valve gap upper end-hole, and valve rod is provided with hold-down grid in Gland upper end, hold-down grid and valve gap fix; Sealability of the present utility model is high, and can be applicable to the occasion of vast capacity.
Description
Technical field
The utility model relates to a kind of balance cage type regulating valve, and particularly a kind of super large-scale high-performance balance cage type regulating valve, belongs to valve manufacture field.
Background technique
Straight-through regulating valve of two-seater is made up of parts such as valve body, valve seat, spool, guide sleeve, valve gap, valve rod and fillers, the industry spot of dividing assemblies such as being equipped with different pneumatic actuators, positioning work piece, filtering pressure reducing valve to form by modulating valve valve body performs instrument, it accepts 4-20mA or the pulse signal of central control chamber output, carry out closed loop control, realize flow, pressure, temperature, the isoparametric automatic control of liquid level, and electronic or pneumatic actuator can be selected, form more intelligent control system.Plain edition balance cage type regulating valve used in the market only can be used in the occasion of capacity (Cv value)≤Cv640, the occasion of vast capacity can not be met, such as: capacity (Cv value)≤Cv2000, greatly limit to the field of employment of balance cage type regulating valve, limit to the development of balance cage type regulating valve.
Summary of the invention
The purpose of this utility model is to solve the deficiencies in the prior art, and the utility model provides a kind of super large-scale high-performance balance cage type regulating valve that can be applicable to the occasion of vast capacity.
The utility model solves the technological scheme that its technical problem adopts: a kind of super large-scale high-performance balance cage type regulating valve, comprise valve body, valve body is provided with valve gap, valve cage is provided with in valve body, be provided with wound gasket between the bottom of valve cage and valve body, between the top of valve cage and valve body, be provided with dentiform gasket; Be provided with mangetic core assembly in valve cage, described mangetic core assembly comprises valve rod and spool, and described valve rod is located at spool upper end, and spool is provided with combined seal ring near the periphery of valve rod side, and spool is provided with gland near the periphery of valve rod side on the upside of combined seal ring; Described valve rod is located in valve gap, valve rod upper end is disposed with Packing seat, Gland from the bottom up, is provided with shaping packing filling between Packing seat and Gland, and Gland is located at valve gap upper end-hole, and valve rod is provided with hold-down grid in Gland upper end, hold-down grid and valve gap fix.
As preferably, described valve body is fixedly connected with big nut by large stud with valve gap, and described hold-down grid is fixedly connected with primary nut by little stud with valve gap.
As preferably, described spool offers several pressure compensation openings.
As preferably, be also provided with spacer between described Packing seat and Gland, shaping packing filling is divided into two groups by spacer, and described valve gap is provided with screw plug at corresponding spacer place.
As preferably, described shaping packing filling material is graphite asbestos or tetrafluoro asbestos.
As preferably, the upper end of described valve gap is provided with the socket head screw for installing actuator.
The utility model, by arranging wound gasket between the bottom and valve body of valve cage, arranges dentiform gasket between the top of valve cage and valve body, spool arranges combined seal ring, improve sealing, and can be applicable to the occasion of vast capacity.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the overall structure schematic diagram of the utility model mangetic core assembly.
In figure: 1, valve body, 2, wound gasket, 3, mangetic core assembly, 31, valve rod, 32, gland, 33, combined seal ring, 34, spool, 4, valve cage, 5, dentiform gasket, 6, valve gap, 7, large stud, 8, big nut, 9, Packing seat, 10, shaping packing filling, 11, screw plug, 12, spacer, 13, socket head screw, 14, Gland, 15, hold-down grid, 16, little stud, 17, primary nut.
Embodiment
In order to make technical problem to be solved in the utility model, technological scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment:
A kind of super large-scale high-performance balance cage type regulating valve as shown in Figure 1 to Figure 2, comprise valve body 1, valve body 1 is provided with valve gap 6, valve body 1 is fixedly connected with big nut 8 by large stud 7 with valve gap 6; Be provided with valve cage 4 in valve body 1, between the bottom of valve cage 4 and valve body 1, be provided with wound gasket 2, between the top of valve cage 4 and valve body 1, be provided with dentiform gasket 5; Mangetic core assembly 3 is provided with in valve cage 4, mangetic core assembly 3 comprises valve rod 31 and spool 34, valve rod 31 is located at spool 34 upper end, spool 34 is provided with combined seal ring 33 near the periphery of valve rod 31 side, spool 34 is provided with gland 32 near the periphery of valve rod 31 side on the upside of combined seal ring 33, and spool also offers several pressure compensation openings; Valve rod 31 is located in valve gap 6, valve rod 31 upper end is disposed with Packing seat 9, Gland 14 from the bottom up, the shaping packing filling 10 that material is graphite asbestos or tetrafluoro asbestos is provided with between Packing seat 9 and Gland 14, spacer 12 is also provided with between Packing seat 9 and Gland 14, shaping packing filling 10 is divided into two groups by spacer 12, and valve gap 6 is provided with screw plug 11 at corresponding spacer 12 place; Gland 14 is located at valve gap 6 upper end-hole, and valve rod 31 is provided with hold-down grid 15 in Gland 14 upper end, and hold-down grid 15 is fixedly connected with primary nut 17 by little stud 16 with valve gap 6; The upper end of valve gap 6 is provided with the socket head screw 13 for installing actuator.
The utility model, by arranging wound gasket 2 between the bottom of valve cage 4 and valve body 1, arranges dentiform gasket 5 between the top of valve cage 4 and valve body 1, spool 34 arranges combined seal ring 33, improves sealing, and can be applicable to the occasion of vast capacity.
Above-described embodiment is one of the present utility model preferably scheme, not does any pro forma restriction to the utility model, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (6)
1. a super large-scale high-performance balance cage type regulating valve, comprise valve body (1), it is characterized in that: valve body (1) is provided with valve gap (6), valve cage (4) is provided with in valve body (1), be provided with wound gasket (2) between the bottom of valve cage (4) and valve body (1), between the top of valve cage (4) and valve body (1), be provided with dentiform gasket (5); Mangetic core assembly (3) is provided with in valve cage (4), described mangetic core assembly (3) comprises valve rod (31) and spool (34), described valve rod (31) is located at spool (34) upper end, spool (34) is provided with combined seal ring (33) near the periphery of valve rod (31) side, and spool (34) is provided with gland (32) near the periphery of valve rod (31) side in combined seal ring (33) upside; Described valve rod (31) is located in valve gap (6), valve rod (31) upper end is disposed with Packing seat (9), Gland (14) from the bottom up, shaping packing filling (10) is provided with between Packing seat (9) and Gland (14), Gland (14) is located at valve gap (6) upper end-hole, and valve rod (31) is provided with hold-down grid (15) in Gland (14) upper end, hold-down grid (15) and valve gap (6) fix.
2. super large-scale high-performance balance cage type regulating valve according to claim 1, it is characterized in that: described valve body (1) is fixedly connected with big nut (8) by large stud (7) with valve gap (6), described hold-down grid (15) is fixedly connected with primary nut (17) by little stud (16) with valve gap (6).
3. super large-scale high-performance balance cage type regulating valve according to claim 1, is characterized in that: (34) offer several pressure compensation openings to described spool.
4. super large-scale high-performance balance cage type regulating valve according to claim 1, it is characterized in that: between described Packing seat (9) and Gland (14), be also provided with spacer (12), shaping packing filling (10) is divided into two groups by spacer (12), and described valve gap (6) is provided with screw plug (11) at corresponding spacer (12) place.
5. super large-scale high-performance balance cage type regulating valve according to claim 1, is characterized in that: described shaping packing filling (10) material is graphite asbestos or tetrafluoro asbestos.
6. super large-scale high-performance balance cage type regulating valve according to claim 1, is characterized in that: the upper end of described valve gap (6) is provided with the socket head screw (13) for installing actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066974.XU CN204477318U (en) | 2015-01-30 | 2015-01-30 | Super large-scale high-performance balance cage type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066974.XU CN204477318U (en) | 2015-01-30 | 2015-01-30 | Super large-scale high-performance balance cage type regulating valve |
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| Publication Number | Publication Date |
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| CN204477318U true CN204477318U (en) | 2015-07-15 |
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| CN201520066974.XU Active CN204477318U (en) | 2015-01-30 | 2015-01-30 | Super large-scale high-performance balance cage type regulating valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134989A (en) * | 2015-08-24 | 2015-12-09 | 河南省中原大化集团有限责任公司 | Novel double-flow-direction cut-off regulating valve sealing device and application method |
| CN105822781A (en) * | 2016-04-15 | 2016-08-03 | 蚌埠南自仪表有限公司 | Sleeve valve |
| CN106678423A (en) * | 2017-03-04 | 2017-05-17 | 沈阳航天新光集团有限公司 | High-pressure electromagnetic starting device |
| CN109578599A (en) * | 2017-09-29 | 2019-04-05 | 费希尔控制产品国际有限公司 | Fluid flow control device with grain catcher |
-
2015
- 2015-01-30 CN CN201520066974.XU patent/CN204477318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134989A (en) * | 2015-08-24 | 2015-12-09 | 河南省中原大化集团有限责任公司 | Novel double-flow-direction cut-off regulating valve sealing device and application method |
| CN105822781A (en) * | 2016-04-15 | 2016-08-03 | 蚌埠南自仪表有限公司 | Sleeve valve |
| CN106678423A (en) * | 2017-03-04 | 2017-05-17 | 沈阳航天新光集团有限公司 | High-pressure electromagnetic starting device |
| CN109578599A (en) * | 2017-09-29 | 2019-04-05 | 费希尔控制产品国际有限公司 | Fluid flow control device with grain catcher |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |