CN104089030A - Internal and external heat insulation clamping sleeve butterfly valve - Google Patents
Internal and external heat insulation clamping sleeve butterfly valve Download PDFInfo
- Publication number
- CN104089030A CN104089030A CN201410291452.XA CN201410291452A CN104089030A CN 104089030 A CN104089030 A CN 104089030A CN 201410291452 A CN201410291452 A CN 201410291452A CN 104089030 A CN104089030 A CN 104089030A
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- sealing
- valve plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/161—Housings for valves, tee pieces, or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to an internal and external heat insulation clamping sleeve butterfly valve which comprises a valve body, a valve seat, a valve plate and a valve shaft. The internal and external heat insulation clamping sleeve butterfly valve is characterized in that an internal heat insulation cavity is positioned in the valve plate, one side of the valve plate is provided with a first through hole, the other side of the valve plate is provided with a second through hole, and the first through hole and the second through hole are communicated with the internal heat insulation cavity. A first flow channel is arranged in the left half part of the valve shaft, an opening at the outer end of the first flow channel is located in the valve plate and communicated with one side of the internal heat insulation cavity through the first through hole, a second flow channel is arranged in the right half part of the valve shaft, an opening at the outer end of the second flow channel is located outside the valve body and communicated with a second internal heat insulation connector on a second sealing connecting pipe set, and an opening at the inner end of the second flow channel is located in the valve plate and communicated with the other side of the internal heat insulation cavity through the second through hole. Process mediums can be effectively prevented from being cooled and crystallized in the valve, valve blockage is avoided, and the device maintenance cost is reduced.
Description
Technical field
The present invention relates to a kind of butterfly valve, specifically a kind of inside and outside insulation jacket butterfly valve, belongs to valve arrangement technical field.
Background technique
Butterfly valve is a kind of modulating valve simple in structure, also can be used for the switch control of low pressure pipeline medium simultaneously.The open-shut device of butterfly valve is a discoidal valve plate, and valve plate axis around himself in valve body rotates, thereby reaches the object that opens and closes or regulate.Butterfly valve application is very extensive, but in the production of some product, and the medium of the butterfly valve of flowing through will produce crystallization in temperature during lower than solidification point, causes valve blockage, and this just needs butterfly valve to have heat insulation function, prevents from blocking or stuck being failure to actuate.Most of butterfly valves in the market just carry out simple bundling type insulation to be processed in valve body outside, but in some occasion, such heat preserving mode poor effect, still exists and stop up risk, need to be improved.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of inside and outside insulation jacket butterfly valve is provided, its structure is ingenious, reasonable in design, can effectively prevent processing medium crystallisation by cooling in valve, avoid valve blockage, make to produce and can carry out smoothly, enhance productivity, reduce device maintenance maintenance cost.
According to technological scheme provided by the invention: inside and outside insulation jacket butterfly valve, comprise valve body, valve seat, valve plate and valve shaft, valve seat is arranged in valve body, valve body both sides are provided with symmetry and coaxial axle supporting base, valve shaft runs through valve body and supports by axle supporting base, valve plate is arranged in the inner chamber of valve body and is fixed on valve shaft, coordinates the keying adjusting of control butterfly valve when valve plate upset with valve seat; It is characterized in that: described valve plate inside is provided with interior incubation cavity, valve plate one side is provided with the first through hole, and opposite side is provided with the second through hole, and the first through hole, the second through hole are all communicated with interior incubation cavity; Described valve shaft left-half inside is provided with first flow, first flow outer end opening is positioned at valve body the first thermal insulation joint outer and that take in external member with the first sealing and is communicated with, and in first flow, end opening is positioned at valve plate and is communicated with incubation cavity one side by the first through hole; Described valve shaft right half part inside is provided with the second runner, the second runner outer end opening is positioned at valve body the second thermal insulation joint outer and that take in external member with the second sealing and is communicated with, and the inner opening of the second runner is positioned at valve plate and is communicated with incubation cavity opposite side by the second through hole.
As a further improvement on the present invention, described valve body periphery is provided with external insulation chuck, described external insulation chuck upper and lower end is connected with the flange seal of valve body upper and lower end respectively, axle supporting base outer wall on external insulation chuck and valve body is tightly connected, and forms outer incubation cavity between valve outer wall and external insulation chuck inwall; Described external insulation chuck one side is provided with the first outer thermal insulation joint, and opposite side is provided with the second outer thermal insulation joint, and the first outer thermal insulation joint and the second outer thermal insulation joint are all communicated with outer incubation cavity.
As a further improvement on the present invention, described external insulation chuck and valve body coaxially arrange.
As a further improvement on the present invention, described the first sealing is taken over external member and is comprised that the first adapter sleeve, the first interior thermal insulation joint and sealing are communicated with assembly, and described the first adapter sleeve is sleeved on valve shaft, and the first interior thermal insulation joint is arranged on the first adapter sleeve; The first adapter sleeve is inner to be connected with axle supporting base exterior edge face, in the first adapter sleeve, outer end of hole is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring of engraving that described first flow outer end opening is communicated with in assembly by sealing is communicated with the first interior thermal insulation joint; Described the second sealing is taken over external member and is comprised that the second adapter sleeve, the second interior thermal insulation joint and sealing are communicated with assembly, and described the second adapter sleeve is sleeved on valve shaft, and the second interior thermal insulation joint is arranged on the second adapter sleeve; The second adapter sleeve is inner to be connected with axle supporting base exterior edge face, in the second adapter sleeve, outer end of hole is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring of engraving that described the second runner outer end opening is communicated with in assembly by sealing is communicated with the second interior thermal insulation joint.
As a further improvement on the present invention, described valve plate comprises valve plate lid and valve plate body, valve plate lid is fixedly connected with valve plate body by screw, and the periphery of valve plate lid and valve plate body has clamped a ring packing packing ring, forms the interior incubation cavity of sealing between valve plate lid, valve plate body and ring packing packing ring; Described valve plate body is provided with valve shaft mounting hole, and described valve shaft passes and is connected with valve plate body by pin in valve shaft mounting hole, and described the first through hole and the second through hole are arranged on valve plate body.
As a further improvement on the present invention, the two ends of described valve shaft mounting hole are respectively equipped with Seal cage, sealing is housed in described Seal cage and is communicated with assembly, the hole spacer ring of engraving that in described first flow, end opening is communicated with in assembly by sealing is communicated with the first through hole, and the hole spacer ring of engraving that the inner opening of described the second runner is communicated with in assembly by sealing is communicated with the second through hole.
As a further improvement on the present invention, described sealing is communicated with assembly and comprises and engraves hole spacer ring, filler and Gland, described in engrave hole spacer ring and filler is contained in Seal cage and compresses by Gland, engrave spacer ring both sides, hole by packing seal shutoff.
As a further improvement on the present invention, in described axle supporting base, be provided with bearing, described valve shaft supports by bearing.
compared with prior art, tool has the following advantages in the present invention:structure of the present invention is ingenious, reasonable in design, can effectively prevent processing medium crystallisation by cooling in valve, avoids valve blockage, makes to produce to carry out smoothly, enhances productivity, and reduces device maintenance maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the amplification assumption diagram of valve body in Fig. 1.
Fig. 3 is the amplification assumption diagram of valve shaft in Fig. 1.
Fig. 4 is the amplification assumption diagram of valve plate in Fig. 1.
Fig. 5 is that in Fig. 1, the amplification assumption diagram of external member is taken in the first sealing.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the inside and outside insulation jacket butterfly valve in embodiment is mainly taken over the component such as external member 7, the second sealing adapter external member 8, external insulation chuck 9 and flange 10 and formed by valve body 1, valve seat 2, valve plate 3, valve shaft 4, axle supporting base 5, bearing 6, the first sealing.
As shown in Fig. 1 ~ Fig. 5, valve seat 2 is arranged in valve body 1, valve body 1 both sides are provided with symmetry and coaxial axle supporting base 5, in axle supporting base 5, be provided with bearing 6, described valve shaft 4 runs through valve body 1 and supports by the bearing 6 in axle supporting base 5, valve plate 3 is arranged in the inner chamber of valve body 1 and is fixed on valve shaft 4, when valve plate 3 overturns, coordinates with valve seat 2, and the keying of controlling butterfly valve regulates.Described valve plate 3 inside are provided with interior incubation cavity 12, and valve plate 3 one sides are provided with the first through hole 13, and opposite side is provided with the second through hole 14, the first through holes 13, the second through hole 14 is all communicated with interior incubation cavity 12; Described valve shaft 4 left-half inside are provided with first flow 4a, first flow 4a outer end opening is positioned at valve body 1 the first thermal insulation joint 7b outer and that take in external member 7 with the first sealing and is communicated with, and in first flow 4a, end opening is positioned at valve plate 3 and is communicated with incubation cavity 12 1 sides by the first through hole 13; Described valve shaft 4 right half part inside are provided with the second runner 4b, the second runner 4b outer end opening is positioned at valve body 1 the second thermal insulation joint 8b outer and that take in external member 8 with the second sealing and is communicated with, and in the second runner 4b, end opening is positioned at valve plate 3 and is communicated with incubation cavity 12 opposite sides by the second through hole 14.
As shown in Figure 1, shown in Figure 5, in the embodiment of the present invention, described the first sealing is taken over external member 7 and is mainly made up of the first adapter sleeve 7a, the first interior thermal insulation joint 7b and sealing connection assembly, described the first adapter sleeve 7a is sleeved on valve shaft 4, and the first interior thermal insulation joint 7b is arranged on the first adapter sleeve 7a; The first adapter sleeve 7a is inner to be connected with axle supporting base 5 exterior edge faces, in the first adapter sleeve 7a, outer end of hole is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring 16 of engraving that described first flow 4a outer end opening is communicated with in assembly by sealing is communicated with the first interior thermal insulation joint 7b.The structure that external member 8 is taken in described the second sealing is identical with the first sealing adapter external member 7 assemblies, it is mainly communicated with assembly by the second adapter sleeve 8a, the second interior thermal insulation joint 8b and sealing and forms, described the second adapter sleeve 8a is sleeved on valve shaft 4, and the second interior thermal insulation joint 8b is arranged on the second adapter sleeve 8a; The second adapter sleeve 8a is inner to be connected with axle supporting base 5 exterior edge faces, in the second adapter sleeve 8a, outer end of hole is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring 16 of engraving that described the second runner 4b outer end opening is communicated with in assembly by sealing is communicated with the second interior thermal insulation joint 8b.
As Figure 1 and Figure 4, in the embodiment of the present invention, described valve plate 3 is mainly made up of valve plate lid 3a, valve plate body 3b and ring packing packing ring 3c, valve plate lid 3a is fixedly connected with valve plate body 3b by screw, the periphery of valve plate lid 3a and valve plate body 3b clamps ring packing packing ring 3c, forms the interior incubation cavity 12 of sealing between valve plate lid 3a, valve plate body 3b and ring packing packing ring 3c; Described valve plate body 3b is provided with valve shaft mounting hole 15, and described valve shaft 4 passes and is connected with valve plate body 3b by pin in valve shaft mounting hole 15, and described the first through hole 13 and the second through hole 14 are arranged on valve plate body 3b.
The two ends of described valve shaft mounting hole 15 are respectively equipped with Seal cage, sealing is housed in described Seal cage and is communicated with assembly, the hole spacer ring 16 of engraving that in described first flow 4a, end opening is communicated with in assembly by sealing is communicated with the first through hole 13, and the hole spacer ring 16 of engraving that in described the second runner 4b, end opening is communicated with in assembly by sealing is communicated with the second through hole 14.
In the embodiment of the present invention, be arranged on the first sealing and take over external member 7, the second sealing and take over external member 8 and the sealing on valve plate 3 to be communicated with modular construction identical, only specification is variant.The structure of described sealing connection assembly as shown in Figure 4, Figure 5, it mainly forms by engraving hole spacer ring 16, filler 18 and Gland 17, described hole spacer ring 16 and the filler 18 engraved is contained in Seal cage and compresses by Gland 17, engraves hole spacer ring 16 both sides by filler 18 sealing blockings.
In addition, as shown in Figure 1 and Figure 2, described valve body 1 periphery is provided with the external insulation chuck 9 coaxial with valve body 1, described external insulation chuck 9 upper and lower end are tightly connected with the flange 10 of valve body 1 upper and lower end respectively, external insulation chuck 9 is tightly connected with axle supporting base 5 outer walls on valve body 1, forms outer incubation cavity 11 between valve body 1 outer wall and external insulation chuck 9 inwalls; Described external insulation chuck 9 one sides are provided with the first outer thermal insulation joint 1a, and opposite side is provided with the second outer thermal insulation joint 1b, and the first outer thermal insulation joint 1a and the second outer thermal insulation joint 1b are all communicated with outer incubation cavity 11.
Working procedure of the present invention and working principle are as follows:
One road thermal insulation medium from external insulation chuck 9 one sides first thermal insulation joint 1a flow into, the outer incubation cavity 11 of flowing through, from external insulation chuck 9 opposite sides second thermal insulation joint 1b flow out, thereby form one and continue the outside stream circulating, make valve body 1 in keeping warm mode, reach the object of external insulation.
Another road thermal insulation medium enters the first sealing and takes over the first interior thermal insulation joint 7b in external member 7, successively through first flow 4a, the first through hole 13 from interior incubation cavity 12 1 side inflows, the interior incubation cavity 12 of flowing through, then flow out from interior incubation cavity 12 opposite sides, the the second interior thermal insulation joint 8b taking in external member 8 through the second through hole 14, the second runner 4b and the second sealing discharges, thereby form one and continue the internal flow path circulating, make valve shaft 4 and valve plate 3 in keeping warm mode, reach the object of internal insulation.
Butterfly valve of the present invention is by above-mentioned external insulation and internal insulation, and the medium crystallization of the butterfly valve that can effectively prevent from flowing through, prevents valve blockage or stuck motionless, makes processing medium require automatically to go on according to manufacturing process.
Claims (8)
1. inside and outside insulation jacket butterfly valve, comprise valve body (1), valve seat (2), valve plate (3) and valve shaft (4), valve seat (2) is arranged in valve body (1), valve body (1) both sides are provided with symmetry and coaxial axle supporting base (5), valve shaft (4) runs through valve body (1) and by axle supporting base (5) supporting, and valve plate (3) is arranged in the inner chamber of valve body (1) and is fixed on valve shaft (4); It is characterized in that: described valve plate (3) inside is provided with interior incubation cavity (12), valve plate (3) one sides are provided with the first through hole (13), and opposite side is provided with the second through hole (14), and the first through hole (13), the second through hole (14) are all communicated with interior incubation cavity (12); Described valve shaft (4) left-half inside is provided with first flow (4a), first flow (4a) outer end opening is positioned at valve body (1) the first thermal insulation joint (7b) outer and that take in external member (7) with the first sealing and is communicated with, and the interior end opening of first flow (4a) is positioned at valve plate (3) and is communicated with incubation cavity (12) one sides by the first through hole (13); Described valve shaft (4) right half part inside is provided with the second runner (4b), the second runner (4b) outer end opening is positioned at valve body (1) the second thermal insulation joint (8b) outer and that take in external member (8) with the second sealing and is communicated with, and the interior end opening of the second runner (4b) is positioned at valve plate (3) and is communicated with incubation cavity (12) opposite side by the second through hole (14).
2. inside and outside insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: described valve body (1) periphery is provided with external insulation chuck (9), described external insulation chuck (9) upper and lower end is tightly connected with the flange (10) of valve body (1) upper and lower end respectively, external insulation chuck (9) is tightly connected with axle supporting base (5) outer wall on valve body (1), forms outer incubation cavity (11) between valve body (1) outer wall and external insulation chuck (9) inwall; Described external insulation chuck (9) one sides are provided with the first outer thermal insulation joint (1a), and opposite side is provided with the second outer thermal insulation joint (1b), and the first outer thermal insulation joint (1a) and the second outer thermal insulation joint (1b) are all communicated with outer incubation cavity (11).
3. inside and outside insulation jacket butterfly valve as claimed in claim 2, is characterized in that: described external insulation chuck (9) coaxially arranges with valve body (1).
4. inside and outside insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: described the first sealing is taken over external member (7) and comprised that the first adapter sleeve (7a), the first interior thermal insulation joint (7b) and sealing are communicated with assembly, it is upper that described the first adapter sleeve (7a) is sleeved on valve shaft (4), and the first interior thermal insulation joint (7b) is arranged on the first adapter sleeve (7a); The first adapter sleeve (7a) is inner to be connected with axle supporting base (5) exterior edge face, the interior outer end of hole of the first adapter sleeve (7a) is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring (16) of engraving that described first flow (4a) outer end opening is communicated with in assembly by sealing is communicated with the first interior thermal insulation joint (7b); Described the second sealing is taken over external member (8) and is comprised that the second adapter sleeve (8a), the second interior thermal insulation joint (8b) and sealing are communicated with assembly, it is upper that described the second adapter sleeve (8a) is sleeved on valve shaft (4), and the second interior thermal insulation joint (8b) is arranged on the second adapter sleeve (8a); The second adapter sleeve (8a) is inner to be connected with axle supporting base (5) exterior edge face, the interior outer end of hole of the second adapter sleeve (8a) is provided with Seal cage, described sealing is communicated with assembly and is contained in Seal cage, and the hole spacer ring (16) of engraving that described the second runner (4b) outer end opening is communicated with in assembly by sealing is communicated with the second interior thermal insulation joint (8b).
5. inside and outside insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: described valve plate (3) comprises valve plate lid (3a) and valve plate body (3b), valve plate lid (3a) is fixedly connected with valve plate body (3b) by screw, valve plate lid (3a) has clamped a ring packing packing ring (3c) with the periphery of valve plate body (3b), forms the interior incubation cavity (12) of sealing between valve plate lid (3a), valve plate body (3b) and ring packing packing ring (3c); Described valve plate body (3b) is provided with valve shaft mounting hole (15), described valve shaft (4) passes and is connected with valve plate body (3b) by pin in valve shaft mounting hole (15), and described the first through hole (13) and the second through hole (14) are arranged on valve plate body (3b).
6. inside and outside insulation jacket butterfly valve as claimed in claim 5, it is characterized in that: the two ends of described valve shaft mounting hole (15) are respectively equipped with Seal cage, sealing is housed in described Seal cage and is communicated with assembly, the hole spacer ring (16) of engraving that the interior end opening of described first flow (4a) is communicated with in assembly by sealing is communicated with the first through hole (13), and the hole spacer ring (16) of engraving that the interior end opening of described the second runner (4b) is communicated with in assembly by sealing is communicated with the second through hole (14).
7. the inside and outside insulation jacket butterfly valve as described in claim 4 or 6, it is characterized in that: described sealing connection assembly comprises engraves hole spacer ring (16), filler (18) and Gland (17), described hole spacer ring (16) and the filler (18) engraved is contained in Seal cage and by Gland (17) and compresses, and engraves hole spacer ring (16) both sides by filler (18) sealing blocking.
8. inside and outside insulation jacket butterfly valve as claimed in claim 1, is characterized in that: in described axle supporting base (5), be provided with bearing (6), described valve shaft (4) is by bearing (6) supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291452.XA CN104089030A (en) | 2014-06-25 | 2014-06-25 | Internal and external heat insulation clamping sleeve butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291452.XA CN104089030A (en) | 2014-06-25 | 2014-06-25 | Internal and external heat insulation clamping sleeve butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104089030A true CN104089030A (en) | 2014-10-08 |
Family
ID=51636772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410291452.XA Pending CN104089030A (en) | 2014-06-25 | 2014-06-25 | Internal and external heat insulation clamping sleeve butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089030A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736717A (en) * | 2016-04-18 | 2016-07-06 | 浙江联大阀门有限公司 | All-steam tracing butterfly valve |
| CN108884765A (en) * | 2016-04-12 | 2018-11-23 | 日立汽车***株式会社 | Valve body, electronically controlled throttle valve main body, motor-driven throttle valve main body and valving |
| CN109780229A (en) * | 2019-03-21 | 2019-05-21 | 无锡智能自控工程股份有限公司 | Inside and outside jacket type three-eccentric-butterfly-valve |
| WO2022082432A1 (en) * | 2020-10-20 | 2022-04-28 | Emerson Process Management (Tianjin) Valves Co., Ltd. | Heat tracing systems for fluid valves and related methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809948A (en) * | 1983-11-04 | 1989-03-07 | Xomox Corporation | Butterfly valve assembly and method of making same |
| CN2455971Y (en) * | 2000-12-11 | 2001-10-24 | 浙江慎江阀门有限公司 | High performance wear-resistant oil mud butterfly gate with thermal insulation |
| CN2568890Y (en) * | 2002-09-13 | 2003-08-27 | 成都华西化工科技股份有限公司 | High temp butterfly valve |
| CN101126456A (en) * | 2007-09-29 | 2008-02-20 | 董映红 | Steam jacket butterfly valve |
| CN201246471Y (en) * | 2008-09-11 | 2009-05-27 | 铁岭博旺阀门有限公司 | High temperature resistant water cooling butterfly valve |
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN203926840U (en) * | 2014-06-25 | 2014-11-05 | 无锡宝牛阀业有限公司 | Inside and outside insulation jacket butterfly valve |
-
2014
- 2014-06-25 CN CN201410291452.XA patent/CN104089030A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809948A (en) * | 1983-11-04 | 1989-03-07 | Xomox Corporation | Butterfly valve assembly and method of making same |
| CN2455971Y (en) * | 2000-12-11 | 2001-10-24 | 浙江慎江阀门有限公司 | High performance wear-resistant oil mud butterfly gate with thermal insulation |
| CN2568890Y (en) * | 2002-09-13 | 2003-08-27 | 成都华西化工科技股份有限公司 | High temp butterfly valve |
| CN101126456A (en) * | 2007-09-29 | 2008-02-20 | 董映红 | Steam jacket butterfly valve |
| CN201246471Y (en) * | 2008-09-11 | 2009-05-27 | 铁岭博旺阀门有限公司 | High temperature resistant water cooling butterfly valve |
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN203926840U (en) * | 2014-06-25 | 2014-11-05 | 无锡宝牛阀业有限公司 | Inside and outside insulation jacket butterfly valve |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108884765A (en) * | 2016-04-12 | 2018-11-23 | 日立汽车***株式会社 | Valve body, electronically controlled throttle valve main body, motor-driven throttle valve main body and valving |
| EP3444466A4 (en) * | 2016-04-12 | 2019-10-09 | Hitachi Automotive Systems, Ltd. | Valve body, electronically controlled throttle body, motor-driven throttle body, and valve device |
| CN108884765B (en) * | 2016-04-12 | 2021-07-27 | 日立汽车***株式会社 | Electric control throttle body and motor-driven throttle body |
| CN105736717A (en) * | 2016-04-18 | 2016-07-06 | 浙江联大阀门有限公司 | All-steam tracing butterfly valve |
| CN109780229A (en) * | 2019-03-21 | 2019-05-21 | 无锡智能自控工程股份有限公司 | Inside and outside jacket type three-eccentric-butterfly-valve |
| WO2022082432A1 (en) * | 2020-10-20 | 2022-04-28 | Emerson Process Management (Tianjin) Valves Co., Ltd. | Heat tracing systems for fluid valves and related methods |
| US11852262B2 (en) | 2020-10-20 | 2023-12-26 | Emerson Process Management (Tianjin) Valve Co., Ltd. | Heat tracing systems for fluid valves and related methods |
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Application publication date: 20141008 |