CN103411009A - Widely popularized type safety reducing valve - Google Patents
Widely popularized type safety reducing valve Download PDFInfo
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- CN103411009A CN103411009A CN2013103552894A CN201310355289A CN103411009A CN 103411009 A CN103411009 A CN 103411009A CN 2013103552894 A CN2013103552894 A CN 2013103552894A CN 201310355289 A CN201310355289 A CN 201310355289A CN 103411009 A CN103411009 A CN 103411009A
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- valve
- seat
- poppet shaft
- spool cover
- cavity
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Abstract
The invention discloses a reducing valve with universal valve covers. The reducing valve comprises a valve central spindle, a valve core socket sleeve, a low pressure guaranteeing spring and valve covers installed at two ends of the valve core socket sleeve, wherein the valve central spindle is capable of sliding along the valve core socket sleeve; the inner cavity of the valve core socket sleeve comprises a front valve cavity connected to a water inlet side and a rear valve cavity connected to the water outlet side; the valve central spindle is provided with a water flow channel which communicates the front valve cavity with the rear valve cavity; one end of the low pressure guaranteeing spring is supported inside the valve core socket sleeve while the other end thereof is supported against the rear cavity part of the valve central spindle; the valve central spindle and the valve core socket sleeve comprise a first valve core socket sleeve and a first valve central spindle, a second valve core socket sleeve and a second valve central spindle respectively in ancillary use; each of the first and second valve central spindles comprises a valve opening part, a front cavity part and a rear cavity part; the front cavity parts and the rear cavity parts of both the first and second valve central spindles are provided with sealing rings; the inner diameter of the first valve core socket sleeve in the rear valve cavity is greater than that of the second valve core socket sleeve in the rear valve cavity, and the outer diameters of the first and second valve core socket sleeves are same. The widely popularized type safety reducing valve can be satisfied with different requirements on water pressure.
Description
Technical field
The present invention relates to the valve type technical field, more particularly, relate to a kind of universal safety reduction valve that is common to the Drinking Water safety water supply devices such as household water filter, appliance water, piped direct-drinking water, high residential building district.
Background technique
Along with the industrialized high speed development of urbanization, water resource pollution may continue to worsen, both urban and rural residents's health care consciousness improves constantly, the healthy water demand is grown with each passing day, household water filter has become the Chaoyang product of man and nature coordinated development, water purifier with its environmental protection sanitary economy easily characteristics more and more be subject to people favor, popularization and application is inexorable trends of current social development in huge numbers of families.Along with popularizing of household water filter, reduction valve has entered civil area, and it plays an important role at protection domestic water equipment and in improving domestic water safety, and application prospect widely will be arranged.
China resident living potable water hydraulic pressure height difference is larger, according to market survey: the 50% hydraulic pressure>0.25Mpa of family, the 40% hydraulic pressure<0.25Mpa of family, 10% family's hydraulic pressure<0.1 Mpa.Its hydraulic pressure difference situation: be because of different cities or different with the different floors in ,Huo Tong location, different location, city, formed huge numbers of families' otherness distribution situation of wide scope, give the broad-spectrum adaptability of civilian adjustment-free reduction valve, ease of use is brought a new difficult problem.
Summary of the invention
Technical problem to be solved by this invention: for the deficiency of prior art, a kind of universal safety reduction valve that can be general in different range hydraulic pressures is provided, it designs with the hydraulic pressure difference of series product for domestic different regions, the product highly versatile, the structural design novelty, series product need not other independent die sinking, low cost of manufacture, be widely used in simple in structure, valve gap can be general, avoid adjusting, can be matched with the reduction valve used on water purifier, the comprehensive Technical Economy that promotes Chuan Tong Minus pressure valve, structural reliability, universal adaptability, ease of use.
Technological scheme of the present invention is: a kind of reduction valve with general valve gap, comprise poppet shaft, the spool cover for seat, protect low pressing spring and be arranged on respectively the valve gap at described spool cover for seat two ends, described poppet shaft can be slided along the spool cover for seat, the inner chamber of spool cover for seat comprises the front valve pocket be connected with influent side, the rear valve pocket be connected with water outlet side, on described poppet shaft, establish the flow channel that is communicated with front valve pocket and rear valve pocket, described guarantor is low, and pressing spring one end is resisted against in the spool cover for seat, one end is resisted against in the back cavity section of poppet shaft, described poppet shaft and spool cover for seat comprise matching used the first spool cover for seat and the first poppet shaft, second valve core print seat cover and second valve mandrel, described first, the second valve mandrel comprises valve port section, ante-chamber section, back cavity section, first, in the ante-chamber section of second valve mandrel and back cavity section, seal ring is set all, the internal diameter that described the first valve core case is enclosed within rear valve pocket is greater than the internal diameter that the second valve core print seat is enclosed within rear valve pocket, and both external diameters equate.
Described the first spool cover for seat is that from the second difference in the spool cover for seat internal diameter of valve pocket is different thereafter, and described the first poppet shaft is that from the difference of second valve mandrel the external diameter of back cavity section is different.
The middle part of described spool cover for seat be provided with in annular every, described seal ring be arranged on poppet shaft along separated axis in annular in the mobile zone of sealing, in described spool cover for seat and annular, be divided into overall structure.
The decompression water channel that described flow channel is included on the poppet shaft sidewall and offers radial hole, offers on the central axis of poppet shaft, described decompression water channel one end are in the back pressure face upper shed of poppet shaft, and the other end is communicated with described radial hole.
Described valve gap comprises lid and outer end, by described outer end, formed the exocoel of valve gap, described lid inwall is provided with internal thread, its center is provided with through hole, the both sides of described spool cover for seat are respectively arranged with the outside thread suitable with the internal thread of described lid, and the outer end of described valve gap is cylindrical shell cylindraceous roughly, and described cylindrical shell is provided with outside thread or internal thread, in the inner chamber of valve gap, along the first protruding ring of the inside cavity direction extension of the through hole of described lid.
The pressurize edge of a knife that described the first protruding ring is the tubulose tooth shape.
The inwall of described cylindrical shell is provided with internal thread, in the exocoel by the formed valve gap of described cylindrical shell, extends the second protruding ring along the outside cavity direction of the through hole of described lid.
Described poppet shaft front end is provided with the plane plug, and described plane plug can be resisted against on the first protruding ring.
Compared with prior art, the present invention has the following advantages.
1) the present invention extensively adapts to the universal safety reduction valve of different range hydraulic pressures, and this universal safety reduction valve has L-type, two kinds of serial products of H type, and L-type is applicable to hydraulic pressure<0.25Mpa family, and the H type is applicable to hydraulic pressure>0.25Mpa family; L-type is the base type in two kinds of serial products of universal safety reduction valve, when need are used H type product., need only on the basis of L-type, change the L-type piston, change H type piston, add a H type lining just again.Universal adjustment-free L, two kinds of serial safety reduction valve of H, critical piece is general altogether, modification is changed conveniently, novelty simple in structure, technical Ji is good, universal scalable, be matched with household water filter, can be applicable to the usage requirement under the different hydraulic conditions of (meeting) huge numbers of families, comprehensive Technical Economy and the ease of use that promotes Chuan Tong Minus pressure valve.
2) mat piston of the present invention two ends sectional area ratio produces pressure reduction, and (0.1Mpa-1.0Mpa) pressure reduction is functional strain to omnidistance Inner, and the user who extensively is adapted to different hydraulic pressure uses.Because family suiting measures to different conditions is expanded HL two series product: the suitable high hydraulic pressure of H type district use, the suitable low hydraulic pressure of L-type district use, two product structure is identical, outward appearance is identical, use same mold injection molding, not only uses generalization, but produces also generalization.
3) the circular blade valve port on valve gap is pressed into Microsoft's plane plug, and this structure encapsulation is strong, valve closing is tight, can not only subtract dynamic pressure, more can protect static pressure 24h.The reduction valve security protection " water hammer " that operates steadily, be applicable to (school, enterprise) middle-size and small-size water purifier at home.
The accompanying drawing explanation
Fig. 1 is the cut-away view of universal safety reduction valve of the present invention.
Fig. 2 is the part explosive view of universal safety reduction valve of the present invention.
Fig. 3 is the poppet shaft structural representation of universal safety reduction valve of the present invention.
Fig. 4 is another structural representation of poppet shaft of universal safety reduction valve of the present invention.
Fig. 5 is the valve gap assembling schematic diagram of universal safety reduction valve of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1-3, the present invention is a kind of universal adjustment-free L, two kinds of serial safety reduction valve of H, wherein, general part: front cover, rear end cover, the low pressing spring of guarantor, piston valve core sleeve, Sealing, change part: H type piston valve mandrel, H type lining, the L formed by above-mentioned member, two kinds of serial safety decompression reduction valve of H, it protects low pressing spring, the piston valve mandrel is arranged in piston valve core sleeve, and can slide along axle sleeve, it is identical that the outside, described piston valve core sleeve two ends is provided with specification, in two groups of separated sinistral external threads, can be arbitrarily and described front cover, rear end cover, the inside thread coupling connects, the outer end of described end cap is that reduction valve advances, water outlet mouthpiece section, the linkage structure pattern of water inlet and outlet joining part has: flexible pipe was push-in in 2 minutes, 1/2 two kinds of thread types, there are internal thread pattern and two kinds of structures of outside thread pattern in threaded coupling section, the reduction valve integral body of four kinds of screw thread compound modes of convertible formation.In general end cap center cavity, be provided with the current through hole, the first protruding ring that the inside cavity direction of the current through hole of described lid extends.
The present invention can save the expense of a set of H piston valve core sleeve, simultaneously more general parts, has more high technology content.
Reduction valve with general valve gap comprises poppet shaft, spool cover for seat, Sealing, the low pressing spring 4 of guarantor and is arranged on respectively the valve gap (2 at described spool cover for seat two ends, 6), poppet shaft and spool cover for seat comprise matching used the first spool cover for seat 3 and the first poppet shaft 5, second valve core print seat cover 15 and second valve mandrel 7, two poppet shaft form by valve port section 11, ante-chamber section 12, back cavity section 14, in the ante-chamber section of two poppet shaft and back cavity section, seal ring 13 is set all, their difference only is the external diameter difference of back cavity section 14.Wherein, the outer diameter A of the first poppet shaft 5 is less than the external diameter C of second valve mandrel 7, and correspondingly, described the first spool cover for seat 3 is greater than second valve core print seat cover 15 inside diameter D at rear valve pocket at the internal diameter B of rear valve pocket, and the external diameter of two spool cover for seat equates.Due to the external diameter difference of poppet shaft, thereby changed the ratio of valve port end surface upstream face area and back cavity section back side area, thereby adjusted the pressure relief value of valve, made series product adjust the Applicable scope of hydraulic pressure wider.
As shown in the figure, the first poppet shaft 5 is arranged in spool cover for seat 3 and can slides along the spool cover for seat, and the first spool cover for seat 3 can supporting the first poppet shaft 5, protects low pressing spring 4 one ends and is resisted against in the first spool cover for seat 3, and an end is resisted against in the back cavity section of the first poppet shaft.
Valve gap (2,6) comprise lid and outer end, by described lid, formed the inner chamber of valve gap, by described outer end, formed the exocoel of valve gap, described lid inwall is provided with internal thread, its center is provided with through hole, the both sides of described spool cover for seat are respectively arranged with the outside thread suitable with the internal thread of described lid, the outer end of described valve gap is cylindrical shell cylindraceous roughly, described cylindrical shell is provided with outside thread or internal thread, in the inner chamber of valve gap, along the first protruding ring 9 of the inside cavity direction extension of the through hole of described lid.
The first spool cover for seat 3 is with externally threaded cylinder, outside thread connects the valve gap at two ends, by valve gap and the first spool cover for seat, form a complete reduction valve cavity, the first poppet shaft can be in the interior slippage of the first spool cover for seat 3, in the first spool cover for seat 3, be provided with in annular every 8, move along the interior toroidal surface axial seal every 8 in annular at the middle part of the first poppet shaft, the rear portion of the first poppet shaft is mobile along the rear inside wall sealing of the first spool cover for seat, thereby the reduction valve cavity is divided into to front valve pocket 21, exhaust cavity 22 and rear valve pocket 23, the sidewall of exhaust cavity is provided with vent, vent communicates with atmosphere.On poppet shaft, establish the flow channel 17 that is communicated with front valve pocket and rear valve pocket, decompression water channel 17 1 ends, in the back pressure face upper shed of poppet shaft, communicate with rear valve pocket, and the other end is communicated with radial hole 16, and radial hole 16 is offered on the poppet shaft sidewall.Sealing makes front valve pocket 21, exhaust cavity 22 and rear valve pocket 23 be mutually sealing, thus make current in front valve pocket must be after decompression water channel 17 just can enter 12 li of valve pockets.Soft plane plug is set in the valve port section of the first poppet shaft, and the plane plug is bonding or by other modes, be fixed in the front end of poppet shaft with Trees fat, and the first protruding ring 9 is pressurize edges of a knife of an annular, and it and plane plug form the servo opening/closing mechanism of controlling current.The first spool cover for seat 3 is threaded with both sides valve gap (2,6), at the interior packing ring 1 that arranges of valve gap 2.
Second valve mandrel and second valve core print seat cover to support the use structure and mode identical with the spool cover for seat with the first poppet shaft.
The front-end table area of plane plug is the upstream face area of reduction valve, the entity area of the ear end face of the first poppet shaft is the back pressure face area of reduction valve, the present invention has adopted the valve mouth structure of the first protruding ring 9 as annular cutting edge, with the plane plug structure of watching action use, mutually optimize the dynamic and static valve clearance between the valve port that coordinates being formed on plane plug and valve gap, can subtract dynamic pressure, also can protect static pressure.When the water purifier water, after the water of valve pocket flow to water purifier, cause rear valve pocket hydraulic pressure to reduce rapidly, now the pressure of reduction valve upstream face is greater than the suffered pressure of valve back pressure surface, poppet shaft valve pocket direction backward moves, plane plug (valve) is opened, and high-pressure water flow flows in the protecgulum of reduction valve, enters in front valve pocket from the gap of valve port and plane plug, current continue poppet shaft valve pocket direction propelling backward, and overcome the slip resistance of poppet shaft, seal ring.When high-pressure water inlet passed through valve clearance (gap), flow velocity increased severely, and the energy of water is by instantaneous consumption, and hydraulic pressure reduces.Then current enter decompression water channel 17 from radial hole 16, and when current entered decompression water channel 17 from aperture, pressure energy was further reduced.When the water tap of the full automatic shutdown (or other watering equipment) of water purifying apparatus was closed, in the rear valve pocket of reduction valve, hydraulic pressure increased, and promotes the poppet shaft throttle down.In the present invention, the gap of valve can realize that high-pressure water flow fully reduces pressure, and current enter radial hole after in front valve pocket, cushioning again, and between the back pressure face of decompression water channel 17 and poppet shaft, forms a pressure stabilizing cavity, realizes that voltage stabilization and current stabilization supplies water.
Referring to Fig. 5, exposing in zone of spool cover for seat outer wall, can be provided with the mistake proofing mark 10 that indicates water (flow) direction, with the correct installation direction of prompting reduction valve.When reduction valve assembles, make the water (flow) direction of mistake proofing mark 10 when using of spool cover for seat outer wall can bring into play good decompression.The valve gap of reduction valve also can adopt valve gap 2 or valve gap 6 simultaneously, be that valve gap can be according to the concrete structure of external piece and general mutually, the outer end cylindrical shell of valve gap 6 is provided with outside thread, in the inner chamber of valve gap, along the first protruding ring of the inside cavity direction extension of the through hole on described valve gap.Valve gap 6 can be placed in the influent side of first, second spool cover for seat, also can be placed in its water outlet side, is mainly to determine according to the characteristics of the connection fittings of reduction valve both sides.
Above disclosed be only specific embodiments of the invention, do not form limiting the scope of the invention, all according to technical solution of the present invention do without through the change of creative work, within all should dropping on protection scope of the present invention invention.
Claims (8)
1. reduction valve with general valve gap, comprise poppet shaft, the spool cover for seat, protect low pressing spring and be arranged on respectively the valve gap at described spool cover for seat two ends, described poppet shaft can be slided along the spool cover for seat, the inner chamber of spool cover for seat comprises the front valve pocket be connected with influent side, the rear valve pocket be connected with water outlet side, on described poppet shaft, establish the flow channel that is communicated with front valve pocket and rear valve pocket, described guarantor is low, and pressing spring one end is resisted against in the spool cover for seat, one end is resisted against in the back cavity section of poppet shaft, it is characterized in that: described poppet shaft and spool cover for seat comprise matching used the first spool cover for seat and the first poppet shaft, second valve core print seat cover and second valve mandrel, described first, the second valve mandrel comprises valve port section, ante-chamber section, back cavity section, first, in the ante-chamber section of second valve mandrel and back cavity section, seal ring is set all, the internal diameter that described the first valve core case is enclosed within rear valve pocket is greater than the internal diameter that the second valve core print seat is enclosed within rear valve pocket, and both external diameters equate.
2. reduction valve according to claim 1, it is characterized in that: described the first spool cover for seat is that from the second difference in the spool cover for seat internal diameter of valve pocket is different thereafter, described the first poppet shaft is that from the difference of second valve mandrel the external diameter of back cavity section is different.
3. reduction valve according to claim 2 is characterized in that: the middle part of described spool cover for seat be provided with in annular every, described seal ring be arranged on poppet shaft along separated axis in annular in the mobile zone of sealing, in described spool cover for seat and annular, be divided into overall structure.
4. reduction valve according to claim 3, it is characterized in that: the decompression water channel that described flow channel is included on the poppet shaft sidewall and offers radial hole, offers on the central axis of poppet shaft, described decompression water channel one end is in the back pressure face upper shed of poppet shaft, and the other end is communicated with described radial hole.
5. reduction valve according to claim 4, it is characterized in that: described valve gap comprises lid and outer end, by described outer end, formed the exocoel of valve gap, described lid inwall is provided with internal thread, its center is provided with through hole, the both sides of described spool cover for seat are respectively arranged with the outside thread suitable with the internal thread of described lid, the outer end of described valve gap is cylindrical shell cylindraceous roughly, described cylindrical shell is provided with outside thread or internal thread, in the inner chamber of valve gap, along the first protruding ring of the inside cavity direction extension of the through hole of described lid.
6. reduction valve according to claim 5, is characterized in that: the pressurize edge of a knife that described the first protruding ring is the tubulose tooth shape.
7. reduction valve according to claim 6, it is characterized in that: the inwall of described cylindrical shell is provided with internal thread, in the exocoel by the formed valve gap of described cylindrical shell, extends the second protruding ring along the outside cavity direction of the through hole of described lid.
8. reduction valve according to claim 7, it is characterized in that: described poppet shaft front end is provided with the plane plug, and described plane plug can be resisted against on the first protruding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355289.4A CN103411009B (en) | 2013-08-15 | 2013-08-15 | Universal safety reduction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355289.4A CN103411009B (en) | 2013-08-15 | 2013-08-15 | Universal safety reduction valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103411009A true CN103411009A (en) | 2013-11-27 |
| CN103411009B CN103411009B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310355289.4A Active CN103411009B (en) | 2013-08-15 | 2013-08-15 | Universal safety reduction valve |
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| Country | Link |
|---|---|
| CN (1) | CN103411009B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883747A (en) * | 2014-04-16 | 2014-06-25 | 金祖贻 | Pressure reducing valve special for household water purifier |
| CN105508678A (en) * | 2016-02-18 | 2016-04-20 | 杭州富阳雷讯科技咨询服务有限公司 | Novel pressure reducing valve applied to water purifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5082239A (en) * | 1988-06-20 | 1992-01-21 | Laminar Fluid Controls, Inc. | Radial flow valve assembly |
| JPH10122426A (en) * | 1996-10-18 | 1998-05-15 | Sanwa Seiki Co Ltd | Pressure reducing valve |
| CN202834256U (en) * | 2012-08-30 | 2013-03-27 | 杭州春江阀门有限公司 | Water hammer resistant constant-pressure pressure reducing valve |
| CN202884153U (en) * | 2012-11-14 | 2013-04-17 | 金祖贻 | Pressure reducing valve |
| CN203431265U (en) * | 2013-08-15 | 2014-02-12 | 深圳市家乐士净水科技有限公司 | Widely used safety reducing valve |
-
2013
- 2013-08-15 CN CN201310355289.4A patent/CN103411009B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5082239A (en) * | 1988-06-20 | 1992-01-21 | Laminar Fluid Controls, Inc. | Radial flow valve assembly |
| JPH10122426A (en) * | 1996-10-18 | 1998-05-15 | Sanwa Seiki Co Ltd | Pressure reducing valve |
| CN202834256U (en) * | 2012-08-30 | 2013-03-27 | 杭州春江阀门有限公司 | Water hammer resistant constant-pressure pressure reducing valve |
| CN202884153U (en) * | 2012-11-14 | 2013-04-17 | 金祖贻 | Pressure reducing valve |
| CN203431265U (en) * | 2013-08-15 | 2014-02-12 | 深圳市家乐士净水科技有限公司 | Widely used safety reducing valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883747A (en) * | 2014-04-16 | 2014-06-25 | 金祖贻 | Pressure reducing valve special for household water purifier |
| CN103883747B (en) * | 2014-04-16 | 2016-04-06 | 金祖贻 | Household water filter special pressure reducing valve |
| CN105508678A (en) * | 2016-02-18 | 2016-04-20 | 杭州富阳雷讯科技咨询服务有限公司 | Novel pressure reducing valve applied to water purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103411009B (en) | 2016-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIN ZUYI Effective date: 20131216 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20131216 Address after: 518100, Guangdong District, Shenzhen City, Longgang Province Ping Street Street community rich mentality No. 303 18-1 Applicant after: Shenzhen Calux Purification Technology Co., Ltd. Applicant after: Jin Zuyi Address before: 518100, Guangdong District, Shenzhen City, Longgang Province Ping Street Street community rich mentality No. 303 18-1 Applicant before: Shenzhen Calux Purification Technology Co., Ltd. |
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| CB02 | Change of applicant information |
Address after: 528000 Guangdong province Foshan city Ronggui District Shun DS Street Rongqi Avenue sind Shangcheng 8 7D Applicant after: Jin Zuyi Applicant after: Shenzhen Calux Purification Technology Co., Ltd. Address before: 518100, Guangdong District, Shenzhen City, Longgang Province Ping Street Street community rich mentality No. 303 18-1 Applicant before: Shenzhen Calux Purification Technology Co., Ltd. Applicant before: Jin Zuyi |
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