CN102141169A - Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve - Google Patents
Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve Download PDFInfo
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- CN102141169A CN102141169A CN2011100331301A CN201110033130A CN102141169A CN 102141169 A CN102141169 A CN 102141169A CN 2011100331301 A CN2011100331301 A CN 2011100331301A CN 201110033130 A CN201110033130 A CN 201110033130A CN 102141169 A CN102141169 A CN 102141169A
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Abstract
The invention provides a heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve, wherein a film type structure is adopted for a balanced unit, a linked balanced assembly regulated by comparing the pressure at two sides of the film, valve apertures under different pressures are changed automatically, so that the balance of flow rate is realized; a flow rate regulating unit is positioned at a fluid inlet of a valve body; a regulating structure which is in a multi-revolving regulating mode is integrated with the valve body, and corresponding hand wheel components or electric actuator assemblies are coordinated to be installed to reach the aim of manual regulation or electric regulation. The dynamic balanced valve provided by the invention has the advantages of small resistance coefficient, reasonable structure, wide range of working pressure differences and high control accuracy, is convenient to adjust, can be controlled in real time through the flow rate of the valve, is mainly used for building warm air conditioning system or an industrial or civil fluid pipe network transmission and distribution system to control the fluid flow rate which flows through devices or users, so that the aims that pipe network dynamic flow rate balance is regulated in real time and energy can be saved are achieved.
Description
Technical field
The present invention relates to a kind of valve, particularly relate to a kind of heavy caliber adjustable valve bevel-type valve cephacoria and press the attitude equilibrium valve.
Background technique
In the different journey pipe network of fluid transmission ﹠ distribution flow-changing water system, the resistance of often only considering index circuit during actual design calculates, when the actuating pressure of system's least favorable node was guaranteed, the actuating pressure of other node may cause the hydraulic misadjustment of system much larger than design load.Also can cause moving flow off-design value and the type selecting of water pump is excessive or improper, the result of pipe network water force unbalance causes the increase of a large amount of wastes of the energy, running noises and the shortening of service life of equipment.In order to alleviate or to eliminate this pipe network energy imbalance, need constantly debug system, not only trouble expends the plenty of time, the more important thing is that this adjusting lags behind, and there is energy imbalance at any time in system during consequently actual the use.The main dependence on import of present domestic dynamic balance motor-driven modulating valve, price is very high, and part manufacturer production Counterfeit Item is also arranged, and its product operating pressure differential scope is little, and flow control accuracy is low, and has serious vibrating noise, can't satisfy the needs of actual engineering.From product structure, these products all are simply flow balance valve and modulating valve to be combined, and the resistance coefficient of valve is very big, and structure is also very big; It is bigger to turn-off required power value, is unfavorable for the engineering practical application; Can not really reach technological deficiencies such as zero shutoff.
Summary of the invention
The present invention finishes in order to solve deficiency of the prior art, it is little to the purpose of this invention is to provide a kind of resistance coefficient, rational in infrastructure, operating pressure differential wide ranges, control accuracy height, heavy caliber adjustable valve bevel-type valve cephacoria easy to adjust, that can control in real time by the flow of valve press the attitude equilibrium valve, be mainly used on building heating ventilation air-conditioning system and industry or the civilian fluid pipe network distributing system, with the fluid flow of control flows, reach the purpose of real-time regulated pipe network dynamic flow balance, energy saving through equipment and user.
Technological scheme of the present invention is:
Heavy caliber adjustable valve bevel-type valve cephacoria presses the attitude equilibrium valve, it is characterized in that:
Comprise loam cake, lower cover, at the valve body that tightens together between loam cake and the lower cover and with loam cake and lower cover and be positioned at valve inner and with the flow regulating unit of valve body concentric be positioned at flow equilibrium unit below the flow regulating unit;
The middle part of described valve body is anchor ring fluid passage, slope wide at the top and narrow at the bottom, body cavity is divided into top become a mandarin chamber and bottom go out to flow the chamber;
Described flow regulating unit passes the loam cake center from top to bottom, and is positioned at the described chamber that becomes a mandarin; Described flow regulating unit comprises from top to bottom valve shaft, axle sleeve, gland, the valve cone of centres; Described axle sleeve and loam cake fixed seal connection; Described valve shaft passes axle sleeve from top to bottom, and described gland is coated at the valve shaft bottom, is connected with the lower thread of valve shaft by trapezoidal thread, and described valve cone is fixedlyed connected with gland; Described gland rotates by valve shaft, move up and down in axle sleeve under the driving of screw thread, and the drive valve cone moves up and down together;
Described flow equilibrium unit is positioned at and describedly goes out to flow the chamber, and be positioned at anchor ring fluid passage, slope under, lower cover and valve body are fixed in out in the stream chamber by screw, the lower cover pressure guide hole that covers communicates with valve body pressure guide hole on the valve body down;
Described flow equilibrium unit comprises the coaxial balanced plug in center, balance seat, spring bracket, spring, little axle, spring seat, briquetting, diaphragm, block and second nut from top to bottom;
Little axle is positioned at the center of flow equilibrium unit, and the running shaft of little axle is coaxial with the valve shaft center, and balanced plug is connected from the roof anchorage of top with little axle;
The balance cover for seat is located at the outside of balanced plug, has groove on balance seat top and the inwall that the outer wall of balanced plug contacts, and an O type circle is embedded in this groove, guarantees the sealing between balance seat and the balanced plug;
Have groove on the bottom of balance seat and the outer wall that the inwall of valve body contacts, the 2nd O type circle is embedded in this groove, guarantees to seal between balance seat and the valve body, and the balance seat is pressed abd fixed in the valve body chamber from the below by lower cover;
Connect the sheathed spring of little axle outer surface, spring seat with to be connected little axle fixedly connected, makes balanced plug, little of connection and spring seat move together from the below then;
Spring bracket is arranged in the inner chamber of balance seat, and its vertical outer wall is connected airtight with the vertical internal face of balanced plug from the top of spring, and spring is embedded between spring bracket and the spring seat;
Lower cover and valve body tighten together by screw, and compress the outer periphery of diaphragm, the above and below of diaphragm is cavity, the top is a flow equilibrium assembly inner chamber, the below is entry pilot chamber, and the middle part of diaphragm is compressed from upper and lower respectively by briquetting and block, and briquetting passes the center hole of diaphragm and the center hole of block downwards successively, compress from the below by second nut, thereby diaphragm is pressed in the valve body chamber.
Further, of the present inventionly can also be:
Axle sleeve is fixedlyed connected with spring washer by socket head screw with loam cake.
Valve cone firmly is connected by socket head screw, spring washer with gland.
Balanced plug is threaded fixing with the top that is connected little axle.
The point of attachment of lower cover pressure guide hole and valve body pressure guide hole is equipped with the reducing plug and the sealing of O type circle is installed.
The valve body of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention uses iron casting to form, heavy caliber satisfies the service condition of big flow, balancing unit adopts diaphragm type structure, regulate the balanced component of interlock by the pressure ratio of diaphragm both sides, automatically change the valve opening under the different pressures, realize the balance of flow; Flow regulating unit is positioned at the fluid input place of valve body, adopts the regulation structure and the valve body of many revolution regulative modes to form a whole, and can cooperate corresponding handwheel assembly of installation or electric actuator assembly to reach the purpose of manual tune or motorized adjustment.
Description of drawings
Fig. 1 is the stereoscopic structural representation of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 2 is the plan view of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 3 is the left view of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 4 is the right elevation of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 5 is the plan view of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 6 is the worm's eye view of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
Fig. 7 is the sectional structure schematic representation of heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention.
The figure number explanation
1 ... spring washer 2 ... soket head cap screw 3 ... soket head cap screw 4 ... gland 5 ... valve shaft 6 ... axle sleeve 7 ... spring washer 8 ... loam cake 9 ... valve cone 10 ... valve body 11 ... reducing plug 12 ... plug 13 ... lower cover 14 ... balance base 15 ... diaphragm 16 ... spring base 17 ... axle 18 ... spring 19 ... spring support 20 ... soket head cap screw 21 ... spring washer 22 ... balanced plug 23 ... fluid passage 24 ... chamber 25 becomes a mandarin ... go out to flow chamber 26 ... lower cover pressure guide hole 27 ... valve body pressure guide hole 28 ... briquetting 29 ... block 30 ... the second nut 31 ... the one O type circle 32 ... the 2nd O type circle 33 ... flow equilibrium unit inner chamber 34 ... entry pilot chamber
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Heavy caliber adjustable valve tapered valve cephacoria pressure type dynamic balance valve of the present invention shown in Fig. 1-7 comprises loam cake 8, lower cover 13, at the valve body 10 that tightens together between loam cake 8 and the lower cover 13 and with loam cake 8 and lower cover 13 and be positioned at valve body 10 inside and with the flow regulating unit of valve body 10 concentrics be positioned at flow equilibrium unit below the flow regulating unit.
The middle part of valve body is anchor ring fluid passage, slope 23 wide at the top and narrow at the bottom, body cavity is divided into top become a mandarin chamber 24 and bottom go out to flow chamber 25;
Flow regulating unit passes loam cake 8 centers from top to bottom, and is positioned at the chamber 24 that becomes a mandarin; Flow regulating unit comprises from top to bottom valve shaft 5, axle sleeve 6, gland 4, the valve cone 9 of centres; Axle sleeve 6 and loam cake 8 fixed seal connections; Valve shaft 5 passes axle sleeve 6 from top to bottom, gland 4 is coated at valve shaft 5 bottoms, be connected by the lower thread of trapezoidal thread with valve shaft 5, and there is the limit stoper (not shown) to guarantee gland to be moved up and down along with valve shaft rotates by the screw thread transmission, gland 4 can not be followed valve shaft and be rotated together in axle sleeve 6, can only be by the rotation of valve shaft 5, under the driving of screw thread, gland 4 moves up and down in axle sleeve 6; Valve cone 9 is fixedlyed connected with gland 4; Gland 4 is moving up and down in axle sleeve 6 under the driving of screw thread by the drive of valve shaft 5, and drive valve cone 9 moves up and down together.
In this example, axle sleeve 6 is fixedlyed connected with loam cake 8 with spring washer 7 by socket head screw 3.Can also further install O type circle on the basis of spring washer additional does not reveal to guarantee sealing.
In this example, valve cone 9 firmly is connected with gland 4 by socket head screw 2 and spring washer 1.
Flow regulating unit of the present invention is positioned at the fluid input place of valve body, adopts the regulation structure and the valve body of many revolution regulative modes to form a whole.By valve shaft 5 rotations, screw drive gland 4 presses down during work, and it is descending to drive valve cone 9, constantly approaching with valve body 10 inner conical surface shape fluid passages 23, and final the realization turn-offed.Because valve cone 9 curved design combine with the circular cone of the fluid passage 23 of valve body 10, can realize the linearly adjust of flow curve.
The flow equilibrium unit is positioned at and describedly goes out to flow chamber 25, and be positioned at anchor ring fluid passage, slope 23 under, lower cover 13 is fixed in out in the stream chamber by screw with valve body 10, the lower cover pressure guide hole 26 that covers communicates with valve body pressure guide hole 27 on the valve body down;
The flow equilibrium unit comprises the coaxial balanced plug in center 22, balance seat 14, spring bracket 19, spring 18, little axle 17, spring seat 16, briquetting 28, diaphragm 15, block 29 and second nut 30 from top to bottom;
Have groove on the bottom of balance seat 14 and the outer wall that the inwall of valve body 10 contacts, the 2nd O type circle 32 is embedded in this groove, guarantees sealing between balance seat 14 and the valve body 10, balance seat 14 by lower cover and valve body 10 be pressed abd fixed on valve body go out to flow in the chamber 25.
Assurance is set can leak to flow equilibrium unit inner chamber 33 via the fluids that the fluid passage enters out in the stream chamber 25 of the one O type circle 31 and the 2nd O type circle 32 from the chamber 24 that becomes a mandarin.
In this example, balanced plug 22 is threaded fixing with the top of little axle 17, and spring seat is to be welded to connect fixingly with being connected little, and balanced plug 22, little 17 and spring seat 16 are moved together.
In this example, the point of attachment of lower cover pressure guide hole and valve body pressure guide hole is equipped with the reducing plug and the sealing of O type circle is installed.
Flow equilibrium of the present invention unit adopts diaphragm type structure, regulates the balanced component that links by the pressure ratio of diaphragm both sides, changes the valve opening under the different pressures automatically, realizes the balance of flow.
Unique integrated design combines valve dynamic flow balance and Flow-rate adjustment together, presses down valve cone by many revolutions and turn-offs structure realization Flow-rate adjustment; Optimal design valve body and automatic flow equalizing feature structure reduce flow resistance and noise, further realize energy-saving environmental-protection function; Can cooperate electric actuator and manually handwheel use, be fit to various different Environmental Conditions, easy to operate, pattern is attractive in appearance.The present invention has that negotiability is big, precise control is convenient, the operating pressure differential scope is wide, assembling is easy to maintenance, the life-span long, the characteristics of low cost of manufacture.Can be applicable to industries such as central air conditioning water system, urban pipe network water system, oil, chemical industry, fundamentally solve client's pipe network system water conservancy flow detuning phenomena, satisfy the requirement of flow control.
Described flow regulating unit rotates by valve shaft during work, and the screw drive gland presses down, and it is descending to drive valve cone, constantly approaching with anchor ring fluid passage, valve body inner conical slope, and final the realization turn-offed.Because the valve cone curved design combines with anchor ring fluid passage, valve body slope, can realize the linearly adjust of flow curve.
In this example, valve body can use iron casting to form, heavy caliber satisfies the service condition of big flow, the spline design is adopted on valve shaft top, after associated component is installed, can cooperate the purpose that corresponding handwheel assembly or electric actuator assembly reach manual tune or motorized adjustment is installed, to satisfy the demand under the different condition.
The cone cavity design of body cavity uniqueness, make the fluid passage smooth and easy rationally, can reduce the local resistance of valve in system, more energy-conservation, in addition because the reasonably optimizing of fluid passage, make equilibrium function under the situation of relative Small diaphragm-piece and little pretightening force, be easier to realize, can effectively reduce vibration and noise, energy-saving and environmental protection more.
In the working procedure, the variation of different journey pipe network variable flow system pressure is to exist constantly, product of the present invention is by the effect of flow regulating unit, when system pressure raises, effect by valve body pressure guide hole 27 and lower cover pressure guide hole 26, the bottom pressure of the diaphragm 15 that links to each other with valve body 10 water intakes raises and breaks original state of equilibrium, diaphragm 15 drives briquetting 28 and moves upward, briquetting 28 promotes spring seat 16 actions, cause spring seat 16, little axle 17, balanced plug 22 moves upward together, turns down water outlet in the valve pocket, reduces the body cavity water-outlet area, and the pressure of increase body cavity, downward baric flow amount balancing unit, spring seat 16 is briquetting 28 then, drives diaphragm 15 and moves downward, until realizing new state of equilibrium, flow is remained unchanged.Vice versa, thereby reached the purpose of flow automatic balance, makes constant flow in the scope of demarcating, and eliminated the influence of system pressure fluctuation to flow.
Difference and major advantage with like product:
1, this dynamic balance valve is designed to integrative-structure with regulatory function and dynamic flow equilibrium function dexterously by optimizing the valve mechanism design, makes valve opening one timing not change flow by valve because of the variation of system pressure;
2, further optimize equilibrium function and service behaviour by optimal design and experimental analysis, resistance coefficient is very little, compact structure has wideer operating pressure differential scope and more accurate control accuracy, flow accuracy nominal value ± 5% in;
3, change flow regulating part and adopt many rotary types valve cone to regulate, this structure moment of torsion is little, and reliable in action can realize the trace adjusting, can really accomplish the zero leakage under the off state.Help energy-conserving and environment-protective more.
Above-mentionedly only the specific embodiment among the present invention is illustrated, but can not be as protection scope of the present invention, every equivalence of having done according to the design spirit among the present invention changes or modifies, and all should think to fall into protection scope of the present invention.
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Claims (5)
1. heavy caliber adjustable valve bevel-type valve cephacoria presses the attitude equilibrium valve, it is characterized in that:
Comprise loam cake, lower cover, at the valve body that tightens together between loam cake and the lower cover and with loam cake and lower cover and be positioned at valve inner and with the flow regulating unit of valve body concentric be positioned at flow equilibrium unit below the flow regulating unit;
The middle part of described valve body is anchor ring fluid passage, slope wide at the top and narrow at the bottom, body cavity is divided into top become a mandarin chamber and bottom go out to flow the chamber;
Described flow regulating unit passes the loam cake center from top to bottom, and is positioned at the described chamber that becomes a mandarin; Described flow regulating unit comprises from top to bottom valve shaft, axle sleeve, gland, the valve cone of centres; Described axle sleeve and loam cake fixed seal connection; Described valve shaft passes axle sleeve from top to bottom, and described gland is coated at the valve shaft bottom, is connected with the lower thread of valve shaft by trapezoidal thread, and described valve cone is fixedlyed connected with gland; Described gland rotates by valve shaft, move up and down in axle sleeve under the driving of screw thread, and the drive valve cone moves up and down together;
Described flow equilibrium unit is positioned at and describedly goes out to flow the chamber, and be positioned at anchor ring fluid passage, slope under, lower cover and valve body are fixed in out in the stream chamber by screw, the lower cover pressure guide hole that covers communicates with valve body pressure guide hole on the valve body down;
Described flow equilibrium unit comprises the coaxial balanced plug in center, balance seat, spring bracket, spring, little axle, spring seat, briquetting, diaphragm, block and second nut from top to bottom;
Little axle is positioned at the center of flow equilibrium unit, and the running shaft of little axle is coaxial with the valve shaft center, and balanced plug is connected from the roof anchorage of top with little axle;
The balance cover for seat is located at the outside of balanced plug, has groove on balance seat top and the inwall that the outer wall of balanced plug contacts, and an O type circle is embedded in this groove, guarantees the sealing between balance seat and the balanced plug;
Have groove on the bottom of balance seat and the outer wall that the inwall of valve body contacts, the 2nd O type circle is embedded in this groove, guarantees to seal between balance seat and the valve body, and the balance seat is pressed abd fixed in the valve body chamber from the below by lower cover;
The sheathed spring of little axle outer surface, spring seat with to be connected little axle fixedly connected, makes balanced plug, little of connection and spring seat move together from the below then;
Spring bracket is arranged in the inner chamber of balance seat, and its vertical outer wall is connected airtight with the vertical internal face of balanced plug from the top of spring, and spring is embedded between spring bracket and the spring seat;
Lower cover and valve body tighten together by screw, and compress the outer periphery of diaphragm, the above and below of diaphragm is cavity, the top is a flow equilibrium assembly inner chamber, the below is entry pilot chamber, and the middle part of diaphragm is compressed from upper and lower respectively by briquetting and block, and briquetting passes the center hole of diaphragm and the center hole of block downwards successively, compress from the below by second nut, thereby diaphragm is pressed in the valve body chamber.
2. heavy caliber adjustable valve bevel-type valve cephacoria according to claim 1 presses the attitude equilibrium valve, and it is characterized in that: axle sleeve is fixedlyed connected with spring washer by socket head screw with loam cake.
3. heavy caliber adjustable valve bevel-type valve cephacoria according to claim 1 presses the attitude equilibrium valve, and it is characterized in that: valve cone firmly is connected by socket head screw, spring washer with gland.
4. heavy caliber adjustable valve bevel-type valve cephacoria according to claim 1 presses the attitude equilibrium valve, it is characterized in that: balanced plug is threaded fixing with the top that is connected little axle.
5. heavy caliber adjustable valve bevel-type valve cephacoria according to claim 1 presses the attitude equilibrium valve, it is characterized in that: the point of attachment of lower cover pressure guide hole and valve body pressure guide hole is equipped with the reducing plug and the sealing of O type circle is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100331301A CN102141169A (en) | 2011-01-31 | 2011-01-31 | Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100331301A CN102141169A (en) | 2011-01-31 | 2011-01-31 | Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve |
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| CN102141169A true CN102141169A (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100331301A Pending CN102141169A (en) | 2011-01-31 | 2011-01-31 | Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444638A (en) * | 2011-12-06 | 2012-05-09 | 铜陵市久泰重型工矿设备有限公司 | Operating valve shell |
| CN105650302A (en) * | 2016-04-01 | 2016-06-08 | 天津特克执行器有限公司 | High-pressure diaphragm valve provided with balance cavities |
| CN109751418A (en) * | 2017-11-03 | 2019-05-14 | 浙江盾安智控科技股份有限公司 | Dynamic equilibrium valve |
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | Dynamic balance regulating valve |
| CN110966423A (en) * | 2018-10-01 | 2020-04-07 | 大陆泰密克微电子有限责任公司 | Pneumatic valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447730Y (en) * | 2000-09-07 | 2001-09-12 | 宣成林 | Totally-enclosed and lockable flow regulating valve |
| CN201401539Y (en) * | 2009-05-12 | 2010-02-10 | 物理农林机械科技(苏州)有限公司 | Valve rod component used in safety relief valve bank |
| CN201582400U (en) * | 2009-12-25 | 2010-09-15 | 欧文托普阀门***(北京)有限公司 | Dynamic equilibrium electric regulation integrated valve |
| CN201944359U (en) * | 2011-01-31 | 2011-08-24 | 欧文托普阀门***(北京)有限公司 | Large-diameter adjustable valve cone film pressure before the valve dynamic balance valve |
-
2011
- 2011-01-31 CN CN2011100331301A patent/CN102141169A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447730Y (en) * | 2000-09-07 | 2001-09-12 | 宣成林 | Totally-enclosed and lockable flow regulating valve |
| CN201401539Y (en) * | 2009-05-12 | 2010-02-10 | 物理农林机械科技(苏州)有限公司 | Valve rod component used in safety relief valve bank |
| CN201582400U (en) * | 2009-12-25 | 2010-09-15 | 欧文托普阀门***(北京)有限公司 | Dynamic equilibrium electric regulation integrated valve |
| CN201944359U (en) * | 2011-01-31 | 2011-08-24 | 欧文托普阀门***(北京)有限公司 | Large-diameter adjustable valve cone film pressure before the valve dynamic balance valve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444638A (en) * | 2011-12-06 | 2012-05-09 | 铜陵市久泰重型工矿设备有限公司 | Operating valve shell |
| CN105650302A (en) * | 2016-04-01 | 2016-06-08 | 天津特克执行器有限公司 | High-pressure diaphragm valve provided with balance cavities |
| CN109751418A (en) * | 2017-11-03 | 2019-05-14 | 浙江盾安智控科技股份有限公司 | Dynamic equilibrium valve |
| CN109751418B (en) * | 2017-11-03 | 2024-06-04 | 浙江迪艾智控科技股份有限公司 | Dynamic balance valve |
| CN110966423A (en) * | 2018-10-01 | 2020-04-07 | 大陆泰密克微电子有限责任公司 | Pneumatic valve |
| CN110966423B (en) * | 2018-10-01 | 2022-05-03 | 大陆泰密克微电子有限责任公司 | Pneumatic valve |
| US11635154B2 (en) | 2018-10-01 | 2023-04-25 | Conti Temic Microelectronic Gmbh | Pneumatic valve |
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | Dynamic balance regulating valve |
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Application publication date: 20110803 |