CN107631043A - A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch - Google Patents

A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch Download PDF

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Publication number
CN107631043A
CN107631043A CN201710913210.3A CN201710913210A CN107631043A CN 107631043 A CN107631043 A CN 107631043A CN 201710913210 A CN201710913210 A CN 201710913210A CN 107631043 A CN107631043 A CN 107631043A
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CN
China
Prior art keywords
valve
angled seat
seat formula
stop valve
piston
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Pending
Application number
CN201710913210.3A
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Chinese (zh)
Inventor
王志军
姜帆
姜一帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Volkan Technology Research & Technology Co Ltd
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Jiangsu Volkan Technology Research & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Volkan Technology Research & Technology Co Ltd filed Critical Jiangsu Volkan Technology Research & Technology Co Ltd
Priority to CN201710913210.3A priority Critical patent/CN107631043A/en
Publication of CN107631043A publication Critical patent/CN107631043A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch, including the valve rod in angled seat formula valve body, insertion valve body, the lower end of valve rod is equipped with valve element, the valve core case coordinated with valve element is provided with valve body, valve element contacts the closing to form stop valve with valve core case, and valve element separates the unlatching to form stop valve with valve core case;And driving stem drives valve core movement, by changing matching relationship between valve element and valve core case to realize drive part that stop valve switches between state is turned on and off, drive part removably connection with angled seat formula valve body.In maintenance process; only need to disassemble drive part from valve body; and and need not by valve body from vulcanization machine equipment pipeline in dismantle; replacing valve and detachable maintaining time are reduced, vulcanization machine equipment entirety downtime is short, and thermal energy consumption reduces; improve production efficiency; human users are simple and efficient, while changing structure design, also reduce the cost of product.

Description

A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch
Technical field
The present invention relates to a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch.
Background technology
It is not easy to repair and dismantles, stop valve because stop valve volume used in existing tire forming vulcanizer is larger Advantage be to be swift in motion, common imported product service life repaired and changed extremely inconvenient up to more than 2 years, caused big The personnel of amount waste, and replacing construction is longer, and vulcanizer downtime is longer, and production efficiency is lower.Simultaneously as tyre setting sulphur The medium that the stop valve of change machine uses is steam and nitrogen, and the pressure of steam is up to 17kg/cm2, temperature up to 200 DEG C of left sides It is right;And current stop valve uses monolithic construction, cause in assembling and dissembling process, stop valve is carried out once as an overall structure Assembly and disassembly, therefore, when changing and repairing stop valve, what Field Force should be swift in motion dismantles the valve in pipeline, also Prevent from being scalded by high temperature;One skilled maintenance personal dismantles a common switching valve and is averaged the used time close to 40 minutes, (stop valve Both ends be attached by flange and vulcanizer pipeline, because by space and volume is big influences, changing needs 40 minutes).
The content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of reasonable in design, be easy to assembly and disassembly supplies high temperature The tire forming vulcanizer angled seat formula stop valve that high steam passes through.
Realize that technical scheme is as follows:
In a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch, including angled seat formula valve body, insertion valve body Valve rod, the lower end of valve rod is equipped with valve element, and the valve core case coordinated with valve element is provided with valve body, and valve element contacts shape with valve core case Into the closing of stop valve, valve element separates the unlatching to form stop valve with valve core case;
And driving stem drives valve core movement, by changing between valve element and valve core case matching relationship to realize stop valve The drive part switched between state is turned on and off, the drive part removably connection with angled seat formula valve body on.
Further, the drive part includes upper end closed, open at its lower end and the internal housing for cavity, and to shell Body lower end is covered so that enclosure interior cavity forms the lid of closing space;
Piston is provided with enclosure interior cavity, enclosure interior space is separated upper chamber and lower chambers by piston;It is described Valve rod upper end is fixedly connected with the piston through lid;
Offer and enter for external fluid in lower chambers to promote the entrance that piston moves to upper chamber direction on lid Mouthful;
It is disposed with upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, is driven Make the elastic component of the downward reseting movement of piston;
The outlet connected with upper chamber is offered in the upper end of housing.
Further, the upper end of the housing forms the chamber resettling that size is less than enclosure interior space;
The upper surface middle part of piston is formed down depressed part;
The elastic component is spring, and the upper end of the elastic component is in chamber resettling and the top surface withstood in chamber resettling, Lower end is in depressed part and contacted with depressed part bottom surface.
Further, the piston outer periphery face forms the annular chamber to cave inward, and piston packing ring is equipped with annular chamber, Formed between the outer peripheral face of piston packing ring and inner walls and contact sealing.
Further, the supporting guide pipe of upper and lower ends insertion is provided with below the lid, the supporting guide pipe Upper end is fixedly connected with lid, and lower end is connected with angled seat formula valve body screw thread, and the lower end of above-mentioned valve rod is stretched into through supporting guide pipe In angled seat formula valve body.
Further, it is provided with the supporting guide pipe and the guide frame being oriented to, the guiding knot is formed to stem movement Structure includes the upper guide sleeve, the middle guide sleeve being enclosed in the middle part of valve rod, the lower guide sleeve for being enclosed on stem lower portion for being enclosed on valve rod top, with And between upper guide sleeve, middle guide sleeve and the filler between middle guide sleeve, lower guide sleeve.
Further, the filler includes four packing rings being layering up and down, and periphery wall and the supporting of packing ring are led Contacted to inside pipe wall, internal perisporium is formed with the outer surface of valve rod and contacted;
The upper table of packing ring swells to form lug boss upwardly, and lower surface forms the notch portion being adapted with lug boss.
Further, the upper packing spring being set on valve rod, lower packing spring are disposed with the supporting guide pipe, on The lower end of packing spring is withstood on guide sleeve, and upper end is withstood on lid, and the upper end of lower packing spring is withstood on filler, lower end top On lower guide sleeve.
Further, the bottom of the supporting guide pipe is provided with seal cover board, and the lower surface of the seal cover board is being propped up Hold after guide pipe is connected in place with angled seat formula valve body, formed and sealed with angled seat formula valve body contact.
Further, it is fixedly installed nut on the supporting guide pipe.
Above-mentioned technical proposal is employed, stop valve is divided into two parts, one is body portion, and one is to drive valve body The drive part being turned on and off is formed, body portion is directly assemblied in vulcanizer pipe-line system, and drive part is then in valve Body portion is assembled using removably, in maintenance process, it is only necessary to disassembles drive part i.e. from valve body Can, and and need not by valve body from vulcanization machine equipment pipeline in dismantle, so as to reduce replacing valve and detachable maintaining time, make Site operation personnel rapidly can disassemble failure valve from vulcanizer pipeline, and rapidly give and change, vulcanization Machine equipment entirety downtime is short, and thermal energy consumption reduces, and improves production efficiency, and human users are simple and efficient, changes structure design While, also reduce product cost.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of stop valve of the present invention;
In figure:1 is angled seat formula valve body, and 2 be valve rod, and 3 be valve element, and 4 be valve core case, and 5 be drive part, and 6 be that steam circulates Passage, 7 be seal support part, and 8 be sealed circular ring, and 9 be guiding pad, and 10 be step surface, and 11 be guide channel, and 12 be housing, 13 It is piston for lid, 14,15 be upper chamber, and 16 be lower chambers, and 17 be inlet port, and 18 be annular notches, and 19 be elastic component, and 20 are Outlet, 21 be chamber resettling, and 22 be depressed part, and 23 be piston packing ring, and 24 be supporting guide pipe, and 25 be upper guide sleeve, 26 It is lower guide sleeve for middle guide sleeve, 27,28 be filler, and 29 be packing ring, and 30 be lug boss, and 31 be notch portion, and 32 be upper filler Spring, 33 be lower packing spring, and 34 be supporting step, and 35 be seal cover board, and 36 be nut, and 37 be the connection mouth of pipe.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair Bright part of the embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill The every other embodiment that personnel are obtained on the premise of without creative work, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch, including angled seat formula valve body 1, The valve rod 2 inserted in valve body, the lower end of valve rod are equipped with valve element 3, and the valve core case 4 coordinated with valve element, valve element are provided with valve body The closing to form stop valve is contacted with valve core case, valve element separates the unlatching to form stop valve with valve core case;And driving stem band Movable valve plug moves, by changing between valve element and valve core case matching relationship to realize that stop valve is cut between state is turned on and off The drive part 5 changed, the drive part removably connection with angled seat formula valve body on.Angled seat formula valve body is 45° angle sitting posture valve Body, it has steam flow channel 6, and middle part is the connection mouth of pipe 37 for drive part installation;Valve element includes being securely fitted in valve Seal support part 7 on bar, and the sealed circular ring 8 below seal support part is fixedly connected on, set below sealed circular ring Guiding pad 9 is equipped with, guiding pad is connected on valve rod;The annular chamber being put into for sealed circular ring is formed in the lower surface of seal support part Room, after sealed circular ring is put into annular compartment, the end portion of sealed circular ring is in outside seal support part, sealing support here Part, guiding pad can use the mode that is fixedly connected commonly used in current valve to be assembled, and as shown in FIG., valve rod lower end is formed The conical surface is used for position limiting sealed support member, on the valve rod below guiding pad by the way of locking nut is locked;Valve core case With the step surface 10 coordinated with sealed circular ring lower surface, when sealed circular ring lower surface is bonded to form sealing with step surface When, stop valve then forms closed mode.Move up and down to form the guide channel of guiding in the formed below and guiding pad of step surface 11, to ensure the accurate dropping place during valve element decline.
Wherein, drive part includes upper end closed, open at its lower end and the internal housing 12 for cavity, and to housing lower end Covered so that enclosure interior cavity forms the lid 13 of closing space;Lid can be formed whole with housing using welding manner Body.
Piston 14 is provided with enclosure interior cavity, enclosure interior space is separated upper chamber 15 and lower chambers by piston 16;Valve rod upper end is fixedly connected with the piston through lid, i.e., valve rod upper end is locked after passing through lid by locking nut;Valve Bar top can be coordinated with Piston connecting portion point using contact of incline plane, to increase the connection contact area of valve rod and piston; Offer and enter for external fluid in lower chambers to promote the inlet port 17 that piston moves to upper chamber direction on lid;Specifically In implementation, the annular notches 18 of depression are formed in lid upper surface periphery, inlet port connects with annular notches, and such inlet port enters The gas entered can be evenly distributed in around piston lower surface in advance, after the entrance of subsequent gases, be capable of fast and stable Promote piston movement.
It is disposed with upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, is driven Make the elastic component 19 of the downward reseting movement of piston;The outlet 20 connected with upper chamber is offered in the upper end of housing, in order to Circulation will be formed in upper chamber between extraneous gas.
After the driving gas of outside enters lower chambers by inlet port, piston is under the promotion of driving gas, along shell The inwall of body moves upwards and elasticity of extension part, makes elastic component energy storage;The upward motion of piston can be with ovable valve stem and valve element one And move upwards, the upward motion of valve element is then formed with valve seat to be separated, and stop valve is realized opening;When cut-out drives gas Be passed through, piston is moved downward under the elastic force effect of elastic component, while valve rod and valve element are moved downward, and valve element is formed with valve seat Coordinate, then stop valve is realized closed mode.
The upper end of housing forms the chamber resettling 21 that size is less than enclosure interior space;The upper surface middle part of piston is downward Form depressed part 22;The upper end of elastic component is in chamber resettling and the top surface withstood in chamber resettling, and lower end is in depressed part simultaneously Contacted with depressed part bottom surface.In specific implementation, elastic component is spring, spring selects two, and a size is big, and a size is small , the small spring of size is in the big spring of size, and the hand of spiral of two springs is different, to ensure to push away with sufficient Kinetic force, drive the downward reseting movement of piston;Meanwhile by arranging two springs, it can ensure that spring is still located when compressed In horizontality, the phenomenon to swing will not be produced.
The annular chamber to cave inward is formed in piston outer periphery face, piston packing ring 23, piston seal are equipped with annular chamber Formed between the outer peripheral face of ring and inner walls and contact sealing.Piston packing ring is made of FFKM.
Fixed (welding) is provided with the supporting guide pipe 24 of upper and lower ends insertion below lid, support guide pipe upper end and Lid is fixedly connected, and lower end is connected with angled seat formula valve body screw thread, that is, the outer wall for supporting guide pipe lower end opens up screw thread, the company of valve body Connect internal wall of pipe orifice and open up screw thread, both ends screw thread, which is formed, to be coordinated, to form threaded connection;The lower end of above-mentioned valve rod is oriented to through supporting Pipe is stretched into angled seat formula valve body.
It is provided with supporting guide pipe and the guide frame being oriented to is formed to stem movement, the guide frame includes being enclosed on valve rod The upper guide sleeve 25 on top, the middle guide sleeve 26 being enclosed in the middle part of valve rod, the lower guide sleeve 27 for being enclosed on stem lower portion, and in upper Between guide sleeve, middle guide sleeve and the filler between middle guide sleeve, lower guide sleeve 28.Filler is made of PTFE material, - 20 DEG C -230 DEG C of temperature can be born, pressure is no more than 30kg/cm2.When three guide sleeves are used to ensure that valve rod moves up and down Axiality.
Filler includes four packing rings 29 being layering up and down, and periphery wall and the supporting of packing ring are oriented to inside pipe wall and connect Touch, internal perisporium is formed with the outer surface of valve rod and contacted;The upper table of packing ring is swelled to form lug boss 30 upwardly, and lower surface is formed The notch portion 31 being adapted with lug boss.
The upper packing spring 32 being set on valve rod, lower packing spring 33, upper packing spring are disposed with supporting guide pipe Lower end withstand on guide sleeve, upper end is withstood on lid, and the upper end of lower packing spring is withstood on filler, and lower end withstands on lower guiding Put.Can be to upper guide sleeve, middle guide sleeve and filler in above-below direction by the setting of upper packing spring, lower packing spring Motion forms spacing.And supporting guide pipe lower end inner wall formed supporting step 34, lower guide sleeve by supporting step into Gear.By the arrangement of guide sleeve, filler, can ensure that the skew of left and right will not be produced above and below valve rod during stretching motion, Closing accuracy and stability during so as to ensure that stop valve is closed.
In order to increase the sealing between supporting guide pipe and valve body, the bottom for supporting guide pipe is provided with seal cover board 35, the lower surface of the seal cover board is formed after supporting guide pipe is connected in place with angled seat formula valve body with angled seat formula valve body contact Sealing;For the ease of assembly and disassembly, on supporting guide pipe fixed (welding) be provided with nut 36, after turn nut, branch can be driven Guide pipe and housing into rotation are held, realizes quick assembly or disassembly.Supporting the setting of guide pipe can also stop in steam simultaneously Certain heat transfer is avoided in unloading process at housing, because case temperature is higher, and scalds operating personnel.Specifically make During, 0.4mm red copper pads, upper surface and the seal cover board lower surface of red copper pad can be arranged below seal cover board Contact sealing, lower surface form with angled seat formula valve body and contact sealing.
The application installation with occupation mode as conventional valves, to reduce pipeline and equipment excessive change and change More, the versatility and popularization of valve are improved, is easy to use side to be interchangeable in time with traditional product, reduces visitor to the full extent The input of fund and manpower of the family on this product is changed.The application is in repair demolition, first by the high-temperature medium in pipeline Cut-out, is then split valve body and drive part, i.e., is connected due to supporting guide pipe with valve body screw thread, during turn nut just Supporting guide pipe and valve body can be departed from, can be to remove, and pipeline of the body portion still with equipment keeps connection status;This Drive part in product is included all sealing and accessory, and therefore, removing drive part needs to change outer, body portion It need not be changed, reduce maintenance cost.
Guide sleeve uses copper material in this product, and filler uses PTFE material, and housing and supporting guide pipe use stainless steel Casting forms, thus is used suitable for the annular such as high temperature, high pressure, corrosion-resistant is lower.

Claims (10)

1. a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch, it is characterised in that including angled seat formula valve body, insert Enter the valve rod in valve body, the lower end of valve rod is equipped with valve element, and the valve core case coordinated with valve element, valve element and valve element are provided with valve body Seated connection touches the closing for forming stop valve, and valve element separates the unlatching to form stop valve with valve core case;
And driving stem drives valve core movement, by changing between valve element and valve core case matching relationship to realize that stop valve is being opened Open or closed mode between the drive part that switches, drive part removably connection with angled seat formula valve body.
A kind of 2. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 1, it is characterised in that The drive part include upper end closed, open at its lower end and it is internal be the housing of cavity, and housing lower end is covered with Enclosure interior cavity is set to form the lid of closing space;
Piston is provided with enclosure interior cavity, enclosure interior space is separated upper chamber and lower chambers by piston;The valve rod Upper end is fixedly connected with the piston through lid;
Offer and enter for external fluid in lower chambers to promote the inlet port that piston moves to upper chamber direction on lid;
It is disposed with upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, drives work Fill in the elastic component of downward reseting movement;
The outlet connected with upper chamber is offered in the upper end of housing.
A kind of 3. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 2, it is characterised in that The upper end of the housing forms the chamber resettling that size is less than enclosure interior space;
The upper surface middle part of piston is formed down depressed part;
The elastic component is spring, and the upper end of the elastic component is in chamber resettling and the top surface withstood in chamber resettling, lower end Contacted in depressed part and with depressed part bottom surface.
4. a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as described in claim 1 or 2 or 3, it is special Sign is that the piston outer periphery face forms the annular chamber to cave inward, and piston packing ring, piston packing ring are equipped with annular chamber Outer peripheral face and inner walls between formed contact sealing.
5. a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as described in claim 1 or 2 or 3, it is special Sign is, the supporting guide pipe of upper and lower ends insertion, the upper end of the supporting guide pipe and lid are provided with below the lid It is fixedly connected, lower end is connected with angled seat formula valve body screw thread, and angled seat formula valve body is stretched into the lower end of above-mentioned valve rod through supporting guide pipe In.
A kind of 6. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 5, it is characterised in that It is provided with the supporting guide pipe and the guide frame being oriented to is formed to stem movement, the guide frame includes being enclosed on valve rod top Upper guide sleeve, be enclosed in the middle part of valve rod middle guide sleeve, be enclosed on the lower guide sleeve of stem lower portion, and in upper guide sleeve, in Between guide sleeve and the filler between middle guide sleeve, lower guide sleeve.
A kind of 7. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 6, it is characterised in that The filler includes four packing rings being layering up and down, and periphery wall and the supporting of packing ring are oriented to inside pipe wall and contacted, inner circumferential Wall is formed with the outer surface of valve rod and contacted;
The upper table of packing ring swells to form lug boss upwardly, and lower surface forms the notch portion being adapted with lug boss.
A kind of 8. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 7, it is characterised in that The upper packing spring being set on valve rod, lower packing spring, the lower end top of upper packing spring are disposed with the supporting guide pipe On upper guide sleeve, upper end is withstood on lid, and the upper end of lower packing spring is withstood on filler, and lower end is withstood on lower guide sleeve.
A kind of 9. angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 5, it is characterised in that The bottom of the supporting guide pipe is provided with seal cover board, and the lower surface of the seal cover board is in supporting guide pipe and angle seat valve After body connection in place, formed and sealed with angled seat formula valve body contact.
10. a kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch as claimed in claim 5, its feature exist In described support is fixedly installed nut on guide pipe.
CN201710913210.3A 2017-09-30 2017-09-30 A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch Pending CN107631043A (en)

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Application Number Priority Date Filing Date Title
CN201710913210.3A CN107631043A (en) 2017-09-30 2017-09-30 A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch

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Application Number Priority Date Filing Date Title
CN201710913210.3A CN107631043A (en) 2017-09-30 2017-09-30 A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953638A (en) * 2018-06-26 2018-12-07 浙江派沃自控仪表有限公司 Self-operated type dual control point quick action emergency valve
CN110260007A (en) * 2019-07-26 2019-09-20 浙江三方控制阀股份有限公司 A kind of pressure-regulating device with cutting function

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2591344Y (en) * 2003-01-07 2003-12-10 汕头精细化工(集团)公司 Pneumatic cut-off valve
CN101373030A (en) * 2008-10-21 2009-02-25 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type multi-medium angle seat valve with buffer
CN101377245A (en) * 2008-09-24 2009-03-04 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type angle seat valve
CN201810868U (en) * 2010-09-26 2011-04-27 上海阀特流体控制阀门有限公司 Packing sealing structure of valve
US20110309282A1 (en) * 2010-06-21 2011-12-22 Krones Ag Device for driving a double seat valve
CN102878302A (en) * 2012-05-31 2013-01-16 青岛海菲勒气控阀门有限公司 Pneumatically controlled angle seat valve
CN106090245A (en) * 2016-08-17 2016-11-09 浙江铭天阀门有限公司 One carries buffering " shut " mode" and has high temperature resistant hard seal angle seat valve
CN205908753U (en) * 2016-08-17 2017-01-25 浙江铭天阀门有限公司 Has high temperature resistant cleat valve sealed firmly from area buffering mode of closing
CN206386547U (en) * 2016-12-30 2017-08-08 青岛精锐机械制造有限公司 Balanced type gas control angle pedestal valve
CN207569236U (en) * 2017-09-30 2018-07-03 江苏沃尔坎技研科技有限公司 A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2591344Y (en) * 2003-01-07 2003-12-10 汕头精细化工(集团)公司 Pneumatic cut-off valve
CN101377245A (en) * 2008-09-24 2009-03-04 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type angle seat valve
CN101373030A (en) * 2008-10-21 2009-02-25 上海宏翔机械制造有限公司 Pneumatic two-position two-way piston type multi-medium angle seat valve with buffer
US20110309282A1 (en) * 2010-06-21 2011-12-22 Krones Ag Device for driving a double seat valve
CN201810868U (en) * 2010-09-26 2011-04-27 上海阀特流体控制阀门有限公司 Packing sealing structure of valve
CN102878302A (en) * 2012-05-31 2013-01-16 青岛海菲勒气控阀门有限公司 Pneumatically controlled angle seat valve
CN106090245A (en) * 2016-08-17 2016-11-09 浙江铭天阀门有限公司 One carries buffering " shut " mode" and has high temperature resistant hard seal angle seat valve
CN205908753U (en) * 2016-08-17 2017-01-25 浙江铭天阀门有限公司 Has high temperature resistant cleat valve sealed firmly from area buffering mode of closing
CN206386547U (en) * 2016-12-30 2017-08-08 青岛精锐机械制造有限公司 Balanced type gas control angle pedestal valve
CN207569236U (en) * 2017-09-30 2018-07-03 江苏沃尔坎技研科技有限公司 A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108953638A (en) * 2018-06-26 2018-12-07 浙江派沃自控仪表有限公司 Self-operated type dual control point quick action emergency valve
CN108953638B (en) * 2018-06-26 2023-06-27 浙江派沃自控仪表有限公司 Self-operated emergency cut-off valve with double control points
CN110260007A (en) * 2019-07-26 2019-09-20 浙江三方控制阀股份有限公司 A kind of pressure-regulating device with cutting function
CN110260007B (en) * 2019-07-26 2024-06-07 浙江三方控制阀股份有限公司 Pressure regulating device with cutting-off function

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