CN106641293A - Pneumatic fluorine-lined corrugated pipe single seat adjusting valve - Google Patents
Pneumatic fluorine-lined corrugated pipe single seat adjusting valve Download PDFInfo
- Publication number
- CN106641293A CN106641293A CN201710102595.5A CN201710102595A CN106641293A CN 106641293 A CN106641293 A CN 106641293A CN 201710102595 A CN201710102595 A CN 201710102595A CN 106641293 A CN106641293 A CN 106641293A
- Authority
- CN
- China
- Prior art keywords
- valve
- pneumatic
- valve body
- valve rod
- face
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a pneumatic fluorine-lined corrugated pipe single seat adjusting valve and relates to the technical field of manufacturing of a special valve. The pneumatic fluorine-lined corrugated pipe single seat adjusting valve comprises a valve body, a valve core, a valve rod and a valve core. A mounting connecting port is further mounted in the valve body, a middle flange is arranged on the mounting connecting port, a sealing end surface matched with the valve core is arranged in a middle section of a water channel between the inlet and the outlet of the valve body, the valve core is fixed at one end of the valve rod, the valve core is arranged in the valve body, the mounting connecting port is connected to the valve cover through the middle flange, and a packing sealing mechanism is arranged between the valve core and the valve rod; a polytetrafluoroethylene corrugated pipe is arranged on the valve rod in the valve body, two ends of the polytetrafluoroethylene corrugated pipe separately lean against the inner end surface of the valve core and the end surface of the valve core, a pneumatic executor is fixedly connected to the upper end of the valve body through a bracket, and the output end of the pneumatic executor is fixedly connected to the top end of the valve rod. By using the polytetrafluoroethylene corrugated pipe as a first seal, a medium is effectively prevented from being leaked from the valve rod, so that zero leakage is formed; the valve is controlled to open and close by the pneumatic executor, so that the pneumatic fluorine-lined corrugated pipe single seat adjusting valve is accurate in stroke and safe and reliable.
Description
Technical field
The present invention relates to a kind of Special valve, more particularly to a kind of manufacturing technology field of chlorine regulating valve.
Background technology
At present, the domestic valve using on the high chlorine pipeline of water content, is traditional fluoroplastic all-liner stop valve, should
Class valve mechanism is outmoded, is common plane type, generally ordinary carbon steel lining, and the even cast iron lining having, its product is used
Performance can not meet the safety requirements of operating mode actual motion, and Jing is often leaked, and housing is easily bored a hole so that chemical enterprise is particularly chlor-alkali
Chemical enterprise, the system valve is frequently necessary to safeguard and changes, and to enterprise's production extreme influence is brought.
The content of the invention
In order to overcome the defect of prior art, the present invention to provide a kind of Pneumatic lining fluorine corrugated tube single-seat adjusting valve.
The present invention includes valve body, valve gap, valve rod, valve element, and the valve body includes import, outlet, and the valve body is additionally provided with peace
Load interface, the import and export is respectively provided with flange, flange in the installation connector setting, the valve body import and export
Between water channel stage casing be provided with the seal face coordinated with valve element, the valve element is fixed on one end of the valve rod, the valve
Core is arranged in the valve body, and the valve element is fitted close with the seal face of the water channel, during the installation connector passes through
Flange connects the valve gap, and one section of valve rod for connecting the valve element is arranged in the valve body, and the valve gap passes through bolt, nut
It is fixedly connected with the middle flange, the valve rod passes through bonnet central through hole, sets between the top of the valve gap and institute's valve rod
Put packing seal mechanism；In the valve body medial wall, middle end face of flange, flange end face difference full lining fluoroplastic layer；Institute
State and polytetrafluoroethylbellows bellows are set on the valve rod in valve body, the polytetrafluoroethylbellows bellows two ends are inner with valve gap respectively
Face, spool end are contradicted, and sealing mechanism are arranged between the polytetrafluoroethylbellows bellows upper end and the valve gap, described
The upper end of valve body is fixedly connected pneumatic actuator by support, and the outfan of the pneumatic actuator leads to the top of the valve rod
Cross attachment means to be fixedly connected.
Using polytetrafluoroethylbellows bellows as first sealing, effective protection medium cannot be let out the present invention from valve rod
Leakage, constitutes zero leakage；Open additionally by pneumatic actuator control valve, close, stroke is accurately, safe and reliable.
The present invention arranges one section of pipe between the valve gap and the valve body and connects, one end that the pipe connects and the middle flange
End face is fitted close, and the other end that the pipe connects is fitted close with the valve gap end face, and the pipe connects medial wall and two ends end face
Connected by stay bolt, nut between the middle flange of full lining fluoroplastics, the valve gap and the valve body, stay bolt is through the pipe
Connect outside；Pipe is connected to the effect of fixed corrugated tube, effectively prevents polytetrafluoroethylbellows bellows from deforming and damaging, and causes leakage, from
And service life is longer.
Further, the middle end face of flange arranges one and encloses concave surface, and the pipe connects and fits snugly in the concave surface, passes through
It is more preferable that concave surface connects more stable, sealing effectiveness.
Packing seal mechanism of the present invention is V-type multistage dense seal combination, and the V-type multistage dense seal combination is arranged on
In stuffing-box between valve gap and the valve rod, gland is threadedly coupled at stuffing-box opening, filler depression bar compresses the V
The seal of type multistage dense is combined, and described filler gland is set on the valve rod；Packing seal herein is used as corrugated tube top
Insurance sealing, be to prevent ring from leaking outside, in the case that corrugated tube is not bad, the stuffing-box in a dormant state, once find from valve
Leak outside at bar, just tighten up the nut on gland, reach safety effect.
Valve element of the present invention includes flap, and the flap is coated with ptfe composite layer, the flap with
The valve body water channel seal face coordinates, and one end of the polytetrafluoroethylbellows bellows is combined with the politef of the flap
Material layer is welded as a whole；It is wholely set the life requirements that can ensure that valve is persistently used for a long time.
Using cone, plane sealing structure between the seal face of flap of the present invention and the valve body water channel.
The upper end connection valve rod lowering or hoisting gear of valve rod of the present invention, the valve rod lowering or hoisting gear includes and support assorted
Contiguous block, the pedestal lower end for connecting pneumatic actuator is fixed on the valve gap top, the support include two pillars, on
Gripper shoe, lower supporting plate, the centrally disposed through hole of the lower supporting plate, the lower supporting plate is nested with the valve gap by through hole
End is simultaneously held in valve gap top bar, is threaded in valve gap upper end lateral wall, and valve gap upper end is threaded connection
Nut, nut compresses the lower supporting plate；Connection is supported by two pillars between the upper and lower gripper shoe, described
The contiguous block is set, and the contiguous block is made up of two halves location-plate, location-plate described in two halves is logical from side between two pillars
Cross bolt, nut and be fixed into contiguous block, each location-plate middle part is respectively equipped with arc groove, and two halves arc groove synthesizes a bulb
Accommodating chamber, two ends of each location-plate are respectively provided with arcwall face；The upper end of the valve rod arranges bulb；The pneumatic actuator
It is fixed on the upper backup pad upper end of the support, the outfan of the pneumatic actuator is arranged to bulb, the upper end of the valve rod,
The lower end of pneumatic actuator is connected to the bulb receiving intracavity by the way that bulb is spacing respectively.
The present invention is oriented to by contiguous block with stanchions, and valve rod, the outfan of pneumatic actuator are connected respectively by bulb
It is connected in contiguous block, after startup, the outfan of pneumatic actuator does upper and lower motion, and pneumatic actuator drives valve by contiguous block
The upper and lower motion of bar, valve rod is only moved up and down, not rotated, if rotated, can turn round bad corrugated tube, while this
Individual horizontal contiguous block makees valve opening instruction again, is exactly that valve opens how many, is adjusted by pneumatic actuator now, and control is more
Accurately.
The present invention arranges graduated scale on arbitrary pillar of the support, and the two ends of the contiguous block are arranged respectively to three
The top of the horn head, tip end and the graduated scale of the contiguous block are correspondingly arranged.By the display directly perceived of scale and tip, can be with
Find out the stroke distances of valve rod.
Description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Specific embodiment
As shown in figure 1, this Pneumatic lining fluorine corrugated tube single-seat adjusting valve, including valve body 1, valve gap 2, valve rod 3, valve element 4, valve body
1 includes import 5, outlet 6, and valve body 1 is additionally provided with installation connector 7, and import and export 5,6 is respectively provided with flange 8, installs connection
Flange 9 in the setting of mouth 7, the water channel stage casing between the import and export of valve body 1 is provided with the seal face 10 coordinated with valve element 4, valve element 4
One end of valve rod 3 is fixed on, valve element 4 is arranged in valve body 1, valve element 4 is fitted close with the seal face 10 of water channel, connection is installed
Mouthfuls 7 connect valve gap by middle flange 9, and one section of valve rod 3 for connecting valve element 4 is arranged in valve body 1, valve gap 2 by bolt, nut with
Middle flange 9 is fixedly connected, and valve rod 3 passes through the central through hole of valve gap 2, and packing seal machine is arranged between the top of valve gap 2 and valve rod 3
Structure 11；In the medial wall of valve body 1, the end face of middle flange 9, the end face of flange 8 difference full lining fluoroplastic layer 12；Valve in valve body 1
Polytetrafluoroethylbellows bellows 13 are set on bar 3, and the two ends of polytetrafluoroethylbellows bellows 13 are supported respectively with valve gap inner face, spool end
Touch, sealing mechanism 14 is set between the upper end of polytetrafluoroethylbellows bellows 13 and valve gap 2, in the upper end of valve body 1 by propping up 35
Pneumatic actuator 36 is fixedly connected, the outfan of pneumatic actuator 36 is fixedly connected with the top of valve rod 3 by attachment means 37.
The upper end of valve rod 3 connects valve rod lowering or hoisting gear 15, and valve rod lowering or hoisting gear 15 includes the contiguous block coordinated with support 35
19, the lower end of support 35 for connecting pneumatic actuator 36 is fixed on the top of valve gap 2, and support 35 includes two pillars 18, upper backup pad
16th, lower supporting plate 17, the centrally disposed through hole of lower supporting plate 17, lower supporting plate 17 is nested with the upper end of valve gap 2 and is put by through hole
It is placed in the top bar of valve gap 2, is threaded in the upper end lateral wall of valve gap 2, the upper end of valve gap 2 is threaded connection nut 22, spiral shell
Female 22 compress lower supporting plate 17；Support connection by two pillars 18 between upper and lower gripper shoe 16,17, two pillars 18 it
Between contiguous block 19 is set, contiguous block 19 is made up of two halves location-plate 24, and two halves location-plate 24 is fixed sideways through bolt, nut
Into contiguous block 19, the middle part of each location-plate 24 is respectively equipped with arc groove, and two halves arc groove synthesizes a bulb accommodating chamber；Valve rod
3 upper end arranges bulb, and pneumatic actuator 36 is fixed on the top of support 35, and the outfan of pneumatic actuator 36 is arranged to bulb,
The upper end of valve rod 3, the lower end of pneumatic actuator 36 accommodate intracavity by the spacing bulb that is connected to of bulb respectively.Propping up in support 35
Graduated scale 20 is set on post, and the two ends of contiguous block 19 are arranged respectively to triangle tip, the tip end of contiguous block 19 and graduated scale
Chi 20 is correspondingly arranged.
Further one section of pipe of setting between valve gap 2 and valve body 1 connects 27, and one end that pipe connects 27 is tight with the end face of middle flange 9
Close fit, pipe connects 27 other end and the end face of valve gap 2 is fitted close, and pipe connects 27 medial walls and two ends end face full lining fluoroplastic layer,
Connected by stay bolt 28, nut 29 between valve gap 2 and the middle flange 9 of valve body 1, stay bolt 28 connects 27 outsides through pipe；Middle method
Blue 9 end faces arrange one and enclose concave surface 30, and pipe connects 27 and fits snugly in concave surface 30；Pipe connects 27 fixed corrugated tube, effectively
Prevent polytetrafluoroethylbellows bellows from deforming and damaging, leakage is caused, so as to service life is longer.
Packing seal mechanism 11 be the seal of V-type multistage dense combination 31, the seal of V-type multistage dense combination 31 be arranged on valve gap 2 with
In stuffing-box 32 between valve rod 3, gland 33 is threadedly coupled at the opening of stuffing-box 32, it is many that gland 33 compresses V-type
Level sealing ring combination 31, gland 33 is set on valve rod 3；Packing seal herein is close as the insurance on corrugated tube top
Envelope.
Valve element 4 includes flap 34, and flap 34 is coated with ptfe composite layer, and flap 34 is close with the water channel of valve body 1
End-blocking face 10 coordinates, and one end of polytetrafluoroethylbellows bellows 13 is welded as one with the ptfe composite layer of flap 34
Body；Using cone, plane sealing structure between the seal face of flap 34 and the water channel of valve body 1.
Claims (8)
1. Pneumatic lining fluorine corrugated tube single-seat adjusting valve, including valve body, valve gap, valve rod, valve element, the valve body includes import, outlet,
The valve body is additionally provided with installation connector, and the import and export is respectively provided with flange, method in the installation connector setting
Orchid, the water channel stage casing between the valve body import and export is provided with the seal face coordinated with valve element, and the valve element is fixed on described
One end of valve rod, the valve element is arranged in the valve body, and the valve element is fitted close with the seal face of the water channel, described
Connector is installed the valve gap is connected by middle flange, one section of valve rod for connecting the valve element is arranged in the valve body, described
Valve gap is fixedly connected by bolt, nut with the middle flange, and the valve rod passes through bonnet central through hole, in the valve gap and institute
Packing seal mechanism is set between the top of valve rod；It is complete respectively in the valve body medial wall, middle end face of flange, flange end face
Fluorine-lined plastic layer；Polytetrafluoroethylbellows bellows, the polytetrafluoroethylbellows bellows two ends are set on the valve rod in the valve body
Contradict with valve gap inner face, spool end respectively, arrange between the polytetrafluoroethylbellows bellows upper end and the valve gap
Sealing mechanism, it is characterised in that pneumatic actuator, the pneumatic actuator are fixedly connected by support in the upper end of the valve body
Outfan be fixedly connected by attachment means with the top of the valve rod.
2. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that the valve gap with it is described
Arrange one section of pipe between valve body to connect, one end that the pipe connects is fitted close with the middle end face of flange, the other end that the pipe connects
It is fitted close with the valve gap end face, the pipe connects medial wall and two ends end face full lining fluoroplastics, the valve gap and the valve body
Middle flange between by stay bolt, nut connect, stay bolt through the pipe connect outside.
3. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that the middle end face of flange sets
A circle concave surface is put, the pipe connects and fits snugly in the concave surface.
4. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that described filler sealing mechanism
Combine for the seal of V-type multistage dense, the V-type multistage dense seal combination is arranged in the stuffing-box between valve gap and the valve rod,
Gland is threadedly coupled at stuffing-box opening, filler depression bar compresses the V-type multistage dense seal combination, described filler gland
It is set on the valve rod.
5. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that the valve element includes flap,
The flap is coated with ptfe composite layer, and the flap coordinates with the valve body water channel seal face, described poly-
One end of tetrafluoroethene corrugated tube is welded as a whole with the ptfe composite layer of the flap.
6. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that the flap and the valve
Using cone, plane sealing structure between the seal face of body water channel.
7. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 1, it is characterised in that the upper end of the valve rod connects
Valve rod lowering or hoisting gear is connect, the valve rod lowering or hoisting gear includes the contiguous block with support assorted, connects described of pneumatic actuator
Frame lower end is fixed on the valve gap top, and the support includes two pillars, upper backup pad, lower supporting plates, the lower supporting plate
Centrally disposed through hole, the lower supporting plate is nested with the valve gap upper end by through hole and is held in valve gap top bar,
Valve gap upper end lateral wall is threaded, and valve gap upper end is threaded connection nut, and nut compresses the lower supporting plate；Institute
State and support connection by two pillars between upper and lower gripper shoe, the contiguous block, institute are set between two pillars
State contiguous block to be made up of two halves location-plate, location-plate described in two halves is fixed into contiguous block sideways through bolt, nut, each positioning
Plate middle part is respectively equipped with arc groove, and two halves arc groove synthesizes a bulb accommodating chamber, two ends difference of each location-plate
Arcwall face is set；The upper end of the valve rod arranges bulb；The pneumatic actuator is fixed on the upper backup pad upper end of the support,
The outfan of the pneumatic actuator is arranged to bulb, and the upper end of the valve rod, the lower end of pneumatic actuator pass through respectively bulb
It is spacing to be connected to the bulb receiving intracavity.
8. Pneumatic lining fluorine corrugated tube single-seat adjusting valve according to claim 7, it is characterised in that in the arbitrary of the support
Graduated scale is set on pillar, and the two ends of the contiguous block are arranged respectively to triangle tip, the tip end of the contiguous block and institute
State graduated scale to be correspondingly arranged.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102595.5A CN106641293A (en) | 2017-02-24 | 2017-02-24 | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve |
| PCT/CN2017/081190 WO2018152947A1 (en) | 2017-02-24 | 2017-04-20 | Pneumatic fluorine-lined corrugated pipe single-seat regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102595.5A CN106641293A (en) | 2017-02-24 | 2017-02-24 | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641293A true CN106641293A (en) | 2017-05-10 |
Family
ID=58846549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102595.5A Pending CN106641293A (en) | 2017-02-24 | 2017-02-24 | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106641293A (en) |
| WO (1) | WO2018152947A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056695A (en) * | 2018-01-18 | 2019-07-26 | 江苏鼎晟阀门有限公司 | Pneumatic chlorine forged steel check valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116538C1 (en) * | 1997-04-30 | 1998-07-27 | Научно-производственная и внедренческая фирма "Аргонавт" при Научно-исследовательском институте вакуумной техники им.С.А.Векшинского | Shut-off adjusting single-seat valve |
| CN2634207Y (en) * | 2003-03-13 | 2004-08-18 | 周庆男 | Pneumatic and electric flurine plastic lined corrugated pipe seal regulating valve |
| CN202149280U (en) * | 2011-07-13 | 2012-02-22 | 浙江山能仪表有限公司 | Single-seat regulating valve sealed by pneumatic corrugated pipe |
| CN103277526A (en) * | 2013-06-20 | 2013-09-04 | 江苏明江阀业有限公司 | Pneumatic bellows adjusting valve for chlor-alkali |
| CN203463670U (en) * | 2013-07-29 | 2014-03-05 | 上海申吉仪表有限公司 | Pneumatic single-seat regulation valve |
| CN106090380A (en) * | 2016-08-22 | 2016-11-09 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5878993A (en) * | 1997-03-27 | 1999-03-09 | St. Germain; Stephen V. | Shielded globe valve seal mechanism |
| US6322051B1 (en) * | 2000-01-03 | 2001-11-27 | Automatic Bar Controls, Inc. | Elastomeric molded valve stem and spring hat |
| CN201326754Y (en) * | 2008-12-18 | 2009-10-14 | 江苏明江阀业有限公司 | Fluoroplastic fully lined pneumatic stop valve for chlor-alkali |
| CN202659916U (en) * | 2012-07-22 | 2013-01-09 | 江苏金晟元特种阀门有限公司 | High-performance bellows valve special for chlorine gas |
| DE102012022132A1 (en) * | 2012-11-13 | 2014-05-15 | Tq-Systems Gmbh | Smart meter |
| CN103953782A (en) * | 2014-05-23 | 2014-07-30 | 江苏明江阀业有限公司 | Special pneumatic control valve for chlorine |
-
2017
- 2017-02-24 CN CN201710102595.5A patent/CN106641293A/en active Pending
- 2017-04-20 WO PCT/CN2017/081190 patent/WO2018152947A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116538C1 (en) * | 1997-04-30 | 1998-07-27 | Научно-производственная и внедренческая фирма "Аргонавт" при Научно-исследовательском институте вакуумной техники им.С.А.Векшинского | Shut-off adjusting single-seat valve |
| CN2634207Y (en) * | 2003-03-13 | 2004-08-18 | 周庆男 | Pneumatic and electric flurine plastic lined corrugated pipe seal regulating valve |
| CN202149280U (en) * | 2011-07-13 | 2012-02-22 | 浙江山能仪表有限公司 | Single-seat regulating valve sealed by pneumatic corrugated pipe |
| CN103277526A (en) * | 2013-06-20 | 2013-09-04 | 江苏明江阀业有限公司 | Pneumatic bellows adjusting valve for chlor-alkali |
| CN203463670U (en) * | 2013-07-29 | 2014-03-05 | 上海申吉仪表有限公司 | Pneumatic single-seat regulation valve |
| CN106090380A (en) * | 2016-08-22 | 2016-11-09 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056695A (en) * | 2018-01-18 | 2019-07-26 | 江苏鼎晟阀门有限公司 | Pneumatic chlorine forged steel check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018152947A1 (en) | 2018-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107061857A (en) | Electronic Fluorine-lined bellows single-seat adjusting valve | |
| CN206338461U (en) | Fluoroplastic all-liner corrugated tube valve special for chlorine | |
| CN202274116U (en) | Quick-change low-temperature single-seat control valve | |
| CN106122502A (en) | Bellows stop valve special for chlorine | |
| CN107339457A (en) | It is a kind of can on-line maintenance upper dress formula fixing ball valve | |
| CN106641293A (en) | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve | |
| CN100520131C (en) | Micro-flow regulating valve | |
| CN205937894U (en) | Corrugated pipe stop valve for chlorine | |
| CN209705299U (en) | A kind of energy-saving type gas pressure reducing valve | |
| CN102797695B (en) | Cyclic protection control system and cyclic protection control method for mechanical seal | |
| CN207880095U (en) | Corrugated pipe chlorine dedicated regulation valve | |
| CN207880085U (en) | Corrugated pipe chlorine Special cut-off valve | |
| CN106090380A (en) | Fluoroplastic all-liner corrugated tube valve special for chlorine | |
| CN203097803U (en) | High sulfur resistant high pressure metal sealing casing pipe head | |
| WO2015184718A1 (en) | Wear-resistant anti-impact spherical compensator | |
| CN206377396U (en) | Plugging valves fixture | |
| CN2416290Y (en) | Cone seal stop valve for liquid caustic soda | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN107387926A (en) | Sleeve anti-corrosion straight tube bypass pressure balance type bellows compensator | |
| CN107388017A (en) | It is easy to the HTHP drainage spherical valve of assembling | |
| CN101852309B (en) | Fluoroplastic lining single-seat plunger type balance control valve | |
| CN207122608U (en) | It is a kind of can on-line maintenance upper dress formula fixing ball valve | |
| CN206754394U (en) | A kind of novel telescopic dish valve gear | |
| CN205639751U (en) | Self -operated pressure control valve for ammonia | |
| CN206555555U (en) | Constant temperature stuffing box structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |