CN106090380A - Fluoroplastic all-liner corrugated tube valve special for chlorine - Google Patents
Fluoroplastic all-liner corrugated tube valve special for chlorine Download PDFInfo
- Publication number
- CN106090380A CN106090380A CN201610699231.5A CN201610699231A CN106090380A CN 106090380 A CN106090380 A CN 106090380A CN 201610699231 A CN201610699231 A CN 201610699231A CN 106090380 A CN106090380 A CN 106090380A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- valve body
- face
- valve rod
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
-
- 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
- F16K1/48—Attaching valve members to screw-spindles
-
- 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
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
Fluoroplastic all-liner corrugated tube valve special for chlorine, relates to the manufacturing technology field of a kind of Special valve.Including valve body, valve gap, valve rod, spool, valve body is additionally provided with installation connector, connector is installed middle flange is set, water channel stage casing between valve body import and export is provided with the seal face coordinated with spool, and spool is fixed on one end of valve rod, and spool is arranged in valve body, spool closely cooperates with the seal face of water channel, installing connector and pass through middle Flange joint valve gap, the one section of valve rod connecting spool is arranged in valve body, arranges packing seal mechanism between the top of valve gap and institute's valve rod；Arranging polytetrafluoroethylbellows bellows on valve rod in valve body, conflicting with valve gap inner face, spool end respectively in polytetrafluoroethylbellows bellows two ends, arranges sealing mechanism between polytetrafluoroethylbellows bellows upper end and valve gap.Using polytetrafluoroethylbellows bellows to seal as first, effectively protection medium cannot leak at valve rod, constitutes zero leakage.
Description
Technical field
The present invention relates to the manufacturing technology field of a kind of Special valve, particularly to the manufacturing technology of a kind of valve special for chlorine
Field.
Background technology
At present, domestic use valve on the chlorine pipeline that water content is high, is traditional fluoroplastic all-liner stop valve, should
Class valve mechanism is outmoded, and for common plane type, generally ordinary carbon steel lining, the even cast iron lining having, its product uses
Performance can not meet the safety requirements of operating mode actual motion, often leaks, and housing is easily bored a hole so that chemical enterprise particularly chlor-alkali
Chemical enterprise, this system valve it is frequently necessary to safeguard and change, and produces to enterprise and brings extreme influence.
Summary of the invention
In order to overcome the defect of existing valve special for chlorine, the present invention provides a kind of fluoroplastic all-liner corrugated pipe chlorine special
Valve.
The present invention includes that valve body, valve gap, valve rod, spool, described valve body include that import, outlet, described valve body are additionally provided with peace
Load interface, described import and export is respectively provided with flange, and described installation connector arranges middle flange, described valve body import and export
Between water channel stage casing be provided with the seal face coordinated with spool, described spool is fixed on one end of described valve rod, described valve
Core is arranged in described valve body, and described spool closely cooperates with the seal face of described water channel, during described installation connector passes through
Valve gap described in Flange joint, the one section of valve rod connecting described spool is arranged in described valve body, and described valve gap passes through bolt, nut
Fixing with described middle flange and be connected, described valve rod passes bonnet central through hole, sets between the top of described valve gap and institute's valve rod
Put packing seal mechanism；In described valve body medial wall, middle end face of flange, flange end face respectively full lining fluoroplastic layer；Institute
Stating and arrange polytetrafluoroethylbellows bellows on the valve rod in valve body, described polytetrafluoroethylbellows bellows two ends are inner with valve gap respectively
Face, spool end are conflicted, and arrange sealing mechanism between described polytetrafluoroethylbellows bellows upper end and described valve gap.
The present invention uses polytetrafluoroethylbellows bellows to seal as first, and effectively protection medium cannot be let out at valve rod
Leakage, constitutes zero leakage.
The present invention arranges one section of pipe between described valve gap and described valve body and connects, one end that described pipe connects and described middle flange
End face closely cooperates, and the other end that described pipe connects closely cooperates with described valve gap end face, and described pipe connects medial wall and two ends end face
Full lining fluoroplastics, are connected by stay bolt, nut between described valve gap and the middle flange of described valve body, and stay bolt is through described pipe
Connect outside；Pipe is connected to the effect of fixing corrugated tube, effectively prevents polytetrafluoroethylbellows bellows deformation from damaging, causes leakage, from
And service life is longer.
Further, described middle end face of flange arranges a circle concave surface, and described pipe connects and fits snugly in described concave surface, passes through
Concave surface connection is more stable, sealing effectiveness is more preferable.
Packing seal mechanism of the present invention is V-type multistage dense seal combination, and described V-type multistage dense seal combination is arranged on
In stuffing-box between valve gap and described valve rod, at the threaded gland of stuffing-box opening part, gland compresses described V
Type sealing ring in one's power combines, and described gland is set on described valve rod；Packing seal herein is as corrugated tube top
Insurance seal, be to prevent medium from leaking outside, in the case of corrugated tube is not bad, at this stuffing-box in a dormant state, once find from
Leak outside at valve rod, just tighten up the nut on gland, reach the effect of insurance.
Spool of the present invention includes that flap, described flap are coated with ptfe composite layer, described flap with
Described valve body water channel seal face coordinates, and one end of described polytetrafluoroethylbellows bellows is combined with the politef of described flap
Material layer is welded as a whole；It is wholely set the life requirements that can ensure that valve the most persistently uses.
Cone, plane is used to seal structure between the seal face of flap of the present invention and described valve body water channel.
The upper end of valve rod of the present invention connects valve rod lowering or hoisting gear, described valve rod lowering or hoisting gear include upper backup pad, under
Gripper shoe, pillar, locating piece, screw rod, handwheel, the centrally disposed through hole of described lower supporting plate, described lower supporting plate passes through through hole set
Put in described valve gap upper end and be held on valve gap tops bar, being threaded, on valve gap in lateral wall, described valve gap upper end
End is threaded connection nut, and nut compresses described lower supporting plate；Central through hole, described center are set in the middle part of described upper backup pad
Fixing connection swivel nut in through hole, described screw flight is connected in described swivel nut, by two institutes between described upper and lower gripper shoe
Stating pillar and support connection, arrange locating piece between described two pillars, described locating piece is made up of two halves location-plate, two halves institute
State location-plate and be fixed into locating piece sideways through bolt, nut, in the middle part of each location-plate, be respectively equipped with arc groove, two halves arc
Groove synthesizes a bulb and accommodates chamber, and two ends of each location-plate are respectively provided with arcwall face, location-plate end, two, the same side
Arcwall face piece together a big cambered surface, described locating piece two ends are coincide by pillar described in big cambered surface and both sides, formed location,
Guide；The upper end of described valve rod arranges bulb, the lower end of described screw rod arranges bulb, the upper end of described valve rod, the lower end of screw rod
It is connected to described bulb receiving intracavity respectively by bulb is spacing；The free end of described screw rod is fixing connects described handwheel.
Being guided with stanchions by locating piece, valve rod, screw rod are connected in locating piece by bulb respectively, rotation hand wheel
After, screw rod rotates and does upper and lower motion, and screw rod passes through the locating piece upper and lower motion of band ovable valve stem, so ensures that bottom valve rod only rises
Fall motion, not rotating, if rotated, can turn round bad corrugated tube, and the locating piece of this horizontal stroke leaves as valve again simultaneously
Degree instruction, it is simply that valve opens how many.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, this fluoroplastic all-liner corrugated tube valve special for chlorine, including valve body 1, valve gap 2, valve rod 3, spool 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, the company of installation
Interface 7 arranges middle flange 9, and the water channel stage casing between valve body 1 import and export is provided with the seal face 10 coordinated with spool 4, spool
4 one end being fixed on valve rod 3, spool 4 is arranged in valve body 1, and spool 4 closely cooperates with the seal face 10 of water channel, the company of installation
Interface 7 connects valve gap by middle flange 9, and the one section of valve rod 3 connecting spool 4 is arranged in valve body 1, and valve gap 2 is by bolt, nut
Fixing with middle flange 9 and be connected, valve rod 3, through valve gap 2 central through hole, arranges packing seal between the top of valve gap 2 and valve rod 3
Mechanism 11；In valve body 1 medial wall, middle flange 9 end face, flange 8 end face respectively full lining fluoroplastic layer 12；In valve body 1
Polytetrafluoroethylbellows bellows 13 is set on valve rod 3, polytetrafluoroethylbellows bellows 13 two ends respectively with valve gap inner face, spool end
Conflict, sealing mechanism 14 is set between polytetrafluoroethylbellows bellows 13 upper end and valve gap 2.
The upper end of valve rod 3 connects valve rod lowering or hoisting gear 15, and valve rod lowering or hoisting gear 15 includes upper backup pad 16, lower supporting plate
17, pillar 18, locating piece 19, screw rod 20, handwheel 21, the centrally disposed through hole of lower supporting plate 17, lower supporting plate 17 is by through hole set
Putting in valve gap 2 upper end and be held on valve gap 2 tops bar, being threaded in lateral wall, valve gap 2 upper end, valve gap 2 upper end leads to
Crossing threaded coupling nut 22, nut 22 compresses lower supporting plate 17；Central through hole is set in the middle part of upper backup pad 16, solid in central through hole
Surely connecting swivel nut 23, screw rod 20 is threaded in swivel nut 23, is supported by two pillars 18 between upper and lower gripper shoe 16,17
Connecting, arrange locating piece 19 between two pillars 18, locating piece 19 is made up of two halves location-plate 24, and two halves location-plate 24 is from side
Face is fixed into locating piece 19 by bolt, nut, is respectively equipped with arc groove in the middle part of each location-plate 24, and two halves arc groove synthesizes
One bulb accommodates chamber, and two ends of each location-plate 19 are respectively provided with arcwall face 25, two location-plate 19 ends, the same side
Arcwall face pieces together a big cambered surface 26, and locating piece 19 two ends are coincide with two lateral braces 18 by big cambered surface, form location, lead
To；The upper end of valve rod 3 arranges bulb, the lower end of screw rod arranges bulb, and the upper end of valve rod, the lower end of screw rod pass through bulb respectively
The spacing bulb that is connected to accommodates intracavity；The free end of screw rod 20 is fixing connects handwheel 21.
Further arranging one section of pipe between valve gap 2 and valve body 1 connects 27, and one end that pipe connects 27 is tight with middle flange 9 end face
Close fit, pipe connects the other end of 27 and closely cooperates with valve gap 2 end face, and pipe connects 27 medial walls and two ends end face full lining fluoroplastic layer,
Being connected by stay bolt 28, nut 29 between valve gap 2 and the middle flange 9 of valve body 1, stay bolt 28 connects outside 27 through pipe；Middle method
Blue 9 end faces arrange a circle concave surface 30, and pipe connects 27 and fits snugly in concave surface 30；Pipe connects 27 effects having fixing corrugated tube, effectively
Prevent polytetrafluoroethylbellows bellows deformation from damaging, cause leakage, thus service life is longer.
Packing seal mechanism 11 is V-type multistage dense seal combination 31, V-type multistage dense seal combination 31 be arranged on valve gap 2 with
In stuffing-box 32 between valve rod 3, at the stuffing-box 32 threaded gland of opening part 33, 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.
Spool 4 includes that flap 34, flap 34 are coated with ptfe composite layer, and flap 34 is close with valve body 1 water channel
End-blocking face coordinates, and one end of polytetrafluoroethylbellows bellows 13 is welded as a whole with the ptfe composite layer of flap 34；
Cone, plane is used to seal structure between the seal face of flap 34 and valve body 1 water channel.
Claims (7)
1. fluoroplastic all-liner corrugated tube valve special for chlorine, including valve body, valve gap, valve rod, spool, described valve body includes import, goes out
Mouthful, described valve body is additionally provided with installation connector, and described import and export is respectively provided with flange, during described installation connector is arranged
Flange, the water channel stage casing between described valve body import and export is provided with the seal face coordinated with spool, and described spool is fixed on institute
Stating one end of valve rod, described spool is arranged in described valve body, and described spool closely cooperates with the seal face of described water channel, institute
Stating installation connector and pass through valve gap described in middle Flange joint, the one section of valve rod connecting described spool is arranged in described valve body, institute
State valve gap by bolt, nut and described middle flange are fixing is connected, described valve rod through bonnet central through hole, at described valve gap and
Between the top of institute's valve rod, packing seal mechanism is set；Phase is characterised by described valve body medial wall, middle end face of flange, interface method
Blue end face full lining fluoroplastic layer respectively；Polytetrafluoroethylbellows bellows, described polytetrafluoroethyl-ne are set on the valve rod in described valve body
Conflict, in described polytetrafluoroethylbellows bellows upper end with described with valve gap inner face, spool end respectively in alkene corrugated tube two ends
Sealing mechanism is set between valve gap.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 1, it is characterised in that in described valve gap and institute
Stating and arrange one section of pipe between valve body and connect, one end that described pipe connects closely cooperates with described middle end face of flange, described pipe connect another
End closely cooperates with described valve gap end face, and described pipe connects medial wall and two ends end face full lining fluoroplastics, described valve gap and described valve
Being connected by stay bolt, nut between the middle flange of body, stay bolt connects outside through described pipe.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 2, it is characterised in that described middle end face of flange
Arranging a circle concave surface, described pipe connects and fits snugly in described concave surface.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 1, it is characterised in that described packing seal machine
Structure is V-type multistage dense seal combination, and described V-type multistage dense seal combination is arranged on the stuffing-box between valve gap and described valve rod
In, at the threaded gland of stuffing-box opening part, gland compresses the combination of described V-type sealing ring in one's power, described filler
Gland is set on described valve rod.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 1, it is characterised in that described spool includes valve
Lobe, described flap is coated with ptfe composite layer, and described flap coordinates with described valve body water channel seal face, described
One end of polytetrafluoroethylbellows bellows is welded as a whole with the ptfe composite layer of described flap.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 1, it is characterised in that described flap is with described
Cone, plane is used to seal structure between the seal face of valve body water channel.
Fluoroplastic all-liner corrugated tube valve special for chlorine the most according to claim 1, it is characterised in that the upper end of described valve rod
Connecting valve rod lowering or hoisting gear, described valve rod lowering or hoisting gear includes upper backup pad, lower supporting plate, pillar, locating piece, screw rod, handwheel,
The centrally disposed through hole of described lower supporting plate, described lower supporting plate is nested with in described valve gap upper end by through hole and is held on valve gap
On topping bar, being threaded in lateral wall, described valve gap upper end, valve gap upper end is threaded connection nut, and nut compresses described
Lower supporting plate；Central through hole is set in the middle part of described upper backup pad, fixing connection swivel nut, described screw flight in described central through hole
Be connected in described swivel nut, supported by two described pillars between described upper and lower gripper shoe and connect, described two pillars it
Between locating piece is set, described locating piece is made up of two halves location-plate, and location-plate described in two halves is fixed sideways through bolt, nut
Becoming locating piece, be respectively equipped with arc groove in the middle part of each location-plate, two halves arc groove synthesizes a bulb and accommodates chamber, each location-plate
Two ends be respectively provided with arcwall face, the arcwall face of two location-plate ends, the same side pieces together a big cambered surface, described fixed
Block two ends, position are coincide with pillar described in both sides by big cambered surface, form location, guide；The upper end of described valve rod arranges bulb, institute
The lower end stating screw rod arranges bulb, and the upper end of described valve rod, the lower end of screw rod are connected to described bulb by bulb is spacing respectively
Accommodate intracavity；The free end of described screw rod is fixing connects described handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699231.5A CN106090380A (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699231.5A CN106090380A (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106090380A true CN106090380A (en) | 2016-11-09 |
Family
ID=58071028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699231.5A Pending CN106090380A (en) | 2016-08-22 | 2016-08-22 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106090380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641293A (en) * | 2017-02-24 | 2017-05-10 | 江苏金晟元特种阀门股份有限公司 | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve |
| CN107061857A (en) * | 2017-02-24 | 2017-08-18 | 江苏金晟元特种阀门股份有限公司 | Electronic Fluorine-lined bellows single-seat adjusting valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795134A (en) * | 1987-05-27 | 1989-01-03 | Huntington Mechanical Laboratories, Inc. | Valve with improved sealing properties |
| JPH08270831A (en) * | 1995-03-30 | 1996-10-15 | Yamatake Honeywell Co Ltd | Valve device |
| CN101457852A (en) * | 2008-12-15 | 2009-06-17 | 朱孝有 | Corrosion preventive and strength sealing intelligent control valve |
| CN101852309A (en) * | 2010-05-29 | 2010-10-06 | 朱孝有 | Fluoroplastic lining single-seat plunger type balance control valve |
| CN104500831A (en) * | 2014-07-15 | 2015-04-08 | 沈永增 | Special strong-poison composite bellows valve |
| CN206338461U (en) * | 2016-08-22 | 2017-07-18 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
-
2016
- 2016-08-22 CN CN201610699231.5A patent/CN106090380A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795134A (en) * | 1987-05-27 | 1989-01-03 | Huntington Mechanical Laboratories, Inc. | Valve with improved sealing properties |
| JPH08270831A (en) * | 1995-03-30 | 1996-10-15 | Yamatake Honeywell Co Ltd | Valve device |
| CN101457852A (en) * | 2008-12-15 | 2009-06-17 | 朱孝有 | Corrosion preventive and strength sealing intelligent control valve |
| CN101852309A (en) * | 2010-05-29 | 2010-10-06 | 朱孝有 | Fluoroplastic lining single-seat plunger type balance control valve |
| CN104500831A (en) * | 2014-07-15 | 2015-04-08 | 沈永增 | Special strong-poison composite bellows valve |
| CN206338461U (en) * | 2016-08-22 | 2017-07-18 | 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641293A (en) * | 2017-02-24 | 2017-05-10 | 江苏金晟元特种阀门股份有限公司 | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve |
| CN107061857A (en) * | 2017-02-24 | 2017-08-18 | 江苏金晟元特种阀门股份有限公司 | Electronic Fluorine-lined bellows single-seat adjusting valve |
| WO2018153203A1 (en) * | 2017-02-24 | 2018-08-30 | 江苏金晟元特种阀门股份有限公司 | Electric fluorine-lined corrugated pipe single-seat regulating valve |
| WO2018152947A1 (en) * | 2017-02-24 | 2018-08-30 | 江苏金晟元特种阀门股份有限公司 | Pneumatic fluorine-lined corrugated pipe single-seat regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5571585B2 (en) | High temperature valve | |
| CN107061857A (en) | Electronic Fluorine-lined bellows single-seat adjusting valve | |
| CN104903637B (en) | Combined type diaphragm piston actuator | |
| CN201129496Y (en) | Upper mounting type ball valve | |
| CN105673992B (en) | A kind of Pipe leakage stopper for including axial packing seal | |
| CN206338461U (en) | Fluoroplastic all-liner corrugated tube valve special for chlorine | |
| TWM453066U (en) | Filler assembly of 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 | |
| CN106090380A (en) | Fluoroplastic all-liner corrugated tube valve special for chlorine | |
| CN103759031A (en) | Fixed ball valve | |
| KR20190114387A (en) | swivel joint | |
| TW201430249A (en) | Valve | |
| CN108775406A (en) | High-performance nano coating corrugated tube valve special for chlorine | |
| CN209587216U (en) | A kind of fluid is selected to device | |
| CN111779842A (en) | Regulating valve for hot-melt salt | |
| CN207880085U (en) | Corrugated pipe chlorine Special cut-off valve | |
| CN207213622U (en) | The manual HTHP drainage spherical valve of the superior formula of sealing | |
| CN211145368U (en) | Multiple corrugated pipe stop valve | |
| CN106641293A (en) | Pneumatic fluorine-lined corrugated pipe single seat adjusting valve | |
| CN205446860U (en) | Ultra -low temperature upper assembling type welded ball valve | |
| RU2374540C1 (en) | Globe valve of ovander system | |
| CN201386797Y (en) | Explosion-proof two-position two-way fluid pneumatic control angle seat valve | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN207122608U (en) | It is a kind of can on-line maintenance upper dress formula fixing ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
|
| WD01 | Invention patent application deemed withdrawn after publication |