CN105889572B - A kind of sensitive pressure release disconnection device of high pressure - Google Patents

A kind of sensitive pressure release disconnection device of high pressure Download PDF

Info

Publication number
CN105889572B
CN105889572B CN201410557476.5A CN201410557476A CN105889572B CN 105889572 B CN105889572 B CN 105889572B CN 201410557476 A CN201410557476 A CN 201410557476A CN 105889572 B CN105889572 B CN 105889572B
Authority
CN
China
Prior art keywords
shell
check valve
valve assembly
spring
pressure release
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.)
Active
Application number
CN201410557476.5A
Other languages
Chinese (zh)
Other versions
CN105889572A (en
Inventor
丁继杰
路超
杨白鸽
侯云
余方正
陈正立
张淼
马斌
张晓磊
李志鹏
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.)
Henan Aerospace Hydraulic and Pneumatic Technology Co Ltd
Original Assignee
Henan Aerospace Hydraulic and Pneumatic 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 Henan Aerospace Hydraulic and Pneumatic Technology Co Ltd filed Critical Henan Aerospace Hydraulic and Pneumatic Technology Co Ltd
Priority to CN201410557476.5A priority Critical patent/CN105889572B/en
Publication of CN105889572A publication Critical patent/CN105889572A/en
Application granted granted Critical
Publication of CN105889572B publication Critical patent/CN105889572B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Check Valves (AREA)

Abstract

The invention discloses a kind of sensitive pressure release disconnection device of high pressure, including threeway pressure release component, install check valve assembly in the side of threeway pressure release component, the lower check valve assembly of side installation of upper check valve assembly, threeway pressure release component includes third shell, check valve assembly is installed in the side of third shell, and the other side of third shell opens up A imports.Design structure of the present invention uses modular design, is made of lower check valve assembly, upper check valve assembly, threeway pressure release component, can individually be assembled, be detected, and improves production efficiency, and repair is replaced conveniently.

Description

A kind of sensitive pressure release disconnection device of high pressure
Technical field
The present invention relates to a kind of pressure release disconnection device, more precisely a kind of sensitive pressure release disconnection device of high pressure.
Background technology
The sensitive pressure release disconnection device of high pressure is to realize high-pressure system rapid abutting joint, disengaging in high-pressure system, while ensureing both ends Sealing control element.It is mainly used in the fields such as high-pressure system, chemical industry, petroleum industry.It is wide due to high pressure technique The high pressure valve performance of general application, high-pressure system directly affects reliability, safety, working efficiency and the service life of system.
The sensitive pressure release disconnection device of high pressure mainly has lower check valve assembly, upper check valve assembly, threeway pressure release component three parts Composition, the main connection with pressure for completing high-pressure system and disengaging.In high-pressure system, due to pressure height, currently on the market disconnected Device is connect all to can not achieve high pressure connection with pressure and be detached from.Some can show connection with pressure, but volume is larger, and joint efficiency is low.This Design pressure height (45MPa), small can realize system quick connection with pressure and be detached from, joint efficiency is high.
Invention content
The object of the present invention is to provide a kind of sensitive pressure release disconnection device of high pressure, can solve the problem above-mentioned.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of sensitive pressure release disconnection device of high pressure, including threeway pressure release component, the side of threeway pressure release component are installed unidirectionally Valve module, the lower check valve assembly of side installation of upper check valve assembly, threeway pressure release component includes third shell, third shell Check valve assembly is installed in side, and the other side of third shell opens up A imports, is located at upper check valve assembly and A on third shell Three-way ball valve is installed, Handleset is installed in the side of three-way ball valve, and Handleset passes through third shell and three-way ball between import Valve coordinates, and third enclosure interior installs main valve seat, and main valve seat is located at three-way ball valve both sides, and third enclosure interior installs auxiliary-seat, Auxiliary-seat is located on the downside of three-way ball valve, and the installation of third lower part of the housing blocks, and blocks and is located at below auxiliary-seat, lower check valve assembly packet Second shell is included, second shell side coordinates with upper check valve assembly, and the other side of second shell opens up the outlets B, second shell Positioned at the outlets B side, baffle ring is set, spring base is installed in the side of baffle ring, and one end of the first spring is installed in the side of spring base, the It is located at the first spring side in two shells and spool is installed, the other end and the spool of the first spring coordinates, and upper check valve assembly includes First shell, first shell are internally located at the side installation valve component of lower check valve assembly, and valve component is towards lower check valve The side periphery of component is cased with third spring, one end connecting valve seat component of third spring, the other end connection of third spring the One shell, first shell are located at valve component side installation threeway pressure release component, and the outside of first shell is located at sliding sleeve one end and sets Set baffle ring.
In order to further realize the purpose of the present invention, following technical scheme can also be used:The third lower part of the housing peace Noise reduction lid is filled, noise reduction lid, which is located at, blocks lower section.Setting third O-ring and the second O-ring between the auxiliary-seat and blocking, second O-ring is located at auxiliary-seat periphery, and third O-ring is located at below auxiliary-seat.First O is set between the main valve seat and third shell Type circle.First O-ring is set between the main valve seat and third shell.The side of the first spring of direction of the spool opens up solid Determine slot, the other end and the fixing groove of the first spring coordinate.One end of the spring base towards the first spring is thinner, the first spring One end is placed on the periphery of the thinner one end of spring base.Two the 4th O-rings are set between the first shell and lower check valve assembly. It is located to place an order in the first shell and steel ball is installed to an example of valve module, the periphery of steel ball and lower check valve assembly coordinates.
The advantage of the invention is that:
Design structure of the present invention uses modular design, by lower check valve assembly, upper check valve assembly, threeway pressure release group Part forms, and can individually be assembled, be detected, and production efficiency is improved, and repair is replaced conveniently.The check-valves of general gas flow is all It is to be opened by the pressure of medium itself, the design uses external control type to design, by the open-top lower check valve of upper check valve assembly Component check-valves after disengaging, makes valve component reset to ensure the smooth circulation of gas by spring force itself.It is high to ensure The reliability and service life of sensitive pressure release disconnection device are pressed, can be securely connected and be detached under high-pressure system, the design Using three-way ball valve retain the pressure release of gas in disconnection device, while gas does not leak in guarantee system, due to before disengaging The high pressure gas of venting retention, to can guarantee that connector can be easily and safely detached from.The three-way ball valve of the present invention can rise To the effect of gas fast conducting and cut-off will be passed through.
The Handleset of the present invention can make operating personnel manually control the on and off of three-way ball valve.The master of the present invention Three-way ball valve can be stably fixed in third shell by valve seat and auxiliary-seat, keep three-way ball valve steady in third shell Fixed rotation.
Blocking for the present invention can slowly discharge the high pressure gas in upper check valve assembly.The present invention baffle ring can be Spring base provides support.The spring base of the present invention provides pedestal for the first spring, and the first spring gives a spool thrust always, makes Spool blocks gas circuit under quiescent condition.The outlets B of the present invention can be used for discharging high pressure gas.
The valve component of the present invention can block the gas circuit between upper check valve assembly and threeway pressure release component, prevent height Body of calming the anger is entered by threeway pressure release component in upper check valve assembly.
The third spring of the present invention can give one thrust of valve component always, make valve component under quiescent condition with three Pressure of removing heat by catharsis component separation, keeps the gas circuit between threeway pressure release component and upper check valve assembly unimpeded.
Upper check valve assembly can be connect by the sliding sleeve of the present invention with lower check valve assembly, when the downward check valve assembly of sliding sleeve Sliding sleeve depresses steel ball when one Slideslip, and the periphery of steel ball and lower check valve assembly coordinates at this time, by upper check valve assembly under Check valve assembly connection connection.The second spring of the present invention can give one thrust of sliding sleeve always, make to slide under quiescent condition Coordinate with steel ball.The present invention baffle ring can anti-anti-skid sheath slid from first shell.The present invention also have it is simple for structure it is compact, Manufacturing cost is cheap and uses easy advantage.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
One of Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the portions the I enlarged structure schematic diagram of Fig. 1;
Fig. 3 is the second structural representation of the present invention;
Fig. 4 is the portions the II enlarged structure schematic diagram of Fig. 3;
Fig. 5 is the third structural representation of the present invention;
Fig. 6 is the portions the III enlarged structure schematic diagram of Fig. 5.
Mark component:34 Handleset of threeway pressure release component of check valve assembly, 5 bracing ring on 1 time check valve assembly 2 6 third shell, 7 main valve seat, 8 three-way ball valve 9A imports, 10 first 11 second O-ring of O-ring, 12 third O-ring 13 blocks 14 noise reduction lid 15B export 16 baffle ring, 17 21 air channel of spring base 18 first spring, 19 fixing groove, 20 spool, 22 auxiliary-seat 23 baffle ring, 24 sliding sleeve, 25 steel ball, the 26 28 third spring of the 4th O-ring of second spring 27,29 valve component, 30 second shell 31 first shells.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
A kind of sensitive pressure release disconnection device of high pressure, shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, including threeway pressure release group Install check valve assembly 2, the lower check valve assembly of side installation of upper check valve assembly 2 in the side of part 3, threeway pressure release component 3 1, threeway pressure release component 3 includes third shell 6, and check valve assembly 2 is installed in the side of third shell 6, third shell 6 it is another Side opens up A imports 9, and three-way ball valve 8, three-way ball valve 8 are installed between upper check valve assembly 2 and A imports 9 on third shell 6 Side Handleset 4 is installed, Handleset 4 passes through third shell 6 and three-way ball valve 8 to coordinate, 6 inside installation master of third shell Valve seat 7, main valve seat 7 are located at 8 both sides of three-way ball valve, and auxiliary-seat 22 is installed in 6 inside of third shell, and auxiliary-seat 22 is located at three-way ball valve 8 downsides, the installation of 6 lower part of third shell block 13, block 13 and are located at 22 lower section of auxiliary-seat, lower check valve assembly 1 includes second shell Body 30,30 side of second shell coordinate with upper check valve assembly 2, and the other side of second shell 30 opens up the outlets B 15, second shell 30, which are located at B, exports 15 sides setting baffle ring 16, and spring base 17 is installed in the side of baffle ring 16, and the first bullet is installed in the side of spring base 17 Spool 20, the other end and spool of the first spring 18 are installed in one end of spring 18, interior 18 side of the first spring that is located at of second shell 30 20 cooperations, upper check valve assembly 2 include first shell 31, and first shell 31 is internally located at the side installation valve of lower check valve assembly 1 The side periphery of holder assembly 29, valve component 29 towards lower check valve assembly 1 is cased with third spring 28, one end of third spring 28 The other end of connecting valve seat component 29, third spring 28 connects first shell 31, and first shell 31 is located at 29 side of valve component Threeway pressure release component 3 is installed, the outside of first shell 31 is located at 24 one end of sliding sleeve setting baffle ring 23.The present invention is supplied to system When, lower check valve assembly 1 is docked with threeway pressure release component 3, while the valve of the open-top upper check valve assembly of lower check valve assembly 12 Core, the steel ball of upper check valve assembly 2 are stuck in the periphery of 1 first shell of lower check valve assembly, prevent upper check valve assembly 2 under high pressure It falls off with lower check valve assembly 1, is sealed by the 4th O-ring of twice between upper check valve assembly 2 and lower check valve assembly 1, Prevent high pressure gas from leaking, system under band pressure condition of completing connects.After the completion of connection, 4 to 90 ° of Handleset is rotated clockwise, Three-way ball valve connects upper check valve assembly 2 and lower check valve assembly 1, and system mesohigh gas is passed through from A imports, passes through threeway Ball valve, upper check valve assembly 2 opens the spool of lower check valve assembly 1, to system for high pressure gas.After completing gas supply, counterclockwise 4 to 90 ° of direction rotational handle component, upper check valve assembly 2 is connected with blocking, between lower 1 spool of check valve assembly and three-way ball valve High pressure gas, while the spherical valve of three-way ball valve seals the gas of gas source inlet, while the spool of lower check valve assembly 1 is in bullet Spring force automatically resets under the action of gas pressure, seals the gas of system after gas supply.After pressure release, lower check valve is slided to the right The sliding sleeve of component 1, compressed spring, until steel ball is detached from the periphery of lower check valve assembly 1, make lower check valve assembly 1 with it is upper unidirectional Valve module 2 is detached from.
The three-way ball valve 8 of the present invention can play the role of will be by gas fast conducting and cut-off.The handle of the present invention Component 4 can make operating personnel manually control the on and off of three-way ball valve 8.The main valve seat 7 and auxiliary-seat 22 of the present invention can Three-way ball valve to be stably fixed in third shell 6, allow the rotation of three-way ball valve stabilization in third shell 6.This The blocking 13 of invention can slowly discharge the high pressure gas in upper check valve assembly 2.
The baffle ring 16 of the present invention can be that spring base 17 provides support.The spring base 17 of the present invention is that the first spring 18 provides Pedestal, the first spring 18 give 20 1 thrusts of spool, spool 20 are made to block gas circuit under quiescent condition always.The B of the present invention goes out Mouth 15 can be used for discharging high pressure gas.
The valve component 29 of the present invention can block the gas circuit between upper check valve assembly 2 and threeway pressure release component 3, prevent Only high pressure gas is entered by threeway pressure release component 3 in upper check valve assembly 2.The third spring 28 of the present invention can give valve seat always 29 1 thrusts of component, make valve component 29 be detached with threeway pressure release component 3 under quiescent condition, make threeway pressure release component 3 with Gas circuit between upper check valve assembly 2 is unimpeded.The sliding sleeve 24 of the present invention can be by upper check valve assembly 2 and lower check valve assembly 1 Connection, when 24 downward 1 one Slideslip of check valve assembly of sliding sleeve, sliding sleeve 24 depresses steel ball 25, at this time steel ball 25 and lower check valve The periphery of component 1 coordinates, and upper check valve assembly 2 is connect connection with lower check valve assembly 1.The second spring 26 of the present invention can be with Always 24 1 thrusts of sliding sleeve are given, sliding sleeve 24 is made to coordinate with steel ball 25 under quiescent condition.The baffle ring 23 of the present invention can prevent Sliding sleeve 24 slides from first shell 31.
Design structure of the present invention uses modular design, by lower check valve assembly 1, upper check valve assembly 2, threeway pressure release Component 3 forms, and can individually be assembled, be detected, and production efficiency is improved, and repair is replaced conveniently.The check-valves of general gas flow All it is to be opened by the pressure of medium itself, the design uses external control type to design, open-top lower unidirectional by upper check valve assembly 2 1 check-valves of valve module after disengaging, makes valve component reset to ensure the smooth circulation of gas by spring force itself.To ensure The reliability and service life of the sensitive pressure release disconnection device of high pressure, can be securely connected and be detached under high-pressure system, originally be set Meter using three-way ball valve retain the pressure release of gas in disconnection device, while gas does not leak in guarantee system, due to being detached from The high pressure gas of preceding venting retention, to can guarantee that connector can be easily and safely detached from.
6 lower part of the third shell installation noise reduction lid 14, noise reduction lid 14, which is located at, blocks 13 lower sections.Noise reduction lid 14 can reduce The noise generated when blocking high pressure in the upper check valve assembly 2 of 13 releases.
Setting third O-ring 12 and the second O-ring 11, the second O-ring 11 are located between the auxiliary-seat 22 and blocking 13 22 periphery of auxiliary-seat, third O-ring 12 are located at 22 lower section of auxiliary-seat.
The second O-ring 11 and third O-ring 12 of the present invention can be sealed by auxiliary-seat 22 and between blocking 13, avoid working as When blocking high pressure in the upper check valve assembly 2 of 13 releases, high pressure gas is escaped by blocking 13 sides.
First O-ring 10 is set between the main valve seat 7 and third shell 6.The first O-ring 10 of the present invention can be by master It is sealed between valve seat 7 and third shell 6, prevents high pressure gas from passing through the gap between main valve seat 7 and third shell 6.
The side of the first spring of direction 18 of the spool 20 opens up fixing groove 19, the other end of the first spring 18 and fixation Slot 19 coordinates.The fixing groove 19 of the present invention can limit the swing of the first spring 18, prevent the first spring 18 sliding on spool 20 It is de-.
One end of the spring base 17 towards the first spring 18 is thinner, and one end of the first spring 18 is placed on spring base 17 relatively carefully The periphery of one end.17 thinner one end of spring base of the present invention can play guiding role to the first spring 18, avoid the first spring The displacement of the 18 vertical force directions generated in by compression process.
Two the 4th O-rings 27 are set between the first shell 31 and lower check valve assembly 1.The 4th of the present invention is O-shaped Circle 27 can improve the leakproofness of first shell 31 and lower check valve assembly 1.
It is located to place an order in the first shell 31 and steel ball 25, steel ball 25 and lower unidirectional valve group is installed to the side of valve module 1 The periphery of part 1 coordinates.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (8)

1. a kind of sensitive pressure release disconnection device of high pressure, it is characterised in that:Including threeway pressure release component (3), threeway pressure release component (3) Install check valve assembly (2), the lower check valve assembly (1) of side installation of upper check valve assembly (2), threeway pressure release component in side (3) include third shell (6), check valve assembly (2) is installed in the side of third shell (6), and the other side of third shell (6) is opened If A imports (9), three-way ball valve (8), threeway are installed between upper check valve assembly (2) and A imports (9) on third shell (6) The side installation Handleset (4) of ball valve (8), Handleset (4) pass through third shell (6) to coordinate with three-way ball valve (8), third Installation main valve seat (7) inside shell (6), main valve seat (7) are located at three-way ball valve (8) both sides, secondary valve are installed inside third shell (6) Seat (22), auxiliary-seat (22) are located on the downside of three-way ball valve (8), and the installation of third shell (6) lower part blocks (13), block (13) and are located at Below auxiliary-seat (22), lower check valve assembly (1) includes second shell (30), second shell (30) side and upper check valve assembly (2) coordinate, the other side of second shell (30) opens up the outlets B (15), and second shell (30) is located at the outlets B (15) side setting gear It encloses (16), one end of the first spring (18) is installed in the side installation spring base (17) of baffle ring (16), the side of spring base (17), the It is located at the first spring (18) side installation spool (20) in two shells (30), the other end and the spool (20) of the first spring (18) are matched It closes, upper check valve assembly (2) includes first shell (31), and first shell (31) is internally located at the side of lower check valve assembly (1) Valve component (29) is installed, the side periphery of valve component (29) towards lower check valve assembly (1) is cased with third spring (28), the One end connecting valve seat component (29) of three springs (28), the other end connection first shell (31) of third spring (28), first shell Body (31) is located at valve component (29) side installation threeway pressure release component (3), and the outer sheath of first shell (31) is equipped with sliding sleeve (24), the outside of first shell (31) is located at sliding sleeve (24) one end setting baffle ring (23), first shell (31) and sliding sleeve (24) it Between be equipped with always can be to sliding sleeve thrust so as to slide over the second spring (26) coordinated with steel ball under quiescent condition.
2. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:Third shell (6) the lower part peace Noise reduction lid (14) is filled, noise reduction lid (14), which is located at, to be blocked below (13).
3. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:The auxiliary-seat (22) and blocking Between setting third O-ring (12) and the second O-ring (11), the second O-ring (11) be located at auxiliary-seat (22) periphery, third O-ring (12) it is located at below auxiliary-seat (22).
4. according to the sensitive pressure release disconnection device of high pressure that claim 1 is stated, it is characterised in that:The main valve seat (7) and third shell (6) the first O-ring (10) is set between.
5. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:The direction first of the spool (20) The side of spring (18) opens up fixing groove (19), and the other end and the fixing groove (19) of the first spring (18) coordinate.
6. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:Spring base (17) direction first One end of spring (18) is thinner, and one end of the first spring (18) is placed on the periphery of spring base (17) thinner one end.
7. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:The first shell (31) with place an order To two the 4th O-rings (27) of setting between valve module (1).
8. the sensitive pressure release disconnection device of high pressure according to claim 1, it is characterised in that:It is located on the first shell (31) The side installation steel ball (25) of lower check valve assembly (1), steel ball (25) and the periphery of lower check valve assembly (1) coordinate.
CN201410557476.5A 2014-10-16 2014-10-16 A kind of sensitive pressure release disconnection device of high pressure Active CN105889572B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410557476.5A CN105889572B (en) 2014-10-16 2014-10-16 A kind of sensitive pressure release disconnection device of high pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410557476.5A CN105889572B (en) 2014-10-16 2014-10-16 A kind of sensitive pressure release disconnection device of high pressure

Publications (2)

Publication Number Publication Date
CN105889572A CN105889572A (en) 2016-08-24
CN105889572B true CN105889572B (en) 2018-10-16

Family

ID=57001366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410557476.5A Active CN105889572B (en) 2014-10-16 2014-10-16 A kind of sensitive pressure release disconnection device of high pressure

Country Status (1)

Country Link
CN (1) CN105889572B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110185819B (en) * 2019-06-24 2024-04-26 派罗(廊坊)机器人科技有限公司 Stop valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619739A1 (en) * 1986-06-12 1987-12-17 Seppelfricke Geb Gmbh Screwed pipe connection capable of being shut off and having an emptying facility
DE3739039A1 (en) * 1986-11-17 1988-05-19 Claber Spa TWO-WAY CONNECTOR WITH INDEPENDENT CONTROL VALVES FOR TAP
CN2093281U (en) * 1991-03-23 1992-01-15 刘洪涛 Ball valve for manometer
DE4316604A1 (en) * 1993-05-18 1994-11-24 Franz Schuck House entry combination for piping gas into a building
CN202109130U (en) * 2011-06-16 2012-01-11 杨丽梅 Valve core structure of quick coupling of fluid pipeline
CN204328079U (en) * 2014-10-16 2015-05-13 河南航天液压气动技术有限公司 The sensitive pressure release disconnect of a kind of high pressure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3983713B2 (en) * 2002-06-28 2007-09-26 日東工器株式会社 Pipe fitting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619739A1 (en) * 1986-06-12 1987-12-17 Seppelfricke Geb Gmbh Screwed pipe connection capable of being shut off and having an emptying facility
DE3739039A1 (en) * 1986-11-17 1988-05-19 Claber Spa TWO-WAY CONNECTOR WITH INDEPENDENT CONTROL VALVES FOR TAP
CN2093281U (en) * 1991-03-23 1992-01-15 刘洪涛 Ball valve for manometer
DE4316604A1 (en) * 1993-05-18 1994-11-24 Franz Schuck House entry combination for piping gas into a building
CN202109130U (en) * 2011-06-16 2012-01-11 杨丽梅 Valve core structure of quick coupling of fluid pipeline
CN204328079U (en) * 2014-10-16 2015-05-13 河南航天液压气动技术有限公司 The sensitive pressure release disconnect of a kind of high pressure

Also Published As

Publication number Publication date
CN105889572A (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CN204387696U (en) Pipeline gas leak detecting device
WO2015052499A3 (en) Intervention system and apparatus
CN105889572B (en) A kind of sensitive pressure release disconnection device of high pressure
RU2012157369A (en) CONNECTING DEVICE AND METHOD FOR REDUCING THE ENVIRONMENTAL LEAKAGE THROUGH THE CONNECTING DEVICE
CN102011879B (en) Oxygen valve
CN208738809U (en) A kind of pipeline sealing device
CN106092470A (en) Pressure reaction still leak detector
CN102792137B (en) Measuring needle with non return valve function
CN204328079U (en) The sensitive pressure release disconnect of a kind of high pressure
CN203857059U (en) Novel stop valve
CN106090354A (en) The gas trap that a kind of safety is high
CN109854962A (en) The experimental rig estimated suitable for Pipeline Leak risk
CN207921586U (en) Gas pipeline is creeped detection device
CN204176032U (en) A kind of high-voltage-stable pressure release disconnect
CN106151609B (en) Water route extends check valve, integrating water route plate and water purifier
CN204387544U (en) A kind of medical gas supply terminal unit with filtrating equipment
CN204176031U (en) The convenient pressure release disconnect of a kind of high pressure
CN204039423U (en) Blast furnace open circuit water port recoil tightness system
CN206860968U (en) Axial flow type check valve
CN105719705A (en) Outlet connection pipe in pressurized water reactor integral hydraulic simulation test
CN207486155U (en) Safety valve and water heater
CN206159691U (en) Sulfur hexafluoride mends gas shift piecing devices fast
CN110410596A (en) A kind of chemical pipeline adapter tube uses safety protection component
CN202629205U (en) Natural gas pipeline leakage protective valve
CN105987243A (en) Rapidly-mounted sealing connecting device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant