CN103939619B - Modular differential pressure bottle valve - Google Patents

Modular differential pressure bottle valve Download PDF

Info

Publication number
CN103939619B
CN103939619B CN201310294570.1A CN201310294570A CN103939619B CN 103939619 B CN103939619 B CN 103939619B CN 201310294570 A CN201310294570 A CN 201310294570A CN 103939619 B CN103939619 B CN 103939619B
Authority
CN
China
Prior art keywords
valve
plug
bottle
piston
valve body
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
CN201310294570.1A
Other languages
Chinese (zh)
Other versions
CN103939619A (en
Inventor
李海波
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.)
Shanghai Jinluo safety equipment Co.,Ltd.
Original Assignee
SHANGHAI JINLUO OCEAN ENGINEERING 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 SHANGHAI JINLUO OCEAN ENGINEERING Co Ltd filed Critical SHANGHAI JINLUO OCEAN ENGINEERING Co Ltd
Priority to CN201310294570.1A priority Critical patent/CN103939619B/en
Publication of CN103939619A publication Critical patent/CN103939619A/en
Application granted granted Critical
Publication of CN103939619B publication Critical patent/CN103939619B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/30Lift 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 specially adapted for pressure containers
    • F16K1/304Shut-off valves with additional means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/30Lift 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 specially adapted for pressure containers
    • F16K1/308Connecting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a kind of modular differential pressure bottle valve, including valve body, valve port, and it is arranged on the piston of valve inner, it is provided above crown cap at valve body, top cap is internally provided with needle-valve, the side of piston is provided with stria in the axial direction, in the side of valve body, just slot position to piston be provided with and take gas plug, the side of valve body is provided with rupture disk unit, monitor plug, electromagnetic valve plug, Pressure gauge plug.Bottle valve of the present invention can realize several functions, safeguards and updates convenient, and when discharging article in bottle, ejected matter is uniform, uses reliable.

Description

Modular differential pressure bottle valve
Technical field
The present invention relates to high pressure holding bottle apparatus field, relate to a kind of modular differential pressure bottle valve.
Background technology
At present, bottle valve traditional on market is mainly made up of valve body, piston, valve gap, gland and diaphragm of releasing, need when starting such bottle valve to rely on external force to puncture diaphragm of releasing, the gas upwards QI invigorating of the endoporus on piston base in bottle, endoporus QI invigorating speed is reduced owing to endoporus being provided with steel wire, QI invigorating speed is broken formation pressure difference much smaller than venting speed, piston two-way pressure balance, the piston of bottle valve moves thus discharges the medium in gas cylinder.Diaphragm structure is punctured owing to have employed, traditional bottle valve in use needs repeatedly to change diaphragm, use and maintenance process is more complicated, diaphragm produces gas leak after puncturing always, it is not easily controlled gas flow, cause the most unreliable of conventional bottles head valve, simultaneously because diaphragm is usually stainless steel material, just can puncture when needing external force bigger, when electromagnetic start uses normal coil, power demand is bigger, and suitable explosion-proof firing pin type trigger cannot be provided, in petrochemical industry, offshore oil or the occasion of other Dangerous Places required application explosion-proof type electromagnetic starter, conventional bottles head valve cannot be suitable for.And, Pressure gauge is generally assemblied on pneumatic head by traditional bottle valve, and compress gasket seal realization compression sealing through binding nut, connect or isolated pressure table by screwing or unclamping binding nut, it is contemplated that problems such as the sealing properties of pad, traditional bottle valve is often only suitable for when checking gas pressure of the inside of a bottle unclamping binding nut, screws the most always, Pressure gauge does not show force value with gas cylinder isolation, and this causes a certain degree of inconvenience to user in productive life.Simultaneously; explosion tap structure on traditional bottle valve is rupture disk and pad; protection is realized by compressing rupture disk and pad; in advance the medium in bottle is attached with other conveyance conduits owing to cannot realize during explosion; so directly can only release in this locality by the medium in bottle under extreme case, this measure easily causes steel cylinder storage place potential safety hazard and chemical contamination.Conventional bottles head valve there is also many places and uses the defect of sealing ring, typically at least needs to arrange 7 road sealing rings inside a conventional bottles head valve, and seal point causes leakage point many too much, is susceptible to gas leakage, and it was found that cannot Solve on site during gas leakage.Conventional bottles head valve does not has relevant interface connection monitoring device to monitor pressure of the inside of a bottle change yet, it is impossible to be applicable to stricter commercial production application.
Summary of the invention
It is an object of the invention to: the defect existed for above-mentioned conventional bottles head valve, it is provided that a kind of modular differential pressure bottle valve, use modular designs based on the miniature needle-valve of technical grade, can configure according to the demand of user and install, realizing multiple purpose, be difficult to reveal, maintenance updates convenient.
To achieve these goals, the technical scheme is that
A kind of modular differential pressure bottle valve, including valve body, it is arranged on the valve port of valve body side, and it is arranged on the piston of valve inner, it is characterized in that, it is provided above crown cap at valve body, inside top cap, it is provided with needle-valve on the top cavity of piston, the side of piston is provided with stria along cross-sectional direction, side at valve body, the just slot position to piston is provided with and takes gas plug, take and on gas plug, be provided with the plug screw adapted with stria specification, rupture disk unit it is provided with below the side of valve body, the base of piston arranges pore or opening is set, opening is provided with steel wire to reduce circulation aperture, below valve body, gas cylinder contact portion is provided with screw thread and sealing ring, wherein, monitor plug it is additionally provided with below the side of valve body, Pressure gauge plug, the side of valve body is arranged above electromagnetic valve plug.
Described monitor plug, electromagnetic valve plug, Pressure gauge plug all use needle-valve module to replace, and described needle-valve module includes needle-valve and needle-valve module body.
As a kind of preferred version, the needle-valve module of the present invention can be combined with thimble module, and thimble module includes thimble and thimble module body, and thimble module can screw in during use needle-valve module, needle-valve is backed down by thimble, and the gas in gas cylinder can be made to be passed in the cavity of thimble module.
As a kind of preferred version, the rupture disk unit of the present invention includes explosion plug and explosion plug screw.
As a kind of preferred version, an O RunddichtringO it is horizontally arranged with below the top cap of the present invention, the upper end of described piston is vertically provided with the 2nd O RunddichtringO, and the lower end of piston is horizontally arranged with the 3rd O RunddichtringO, and piston bottom end is vertically provided with the 4th O RunddichtringO.
As a kind of preferred version, between piston and the top cap of the present invention, it is additionally provided with spring.
As a kind of preferred version, the manufacture material of the bottle valve of the present invention can be carbon steel, copper alloy or rustless steel.
Alternatively, valve body and the valve port of the bottle valve of the present invention can use one piece casting or split air conditioner processing mode manufacture.
Owing to have employed above technical scheme, the invention has the beneficial effects as follows:
Compared with conventional bottles head valve, bottle valve of the present invention can realize several functions, can coordinate and realize that anti-explosion is electromagnetic starts, pressure of the inside of a bottle monitors, show pressure of the inside of a bottle for a long time, Pressure gauge, electromagnetic valve and the monitor that adaptation is specified, and electromagnetic valve and monitor are changed in medium, replacing Pressure gauge and needle-valve, detection in the supplementary bottle in the scene that realizes, water conservancy diversion etc. after explosion, substantially increase the suitability of bottle valve and safeguard renewal convenience, and in bottle valve of the present invention release bottle, during article, ejected matter is uniform, uses reliable.
Accompanying drawing explanation
Fig. 1 is the front cut-away view of the present invention.
Fig. 2 is the side sectional view of the present invention.
Fig. 3 is needle-valve module sectional view.
Fig. 4 is thimble module sectional view.
Fig. 5 is rupture disk unit sectional view.
Labelling in figure: 1-valve body, 2-valve port, 3-top cap, 4-needle-valve, 5-piston, 6-base, 7-monitor plug, 8-electromagnetic valve plug, 9-Pressure gauge plug, 10-rupture disk unit, 11-takes gas plug, 12-needle-valve, 13-needle-valve module body, 14-thimble, 15-thimble module body, 16-explosion plug, 17-explosion plug screw, 18-the oneth O RunddichtringO, 19-the 2nd O RunddichtringO, 20-the 3rd O RunddichtringO, 21-the 4th O RunddichtringO
Detailed description of the invention
Embodiment 1:
nullWith reference to Fig. 1、Fig. 2、Fig. 3、Fig. 4、Fig. 5,Modular differential pressure bottle valve of the present invention,Including valve body 1、It is arranged on the valve port 2 of valve body 1 side,And it is arranged on the piston 5 within valve body 1,It is characterized in that,It is provided above crown cap 3 at valve body 1,Top cap 3 is internal、It is provided with needle-valve 4 on the top cavity of piston 5,The side of piston 5 is provided with stria along cross-sectional direction,Side at valve body 1、The just slot position to piston 5 is provided with and takes gas plug 11,Take and on gas plug 11, be provided with the plug screw adapted with stria specification,Rupture disk unit 10 it is provided with below the side of valve body 1,The base 6 of piston 5 arranges pore or opening is set,Opening is provided with steel wire to reduce circulation aperture,Below valve body 1, gas cylinder contact portion is provided with screw thread and sealing ring,Wherein,Monitor plug 7 it is additionally provided with below the side of valve body 1、Pressure gauge plug 9,The side of valve body 1 is arranged above electromagnetic valve plug 8,Described monitor plug 7、Electromagnetic valve plug 8、Pressure gauge plug 9 all uses needle-valve module to replace,Described needle-valve module includes needle-valve 12 and needle-valve module body 13.The needle-valve module of the present invention can be combined with thimble module, described thimble module includes thimble 14 and thimble module body 15, in order to make the gas in gas cylinder be passed in the cavity of thimble module, the rupture disk unit 10 of the present invention includes explosion plug 16 and explosion plug screw 17, it is horizontally arranged with an O RunddichtringO 18 below the top cap 3 of the present invention, the upper end of piston 5 is vertically provided with the 2nd O RunddichtringO 19, the lower end of piston 5 is horizontally arranged with the 3rd O RunddichtringO 20, piston 5 bottom is vertically provided with the 4th O RunddichtringO 21, the manufacture material of bottle valve of the present invention is carbon steel, the valve body of bottle valve and valve port use one piece casting.
First bottle valve of the present invention is connected on gas cylinder by bottom thread, by external air source pressurization and the opening regulation effect of piston base 6, piston 5 is compressed to bottom, the gentle pressure of the inside of a bottle of piston 5 upper cavity balances, again through the 3rd O RunddichtringO the 20, the 4th O RunddichtringO 21 twice isolating seal, serve the effect closing bottle valve.
In use; the thimble that would generally take manual starter, air starter or motor starter clashes into; thimble moves down the valve rod acting on needle-valve 4; needle-valve 4 is opened; cavity and ft connection above piston 5; produce slowly venting; owing to arranging opening on base 6; and opening is provided with steel wire to reduce circulation aperture; QI invigorating speed below piston 5 is lost heart speed less than top; piston 5 is upwards moved under the effect of pressure difference, finally opens valve port 2, and in bottle, gas and medium spray through valve port 2.
When needs use Pressure gauge to check pressure of the inside of a bottle, Pressure gauge is connected through needle-valve module and miniature thimble with valve body, and when screwing Pressure gauge, Pressure gauge connects the built-in thimble of end and backs down needle-valve 12, in bottle, medium connects with Pressure gauge, it is achieved force value in long-term display bottle.When Pressure gauge be damaged need to change time, Pressure gauge is unscrewed, its interior miniature thimble no longer acts on needle-valve 12, needle-valve module self-closed, does not results in gas leak, is connected use with miniature thimble and needle-valve module again after changing Pressure gauge.
When needs use pressure monitor, the connection end of thimble module with monitor can be directly connected to, it is also possible to by metal tube and high-pressure hose and monitor joint compact siro spinning technology.When being screwed with the needle-valve module replacing monitor plug 7 by thimble module, thimble 14 backs down needle-valve 12, and in bottle, medium connects with monitor, it is achieved monitored for prolonged periods of time pressure of the inside of a bottle value.When monitor be damaged need to change time, first thimble module is unscrewed, in it, thimble 14 no longer acts on needle-valve 12, needle-valve module self-closed, does not results in gas leak, is connected use again with thimble module after changing monitor.Easily being realized installation and removal by this kind of mode, present invention is particularly suitable for the explosion-proof type pressure monitor that overall dimensions is bigger, maintenance is convenient and swift.
When special occasions needs to use electromagnetic valve to start or explosion-proof type electromagnetic valve starts, the present invention is equally applicable, the joint of electromagnetic valve is connected with thimble module, thimble module is screwed in the needle-valve module that substituted for electromagnetic valve plug 8 again, thimble 14 in thimble module acts on needle-valve 12, needle-valve is opened, medium and electromagnetic valve inner space in bottle.When electromagnetic valve is for cutting out, bearing high pressure, when providing actuating signal, electromagnetic valve is opened, and valve pocket pressure reduces rapidly with aerofluxus, and bottle valve is opened.When electromagnetic valve needs regular maintenance, unscrew thimble module needle-valve 12 and i.e. close, now electromagnetic valve can be carried out maintenance work.
When needs carry out diaphragm explosion with bottle of releasing in material time, the present invention can select this locality to release or be guided to safety zone to release as required.When explosion plug 16 be spun on explosion plug screw 17 do not hinder release time, i.e. explosion plug screw 17 plane is concordant with explosion plug 16 outer face, and in bottle, medium can realize this locality and release by the aperture on explosion plug screw 17.When explosion plug screw 17 is directly connected to pipe joint, i.e. explosion plug 16 is replaced by pipeline nipple and is connected with bleeder pipe terminal.This pipe joint being threaded to explosion plug screw 17 thread root, blocks aperture of releasing thereon, medium of releasing can be guided to safety zone by pipeline and discharge.
nullOwing to the top of the present invention have employed integral design,And reinforced by two seals circle,So the top of the present invention occurs gas leakage probability the least,Usually piston 5 lower end causes gas leakage owing to O or needle-valve damage under relatively small probability,Need to change element and to when carrying out QI invigorating in bottle,First the plug screw taken on gas plug 11 can be screwed in the stria on piston 5 side,Lock piston 5 is no longer moved,Then the element of damage is replaced,The plug screw taken on gas plug 11 is screwed out stria,Then the breather line of thimble module with on-the-spot QI invigorating gas cylinder is connected,It is connected with modular differential pressure bottle valve of the present invention through top cap 3 hickey or electromagnetic valve plug 8,Carry out slow QI invigorating,When gas pressure of the inside of a bottle reaches top and the bottom pressure balance through the opening of base 6,After Pressure gauge confirms to reach predetermined value,The plug screw taken on gas plug 11 is screwed out stria,QI invigorating terminates.
Bottle valve of the present invention can realize several functions, can coordinate and realize that anti-explosion is electromagnetic starts, pressure of the inside of a bottle monitors, show pressure of the inside of a bottle for a long time, and realize scene replacing Pressure gauge, water conservancy diversion etc. after explosion, substantially increase the suitability of bottle valve and safeguard renewal convenience, and in bottle valve of the present invention release bottle, during article, ejected matter is uniform, uses and installs reliably.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.

Claims (8)

1. a modular differential pressure bottle valve, including valve body (1), the valve port (2) that is arranged on valve body (1) side, and is arranged At the piston (5) that valve body (1) is internal, it is characterized in that, be provided above crown cap (3), in top cap (3) at valve body (1) Portion, piston (5) top cavity on be provided with needle-valve (4), the side of piston (5) is provided with stria along cross-sectional direction, It is provided with in the side of valve body (1), just slot position to piston (5) and takes gas plug (11), take and set on gas plug (11) It is equipped with the plug screw adapted with stria specification, below the side of valve body (1), is provided with rupture disk unit (10), in piston (5) Base (6) on pore is set or opening is set, opening is provided with steel wire with reduce circulation aperture, valve body (1) Lower section and gas cylinder contact portion are provided with screw thread and sealing ring, wherein, are additionally provided with monitor below the side of valve body (1) Plug (7), Pressure gauge plug (9), the side of valve body (1) is arranged above electromagnetic valve plug (8).
Bottle valve the most according to claim 1, is characterized in that, described monitor plug (7), electromagnetic valve plug (8), Pressure gauge plug (9) all uses needle-valve module to replace, and described needle-valve module includes needle-valve (12) and needle-valve module body (13).
Bottle valve the most according to claim 2, is characterized in that, described needle-valve module can be combined with thimble module, described Thimble module includes thimble (14) and thimble module body (15), in order to make the gas in gas cylinder be passed into thimble module In cavity.
Bottle valve the most according to claim 2, is characterized in that, described rupture disk unit (10) includes explosion plug (16) With explosion plug screw (17).
Bottle valve the most according to claim 2, is characterized in that, it is close that described top cap (3) lower section is horizontally arranged with an O type Seal (18), the upper end of described piston (5) is vertically provided with the 2nd O RunddichtringO (19), and the lower end of piston (5) is horizontal Being provided with the 3rd O RunddichtringO (20), piston (5) bottom is vertically provided with the 4th O RunddichtringO (21).
Bottle valve the most according to claim 2, is characterized in that, is additionally provided with between described piston (5) and top cap (3) Spring.
Bottle valve the most according to claim 2, is characterized in that, the manufacture material of described bottle valve can be carbon steel, copper conjunction Gold or rustless steel.
Bottle valve the most according to claim 2, is characterized in that, the valve body of described bottle valve and valve port can use overall casting Make or split air conditioner processing mode manufacture.
CN201310294570.1A 2013-07-12 2013-07-12 Modular differential pressure bottle valve Active CN103939619B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310294570.1A CN103939619B (en) 2013-07-12 2013-07-12 Modular differential pressure bottle valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310294570.1A CN103939619B (en) 2013-07-12 2013-07-12 Modular differential pressure bottle valve

Publications (2)

Publication Number Publication Date
CN103939619A CN103939619A (en) 2014-07-23
CN103939619B true CN103939619B (en) 2016-09-14

Family

ID=51187420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310294570.1A Active CN103939619B (en) 2013-07-12 2013-07-12 Modular differential pressure bottle valve

Country Status (1)

Country Link
CN (1) CN103939619B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762917B (en) * 2017-03-10 2018-09-18 湖南鸿辉科技有限公司 A kind of big flow explosion-proof valve and working method
CN106880917A (en) * 2017-04-13 2017-06-23 上海金洛海洋工程有限公司 Automatic security bottle
CN110201331B (en) * 2017-05-03 2021-10-29 上海金洛安全装备有限公司 Automatic security bottle system
CN108744352A (en) * 2018-08-13 2018-11-06 山东大豪消防安全技术有限公司 A kind of kitchen extinguishing device nitrogen bottle valve with safety relief function
CN109213045A (en) * 2018-09-30 2019-01-15 西安工程大学 A kind of anti-online patrolling control system of self-destruction of steel cylinder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1363052B1 (en) * 2002-05-17 2005-08-24 Vesta Srl Fast-flow discharge valve for a high-pressure inert gas fire extinguisher system
CN201891915U (en) * 2010-11-10 2011-07-06 宁波三安制阀有限公司 Heptafluoropropane container valve
CN201973293U (en) * 2011-03-14 2011-09-14 宁波三安制阀有限公司 Bottle head valve
CN102278519A (en) * 2011-05-18 2011-12-14 宁波三安制阀有限公司 Lever type bottle valve
CN202629091U (en) * 2012-04-10 2012-12-26 杭州飞宝传动科技有限公司 Cylinder head valve with electromagnetic valve for subway fire-fighting system
CN202691183U (en) * 2011-11-17 2013-01-23 四川迪威消防设备制造有限公司 Container valve special for gaseous extinguishing agent storage container
CN203335944U (en) * 2013-07-12 2013-12-11 上海金洛海洋工程有限公司 Modular differential pressure bottle valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1363052B1 (en) * 2002-05-17 2005-08-24 Vesta Srl Fast-flow discharge valve for a high-pressure inert gas fire extinguisher system
CN201891915U (en) * 2010-11-10 2011-07-06 宁波三安制阀有限公司 Heptafluoropropane container valve
CN201973293U (en) * 2011-03-14 2011-09-14 宁波三安制阀有限公司 Bottle head valve
CN102278519A (en) * 2011-05-18 2011-12-14 宁波三安制阀有限公司 Lever type bottle valve
CN202691183U (en) * 2011-11-17 2013-01-23 四川迪威消防设备制造有限公司 Container valve special for gaseous extinguishing agent storage container
CN202629091U (en) * 2012-04-10 2012-12-26 杭州飞宝传动科技有限公司 Cylinder head valve with electromagnetic valve for subway fire-fighting system
CN203335944U (en) * 2013-07-12 2013-12-11 上海金洛海洋工程有限公司 Modular differential pressure bottle valve

Also Published As

Publication number Publication date
CN103939619A (en) 2014-07-23

Similar Documents

Publication Publication Date Title
CN103939619B (en) Modular differential pressure bottle valve
WO2016155590A1 (en) Plunger pump valve box assembly
CN101709859A (en) Sealing structure of wire inlet hole and explosion-proof lamp
ES2553481T3 (en) Pressure reducer, wrench and bottle provided with such a pressure reducer
CN206352679U (en) A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing
CN202140576U (en) Low-temperature stop valve
CN203335944U (en) Modular differential pressure bottle valve
CN201246136Y (en) Blowout prevention safety valve of oil pumping machine well head
CN201706012U (en) Pressure gauge valve with check valve
CN104329567B (en) Pressure relief system for long-distance pipeline
CN202302451U (en) High-purity nitrogen-inflating equipment air nozzle connector
CN202790738U (en) Rupture disk device with leakage protection for vehicle
CN201851884U (en) Cylinder valve with air charging device
CN207280668U (en) A kind of Leakproof safety manometer
CN202611689U (en) Self-sealing quick pressure monitoring device
CN205350424U (en) High pressure ultra -low temperature upper assembling type ball valve composite seal disk seat
CN204422315U (en) A kind of additional locking devices for valve pressure test
CN104455905B (en) A kind of end cap
CN209019815U (en) A kind of kitchen extinguishing device nitrogen bottle valve with safety relief function
CN201844075U (en) Combined unloading valve
CN208138570U (en) A kind of band alarm device shut-off valve
CN205424263U (en) Formula leaking stoppage ware is crowded to hydraulic ram
CN214742424U (en) Check valve and gas-liquid pressure cylinder using same
CN204922200U (en) High pressure isolating valve structure
CN215487975U (en) Gas cylinder valve with safety display mechanism

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Room 2070, building 2, 853 Minjing Road, Yangpu District, Shanghai 200082

Patentee after: Shanghai Jinluo safety equipment Co.,Ltd.

Address before: Room 2070, building 2, 853 Minjing Road, Yangpu District, Shanghai 200082

Patentee before: SHANGHAI JINLUO OCEAN ENGINEERING Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Modular differential pressure bottle head valve

Effective date of registration: 20211122

Granted publication date: 20160914

Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch

Pledgor: Shanghai Jinluo safety equipment Co.,Ltd.

Registration number: Y2021980013013