CN103527835A - Hydraulic-driven underwater gate valve capable of being driven by ROV - Google Patents
Hydraulic-driven underwater gate valve capable of being driven by ROV Download PDFInfo
- Publication number
- CN103527835A CN103527835A CN201310509509.4A CN201310509509A CN103527835A CN 103527835 A CN103527835 A CN 103527835A CN 201310509509 A CN201310509509 A CN 201310509509A CN 103527835 A CN103527835 A CN 103527835A
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- valve
- piston
- hydraulic cylinder
- oil hydraulic
- operating stem
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001338 self-assembly Methods 0.000 description 2
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Images
Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0272—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor permitting easy assembly or disassembly
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Driven Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a hydraulic-driven underwater gate valve capable of being driven by an ROV. The hydraulic-driven underwater gate valve comprises a valve body, a valve deck, a hydraulic cylinder and a machine frame shell. A valve base is installed in the middle of a flow pass of the valve body. A flashboard is arranged in the middle of the valve base. A valve rod is arranged in the middle of the valve deck in a penetrating mode. The valve rod is connected with the flashboard. A piston is arranged inside the hydraulic cylinder. A piston rod of the piston is arranged inside the machine frame shell in a penetrating mode. The head of the piston is connected with the valve rod. A pressure source connector is arranged on the valve deck. A liquid inlet is formed in the cylinder wall of the hydraulic cylinder. The piston rod portion is connected with an operating rod. The middle of the operating rod is sleeved with a bearing cap. A spring is arranged between the bearing cap and the hydraulic cylinder. The top of the operating rod is of a tetragonal structure. The hydraulic-driven underwater gate valve has the hydraulic-driven driving mode and the ROV driving mode. Meanwhile, according to the hydraulic-driven underwater gate valve, the pressure difference between the upper end face and the lower end face of the piston can be balanced, the requirement for a pressure source is reduced, the requirement for a sealing element is reduced, the loss of the sealing element is reduced, maintenance is convenient, the cost is low, the use reliability is high, and the service life is prolonged.
Description
Technical field
The present invention relates to technical field of petroleum extraction under ocean water, be specifically related to a kind of gate valve under water that surges can ROV driving.
Background technique
Petrol resources exploitation turns to ocean, shallow sea to turn to deep-sea to become inexorable trend from land, Offshore Engineering equipment becomes one of high-end equipment manufacturing industry emphasis.Gate valve is applied to adopt defeated well head and subsea production tree under water under water, at present, the pressure difference that mostly gate valve assembly cannot balance seawater causes piston upper and lower end face under water, to having relatively high expectations of pressure source, make increases the requirement of Sealing thereupon, the sealed member replacement cycle is short, and maintenance period is short, increases cost.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of gate valve under water that surges can ROV driving.This under water gate valve have and surge and ROV drives two kinds of driving mode, and this pressure difference that gate valve can equalizing piston upper and lower end face under water, the requirement of reduction to pressure source, the requirement of reduction to Sealing, reduce the loss of Sealing, easy to maintenance, with low cost, operational safety is high, improves working life.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of gate valve under water that surges can ROV driving, comprise valve body, valve gap, oil hydraulic cylinder and frame housing, the runner middle part of described valve body is provided with valve seat, and the centre of valve seat is provided with the flashboard that can vertically move, and the upper end of valve body is connected with valve gap, the centre of described valve gap is equipped with a valve rod, and the lower end of valve rod is connected with described flashboard;
The upper end of described valve gap is connected with oil hydraulic cylinder, the upper end of oil hydraulic cylinder is connected with frame housing, in described oil hydraulic cylinder, be provided with a piston, described piston comprises piston crown and piston rod portion, piston crown and piston rod portion are integral type structure, piston rod portion is arranged in described frame housing, piston crown is connected with valve rod, between piston crown upper end and oil hydraulic cylinder, form actuator chamber epicoele, piston crown lower end and valve gap, between oil hydraulic cylinder, form actuator chamber cavity of resorption, described valve gap is provided with pressure source interface, this pressure source interface communicates with actuator chamber cavity of resorption, the casing wall of oil hydraulic cylinder is provided with the liquid entering hole communicating with actuator chamber epicoele,
Described piston rod portion is connected with operating stem, the middle part of described operating stem is arranged with bearing cap, between the surface of contact at bearing cap and operating stem middle part, be provided with clutch shaft bearing and the second bearing, the upper end of bearing cap is provided with flange, between described bearing cap and oil hydraulic cylinder, be provided with spring, the upper end of described frame housing is provided with upper cover, between the upper end of oil hydraulic cylinder, frame housing and upper cover, forms spring chamber;
The top of described operating stem is through described upper cover, and the top of operating stem is tetragonal, and ROV can pass through this tetragonal rotating operation bar.
Further, between described piston rod portion and operating stem, adopt and be threaded, the joint of the lower end of operating stem and piston rod portion is provided with positioning block.
Further, the lower end surface of described piston crown is provided with nested structure, and the top of described valve rod is provided with T-shaped, piston crown and valve rod nested connection of cooperation with T-shaped by nested structure.
Further, the top of described operating stem and the sealing footpath size between upper cover equal the sealing footpath size between piston rod portion and oil hydraulic cylinder.
The invention has the beneficial effects as follows: the present invention can ROV drives surges under water gate valve by the pressure source interface on valve gap, be connected with the fuel tank on sea, for the pressure difference of balance seawater to piston top and bottom, reduced the requirement to driving pressure source, reduced the requirement to Sealing, reduce costs, increase working life.In addition, the lower end surface of piston crown is provided with nested structure, valve rod top is T-shaped block structure, piston crown and valve rod can quick nested connections by nested structure and the cooperation of T-shaped, after realizing each self-assembly of valve member and actuator assembly and completing, can integral body assemble up fast, reduce installation time, reduce maintenance cost, can realize the integral replacing of actuator assembly or valve member.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the piston crown of piston in the present invention.
Fig. 3 is the partial structurtes schematic diagram of valve rod in the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
As shown in Figure 1, a kind of gate valve under water that surges can ROV driving, comprise valve body 1, valve gap 5, oil hydraulic cylinder 6 and frame housing 9, the runner middle part of valve body 1 is provided with valve seat 2, the centre of valve seat 2 is provided with the flashboard 3 that can vertically move, the upper end of valve body 1 is connected with valve gap 5, and the centre of valve gap 5 is equipped with a valve rod 4, and the lower end of valve rod 4 is connected with flashboard 3.
As shown in Figure 1 to Figure 3, the upper end of valve gap 5 is connected with oil hydraulic cylinder 6, and the upper end of oil hydraulic cylinder 6 is connected with frame housing 9, in oil hydraulic cylinder 6, be provided with a piston, piston comprises piston crown 7 and piston rod portion 8, and piston crown 7 and piston rod portion 8 are integral type structure, and piston rod portion 8 is arranged in frame housing 9.The lower end surface of piston crown 7 is provided with nested structure 21, and the top of valve rod is provided with T-shaped 22, piston crown 7 and valve rod 4 nested connection of cooperation with T-shaped 22 by nested structure 21.Between piston crown 7 upper ends and oil hydraulic cylinder 6, form actuator chamber epicoele, between piston crown 7 lower ends and valve gap 5, oil hydraulic cylinder 6, form actuator chamber cavity of resorption, valve gap 5 is provided with pressure source interface 17, this pressure source interface 17 communicates with actuator chamber cavity of resorption, and the casing wall of oil hydraulic cylinder 6 is provided with the liquid entering hole 16 communicating with actuator chamber epicoele.
Between piston rod portion 8 and operating stem 10, adopt and be threaded, the joint of the lower end of operating stem 10 and piston rod portion 8 is provided with positioning block 19, and operating stem 10 and piston rod portion 8 are connected firmly.The middle part of operating stem 10 is arranged with bearing cap 11, and the upper end of bearing cap 11 is provided with flange, and the flange of bearing cap 11 is provided with through hole.Between the surface of contact at bearing cap 11 and operating stem 10 middle parts, be provided with clutch shaft bearing 12 and the second bearing 13.Between bearing cap 11 and oil hydraulic cylinder 6, be provided with spring 14.The upper end of frame housing 9 is provided with upper cover 15.Between the upper end of oil hydraulic cylinder 6, frame housing 9 and upper cover 15, form spring chamber.
The top of operating stem 10 is through upper cover 15, and the top of operating stem 10 is tetragonal, and ROV can pass through this tetragonal rotating operation bar 10, realizes the keying of valve.
During work, when needs Open valve, hydraulic oil enters actuator chamber epicoele from the liquid entering hole 16 of oil hydraulic cylinder 6, hydraulic drive piston moves down, promote valve rod 4, because valve rod 4 and flashboard 3 are connected, so flashboard 3 moves down with valve rod 4, the flashboard passage that flashboard 3 is provided with is communicated with the runner on valve body 1, complete valve opening one time.In the process moving down at piston, piston driving operating stem 10 moves downward, and the bearing cap 11 being sleeved on operating stem 10 also moves downward, thus Compress Spring 14.While needing throttle down, shed pressure source, spring 14 moves on 11 by spring band dynamic bearing lid, and bearing cap 11 drives operating stem 10 to move upward.Operating stem 10 is threaded connection with the piston rod portion 7 of piston, and the piston crown 7 of piston is connected with valve rod 4 and flashboard 3 successively, so flashboard 3 moves upward with bearing cap 11, completes valve closes.
The lower end surface of the piston crown 7 of piston is provided with nested structure 21, the top of valve rod 4 is provided with T-shaped 22, piston crown 7 and valve rod 4 can quick nested connections by nested structure 21 and the cooperation of T-shaped 22, after realizing each self-assembly of valve member and actuator assembly and completing, can integral body assemble up fast, reduce installation time, reduce maintenance cost, can realize the integral replacing of actuator assembly or valve member.
Sealing footpath size between the top of operating stem 10 and upper cover 15 equals the sealing footpath size between piston rod portion 8 and oil hydraulic cylinder 6, makes to open in the process of valve, and frame housing 9 inner volumes do not change, thereby pressure does not change.
Between operating stem 10 and piston rod portion 8, be provided with motion thread, thus this ROV to drive be to rotarily actuate, avoided straight line pushing to drive the hidden danger that forces valve rod unstability.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. the gate valve under water that surges can ROV driving, it is characterized in that: comprise valve body, valve gap, oil hydraulic cylinder and frame housing, the runner middle part of described valve body is provided with valve seat, the centre of valve seat is provided with the flashboard that can vertically move, the upper end of valve body is connected with valve gap, the centre of described valve gap is equipped with a valve rod, and the lower end of valve rod is connected with described flashboard;
The upper end of described valve gap is connected with oil hydraulic cylinder, the upper end of oil hydraulic cylinder is connected with frame housing, in described oil hydraulic cylinder, be provided with a piston, described piston comprises piston crown and piston rod portion, piston crown and piston rod portion are integral type structure, piston rod portion is arranged in described frame housing, piston crown is connected with valve rod, between piston crown upper end and oil hydraulic cylinder, form actuator chamber epicoele, piston crown lower end and valve gap, between oil hydraulic cylinder, form actuator chamber cavity of resorption, described valve gap is provided with pressure source interface, this pressure source interface communicates with actuator chamber cavity of resorption, the casing wall of oil hydraulic cylinder is provided with the liquid entering hole communicating with actuator chamber epicoele,
Described piston rod portion is connected with operating stem, the middle part of described operating stem is arranged with bearing cap, between the surface of contact at bearing cap and operating stem middle part, be provided with clutch shaft bearing and the second bearing, the upper end of bearing cap is provided with flange, between described bearing cap and oil hydraulic cylinder, be provided with spring, the upper end of described frame housing is provided with upper cover, between the upper end of oil hydraulic cylinder, frame housing and upper cover, forms spring chamber;
The top of described operating stem is through described upper cover, and the top of operating stem is tetragonal, and ROV can pass through this tetragonal rotating operation bar.
2. the gate valve under water that surges can ROV driving according to claim 1, is characterized in that: between described piston rod portion and operating stem, adopt and be threaded, the joint of the lower end of operating stem and piston rod portion is provided with positioning block.
3. the gate valve under water that surges can ROV driving according to claim 1, it is characterized in that: the lower end surface of described piston crown is provided with nested structure, the top of described valve rod is provided with T-shaped, piston crown and valve rod nested connection of cooperation with T-shaped by nested structure.
4. the gate valve under water that surges can ROV driving according to claim 1, is characterized in that: the top of described operating stem and the sealing footpath size between upper cover equal the sealing footpath size between piston rod portion and oil hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310509509.4A CN103527835A (en) | 2013-10-25 | 2013-10-25 | Hydraulic-driven underwater gate valve capable of being driven by ROV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310509509.4A CN103527835A (en) | 2013-10-25 | 2013-10-25 | Hydraulic-driven underwater gate valve capable of being driven by ROV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103527835A true CN103527835A (en) | 2014-01-22 |
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ID=49930069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310509509.4A Pending CN103527835A (en) | 2013-10-25 | 2013-10-25 | Hydraulic-driven underwater gate valve capable of being driven by ROV |
Country Status (1)
| Country | Link |
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| CN (1) | CN103527835A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089077A (en) * | 2014-07-04 | 2014-10-08 | 中石化石油工程机械有限公司研究院 | Hydraulic drive device of underwater gate valve, underwater gate valve and control method of underwater gate valve |
| CN104595559A (en) * | 2015-01-29 | 2015-05-06 | 纽威石油设备（苏州）有限公司 | Spring type hydraulic driver |
| CN104595561A (en) * | 2015-01-29 | 2015-05-06 | 纽威石油设备（苏州）有限公司 | Spring type hydraulic driver for flat gate valve |
| CN106481830A (en) * | 2016-11-16 | 2017-03-08 | 江苏科技大学 | A kind of high reliability hydraulic pressure underwater gate valve |
| CN106763803A (en) * | 2015-11-20 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN106764009A (en) * | 2017-02-07 | 2017-05-31 | 苏州道森钻采设备股份有限公司 | A kind of choke valve |
| CN107701135A (en) * | 2017-09-05 | 2018-02-16 | 宝鸡石油机械有限责任公司 | A kind of subsea production tree emergency separating device |
| CN109555894A (en) * | 2018-12-28 | 2019-04-02 | 苏州协昌环保科技股份有限公司 | Electro-pneumatic poppet |
| CN110553084A (en) * | 2019-09-12 | 2019-12-10 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
| EP3617572A4 (en) * | 2018-04-24 | 2020-08-19 | Neway Valve (Suzhou) Co., Ltd | Actuating system for use in driving valve to open and close |
| CN113324087A (en) * | 2021-06-30 | 2021-08-31 | 纽威石油设备（苏州）有限公司 | Hydraulic driving device for underwater valve |
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| US6352239B1 (en) * | 1999-03-25 | 2002-03-05 | Fmc Corporation | Gate valve actuator override mechanism |
| CN201902656U (en) * | 2010-11-23 | 2011-07-20 | 宝鸡石油机械有限责任公司 | Hydraulic driving device of flat plate gate valve under seawater |
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| CN202834137U (en) * | 2012-10-09 | 2013-03-27 | 上海神开石油化工装备股份有限公司 | Underwater gate valve with hydraulic actuator |
| CN203532905U (en) * | 2013-10-25 | 2014-04-09 | 苏州道森钻采设备股份有限公司 | Hydraulic drive underwater gate valve capable of being driven by ROV |
-
2013
- 2013-10-25 CN CN201310509509.4A patent/CN103527835A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6352239B1 (en) * | 1999-03-25 | 2002-03-05 | Fmc Corporation | Gate valve actuator override mechanism |
| CN201902656U (en) * | 2010-11-23 | 2011-07-20 | 宝鸡石油机械有限责任公司 | Hydraulic driving device of flat plate gate valve under seawater |
| CN202834137U (en) * | 2012-10-09 | 2013-03-27 | 上海神开石油化工装备股份有限公司 | Underwater gate valve with hydraulic actuator |
| CN102900859A (en) * | 2012-10-29 | 2013-01-30 | 宝鸡石油机械有限责任公司 | Underwater hydraulic driven type flat plate gate valve |
| CN203532905U (en) * | 2013-10-25 | 2014-04-09 | 苏州道森钻采设备股份有限公司 | Hydraulic drive underwater gate valve capable of being driven by ROV |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089077B (en) * | 2014-07-04 | 2016-02-03 | 中石化石油工程机械有限公司研究院 | Hydraulic unit driver, under water gate valve and the controlling method thereof of gate valve under water |
| CN104089077A (en) * | 2014-07-04 | 2014-10-08 | 中石化石油工程机械有限公司研究院 | Hydraulic drive device of underwater gate valve, underwater gate valve and control method of underwater gate valve |
| CN104595559A (en) * | 2015-01-29 | 2015-05-06 | 纽威石油设备（苏州）有限公司 | Spring type hydraulic driver |
| CN104595561A (en) * | 2015-01-29 | 2015-05-06 | 纽威石油设备（苏州）有限公司 | Spring type hydraulic driver for flat gate valve |
| CN106763803B (en) * | 2015-11-20 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN106763803A (en) * | 2015-11-20 | 2017-05-31 | 中国石油化工股份有限公司 | A kind of control valve for small flows |
| CN106481830A (en) * | 2016-11-16 | 2017-03-08 | 江苏科技大学 | A kind of high reliability hydraulic pressure underwater gate valve |
| CN106481830B (en) * | 2016-11-16 | 2019-03-29 | 江苏科技大学 | A kind of hydraulic underwater gate valve of high reliability |
| CN106764009A (en) * | 2017-02-07 | 2017-05-31 | 苏州道森钻采设备股份有限公司 | A kind of choke valve |
| CN107701135A (en) * | 2017-09-05 | 2018-02-16 | 宝鸡石油机械有限责任公司 | A kind of subsea production tree emergency separating device |
| CN107701135B (en) * | 2017-09-05 | 2019-12-24 | 宝鸡石油机械有限责任公司 | Emergency disengaging device for underwater Christmas tree |
| EP3617572A4 (en) * | 2018-04-24 | 2020-08-19 | Neway Valve (Suzhou) Co., Ltd | Actuating system for use in driving valve to open and close |
| US11287055B2 (en) | 2018-04-24 | 2022-03-29 | Neway Valve (Suzhou) Co., Ltd. | Executive system for driving a valve to open and close |
| CN109555894A (en) * | 2018-12-28 | 2019-04-02 | 苏州协昌环保科技股份有限公司 | Electro-pneumatic poppet |
| CN110553084A (en) * | 2019-09-12 | 2019-12-10 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
| CN110553084B (en) * | 2019-09-12 | 2024-03-29 | 纽威石油设备（苏州）有限公司 | Hydraulic driver for underwater valve |
| CN113324087A (en) * | 2021-06-30 | 2021-08-31 | 纽威石油设备（苏州）有限公司 | Hydraulic driving device for underwater valve |
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Application publication date: 20140122 |