CN208417648U - Self diagnosis single flow surge reliever - Google Patents
Self diagnosis single flow surge reliever Download PDFInfo
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- CN208417648U CN208417648U CN201820987057.9U CN201820987057U CN208417648U CN 208417648 U CN208417648 U CN 208417648U CN 201820987057 U CN201820987057 U CN 201820987057U CN 208417648 U CN208417648 U CN 208417648U
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Abstract
The utility model discloses a kind of self diagnosis single flow surge relievers, including main valve body, main valve lid, main influent stream road, main runner out, master collet, main valve seat is equipped in master collet, sliding has valve plug in master collet, the outside of main valve body is equipped with guide valve blocks, guide's valve seat, influent stream road and secondary runner out, guide valve blocks are equipped with guide's sleeve, guide's sleeve is equipped with spool, guide's valve seat is equipped with orifice plug, guide's valve seat is equipped with pilot valve spring, a feedback chamber is formed between orifice plug and bushing, the position that spool is located at feedback chamber is arranged with compressed spring, guide's valve seat is equipped with the feedback port of connection feedback chamber, main influent stream feedback pipe is communicated between main influent stream road and secondary influent stream road, time influent stream feedback is communicated between main influent stream road feedback pipe and upper film chamber to manage, it is secondary to go out to be communicated with out stream feedback pipe between runner and main runner out.The utility model has the following advantages that and effect: the opening and closing of pressure medium control valve and the working condition that valve can be observed by pressure gauge with bottom connection.
Description
Technical field
The utility model relates to a kind of valve, in particular to a kind of self diagnosis single flow surge reliever.
Background technique
Relief valve is one kind of safety valve, it is generally mounted to closing system according to the operating pressure energy automatic open close of system
System safety is protected in the equipment or pipeline of system.When equipment or manifold pressure are more than relief valve setting pressure, relief valve is certainly
It is dynamic to open pressure release, guarantee that equipment or pipeline internal medium pressure under setting pressure, protect equipment and pipeline, prevent to anticipate
Outside.
Notification number is that the Chinese patent of CN204942663U discloses a kind of relief valve, including valve body, is sealedly connected on valve
The valve seat of body lower end, valve seat are equipped with feed liquor through-hole, and valve body is equipped with fluid through-hole, are equipped with above valve body inner seat and liquid is logical out
The valve chamber of hole connection, valve chamber is interior to be equipped with positioning sleeve, and the sealing of positioning sleeve lower end is socketed on the outer wall of valve seat upper end, movable in positioning sleeve
It is socketed with flap, flap upper end connects valve rod assembly, and flap lower end connects sealing ring clamping pad, and mounting hole side wall is equipped with a circle
The mounting groove of annular, mounting groove is interior to install sealing ring, and sealing ring clamping pad lower end outer wall is equipped with the inverted V shaped ring of a ring cross-section
Shape flange, annular flange upper side wall are arranged close to sealing ring, and flap lower surface is equipped with a ring annular groove, and valve seat upper surface is enterprising
Fluid through-hole edge is equipped with the sealing bulge loop of a ring shape, and sealing ring is connected on sealing bulge loop.
The elastic force for comparing spring in above-mentioned patent by pressure medium, realizes the automatic open close function of valve, this kind of side
The automatic open close function of formula can be influenced by spring, when the adjusting section of pressure medium to be changed, need manually to rotate
The elastic force of Adjusting bolt Adjusting screw de-regulation spring.Since the mode of adjusting manually cannot reach control precision well, and
The conversion comparison by artificially carrying out formula is needed, it is relatively complicated in actual use is adjusted so as to cause this kind of mode.
Utility model content
The purpose of the utility model is to provide a kind of self diagnosis single flow surge reliever, which is let out
Pressure valve has preferable control precision and easy to operate.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of self diagnosis single flow
Surge reliever, including main valve body, the main influent stream road and the master that are set to the main valve lid of main valve body and are set to inside main valve body
Runner out is installed with master collet in the main valve body, and one end of the master collet is connected to main influent stream road, the other end contradicts sealing
In main valve lid, the master collet is equipped with main valve seat close to main influent stream road position, and the master collet side wall offers the main stream out of connection
The flow-out hole in road, the interior sliding of the master collet are sealed with valve plug, the interior position between valve plug and main valve lid of the master collet
A upper film chamber is formed, driving valve plug is equipped in the upper film chamber towards the movement of main valve seat direction and realizes the main spool spring to shut off,
The outside of the main valve body is equipped with guide valve blocks, and guide's valve seat, difference in the guide valve blocks are installed on the guide valve blocks
Equipped with secondary influent stream road and secondary runner out, the guide valve blocks are interior to be equipped with guide's sleeve, the lower end of guide's sleeve and secondary stream out
Road connection, upper end are connected to guide's valve seat, and guide's sleeve lateral wall offers the inflow hole for being connected to time influent stream road, the guide
It is located above inflow hole in sleeve and is installed with bushing, sliding is sealed with cooperation guide's sleeve and realizes the valve to shut off in the bushing
Core, the interior sliding of guide's valve seat are equipped with the orifice plug that driving spool realizes movement, driving throttling are equipped in guide's valve seat
The pilot valve spring mobile towards bushing direction is filled in, gas vent is communicated on guide's valve seat, between the orifice plug and bushing
A feedback chamber is formed, the position that the spool is located at feedback chamber is arranged with compressed spring, and guide's valve seat, which is equipped with, to be connected
The feedback port of logical feedback chamber is communicated with main influent stream feedback pipe, the main influent stream road between the main influent stream road and secondary influent stream road
It feeds back and manages and be communicated with secondary influent stream feedback pipe between upper film chamber, the secondary runner out and master, which go out between runner to be communicated with out to flow, to feed back
Pipe.
By using above-mentioned technical proposal, pilot valve spring drives orifice plug towards compressed spring side when being in free end state
To movement and it is compressed, to make spool contact at guide's sleeve and the realization of guide's sleeve is cooperated to shut off.By feedback port
It is attached with the pipeline of user, the medium in pipeline is by feeding back port transmission to feedback chamber；Medium enters main influent stream road
And Guan Yuci influent stream feedback pipe is fed back by main influent stream respectively and is transmitted to upper film chamber and time influent stream road；When the pressure liter in pipeline
Height, the indoor pressure of feedback cavity also increase, when the indoor pressure of feedback cavity increases to more than when the elastic force of pilot valve spring,
The indoor pressure-driven orifice plug of feedback cavity is mobile towards pilot valve spring direction and compresses to it, and orifice plug on the move
Then realizes and separate between band movable valve plug and guide's sleeve, to realize time influent stream road and time conducting of runner between the two out.
Since the conducting in secondary influent stream road enables the medium in upper film chamber to pass sequentially through time influent stream feedback pipe, main influent stream feedback
Pipe, secondary influent stream road, it is secondary go out runner and out runner feedback pipe be transferred to it is main go out runner carry out valve after be discharged so that in upper film chamber
Medium reduces；Since the medium in the pressure reduction in upper film chamber then main influent stream road is then higher than the pressure medium in upper film chamber, from
And valve plug is driven to compress main spool spring, realize the unlatching of valve.
Conversely, it is close that spool cooperates guide's sleeve to realize when the indoor pressure of feedback cavity is less than the elastic force of pilot valve spring
Envelope is shut off, and the indoor pressure medium of epicoele is equal to or more than the pressure medium in main influent stream road, is in close state valve；And
The setting of compressed spring is able to achieve quickly opening and the pressure medium control valve plug being passed through in feedback chamber being cooperated to open and close for spool
Mode, make the valve that there is preferable control precision and easy to operate.
Be further arranged to: the secondary influent stream feedback pipe is equipped with tracheae, and one end of the tracheae and time influent stream feedback are managed
Connection, the other end are connected with pressure gauge with bottom connection.
By using above-mentioned technical proposal, being connected to time pressure gauge with bottom connection of influent stream feedback pipe can display real-time time influent stream feedback
The internal pressure of pipe, staff can be apparent from valve state in which by the numerical value on observation pressure gauge with bottom connection.
It is further arranged to: being connected with the first needle valve on the tracheae.
By using above-mentioned technical proposal, the setting of the first needle valve works as staff for realizing the opening and closing to tracheae
It is not required to it is to be understood that can be turned off by the first needle valve, so as to extend making for pressure gauge with bottom connection when valve state in which
Use the service life.
Be further arranged to: the secondary influent stream feedback pipe and out stream, which are fed back, is connected with delivery pipe, the delivery pipe between pipe
It is equipped with the second needle valve.
By using above-mentioned technical proposal, can be achieved by the setting of the second needle valve manually opened.
Be further arranged to: the main valve, which covers, is threaded with the indication adapter with inner cavity, the instruction adaptation
The inner cavity of device is connected to upper film chamber, and the valve plug is equipped with the indicator bar for extending into indication adapter, the valve plug and instruction
It is fixedly connected between device bar by fixing piece, the secondary influent stream feedback pipe is connected to indication adapter.
By using above-mentioned technical proposal, valve plug drives indicator bar mobile, by indicator bar and indication adapter it
Between cooperation can be apparent from the working condition of valve.
Be further arranged to: the fixing piece include be set to valve plug towards upper film chamber's one side groove, be set to instruction
First annular groove of device bar periphery wall, the circlip for shaft for being arranged in the first annular groove are set to groove and pressure holding axis elasticity gear
The gasket of circle and the circlip for hole for pressing gasket, the recess sidewall are equipped with the second ring being embedded for circlip for hole
Slot.
By using above-mentioned technical proposal, this kind of mode, which can facilitate, realizes that the assembling between indicator bar and valve plug is fixed.
It is further arranged to: being equipped with spring base in guide's valve seat, be threaded with driving bullet on guide's valve seat
The adjusting bolt that spring abutment is moved axially along pilot valve spring, the adjusting bolt are fixedly connected with spring base.
By using above-mentioned technical proposal, adjusts and be threadedly coupled to drive adjusting bolt along axial between bolt and upper cover
Movement is realized in direction, to be pressed by spring base to pilot valve spring, for adjusting the elastic force of pilot valve spring.
Be further arranged to: the position that the adjusting bolt is located at outside guide's valve seat is threaded with lock nut.
By using above-mentioned technical proposal, the setting for crossing lock nut further fixes the position for adjusting plug screw,
Prevent it from unintentional rotation occurs because of vibration.
Be further arranged to: the main valve lid is equipped with towards the one side of main spool spring to be embedded for main spool spring and limits its diameter
To mobile limiting slot.
By using above-mentioned technical proposal, the setting of limiting slot further limits main spool spring, prevents main valve bullet
Spring is subjected to displacement upon compression, and main spool spring is enabled to apply more stable active force to valve plug.
It is further arranged to: being threaded with plug screw on the gas vent.
By using above-mentioned technical proposal, valve realizes the sealing to gas vent by plug screw during transportation, prevents
Only particulate matter enters inside guide's valve seat.
In conclusion the utility model has the following beneficial effects: the utility model is opened by pressure medium control valve
Close and can observe by pressure gauge with bottom connection the working condition of valve.
Detailed description of the invention
Fig. 1 is the main view of embodiment；
Fig. 2 is the cross-sectional view in embodiment inside main valve body；
Fig. 3 is the portion A enlarged drawing in Fig. 2；
Fig. 4 is the structural schematic diagram of embodiment；
Fig. 5 is guide valve blocks and the cross-sectional view inside guide's valve seat in embodiment；
Fig. 6 is the portion B enlarged drawing in Fig. 5.
In figure: 1, main valve body；2, main valve lid；3, main influent stream road；4, main runner out；5, master collet；6, main valve seat；7, go out to flow
Hole；8, valve plug；9, upper film chamber；10, main spool spring；11, guide valve blocks；12, guide's valve seat；13, secondary influent stream road；14, secondary to go out to flow
Road；15, guide's sleeve；16, inflow hole；17, bushing；18, spool；19, orifice plug；20, pilot valve spring；21, gas vent；22,
Feedback chamber；23, compressed spring；24, feedback port；25, main influent stream feedback pipe；26, secondary influent stream feedback pipe；27, go out stream feedback pipe；
28, tracheae；29, pressure gauge with bottom connection；30, the first needle valve；31, delivery pipe；32, the second needle valve；33, indication adapter；34,
Indicator bar；35, fixing piece；351, groove；352, the first annular groove；353, circlip for shaft；354, gasket；355, hole bullet
Property retaining ring；356, the second annular groove；36, spring base；37, bolt is adjusted；38, lock nut；39, limiting slot；40, plug screw；41, first
Pilot valve filter.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
With reference to Fig. 1 and Fig. 2, a kind of self diagnosis single flow surge reliever, including main valve body 1 and it is fixedly installed on main valve
The main valve lid 2 of body 1,2 upper surface of main valve lid are threaded with the indication adapter 33 with inner cavity, the material of indication adapter 33
It can be transparent ABS plastic；Main influent stream road 3 and main runner 4 out are offered inside main valve body 1 respectively, main influent stream road 3 goes out to flow with main
Road 4 is interconnected between the two.Guide valve blocks 11 are equipped with positioned at the outside of main valve body 1, are fixedly installed band on guide valve blocks 11
There is guide's valve seat 12 of inner cavity, offers time influent stream road 13 and secondary runner 14 out, secondary influent stream road 13 inside guide valve blocks 11 respectively
It is interconnected between the two with secondary runner 14 out；Main influent stream feedback pipe is fixedly connected between main influent stream road 3 and secondary influent stream road 13
25, secondary to go out to be fixedly connected with out stream feedback pipe 27 between runner 14 and main runner 4 out.
Time influent stream feedback pipe 26, secondary influent stream feedback pipe are fixedly connected between main influent stream feedback pipe 25 and indication adapter 33
Link position between 26 and main influent stream feedback pipe 25 is fixedly connected with pilot valve filter 41, and pilot valve filter 41 is in Jiaxing
Agree the hydraulic Science and Technology Ltd. of Brooker to be produced, is the prior art.Secondary influent stream feedback pipe 26 is equipped with tracheae 28, tracheae 28
One end and time influent stream feedback pipe 26 it is fixed be connected to, the other end is connected with pressure gauge with bottom connection 29, the is fixedly connected on tracheae 28
One needle valve 30.It is fixedly connected with delivery pipe 31 between secondary influent stream feedback pipe 26 and out stream feedback pipe 27, is fixed in delivery pipe 31
It is connected with the second needle valve 32.
Master collet 5 is fixed in main valve body 1, the upper end of master collet 5 is by the pressure holding of main valve lid 2 sealing, lower end and main influent stream
The connection setting of road 3, the flow-out hole 7 that the side wall folding of master collet 5 has connection master to go out runner 4；Sliding is sealed with valve plug in master collet 5
8, the interior position between valve plug 8 and main valve lid 2 of master collet 5 forms the upper film chamber 9, and 5 inner wall of master collet is located at valve plug 8
Lower section be installed with main valve seat 6, between main valve seat 6 and valve plug 8 sealing cooperation realize shuts off.The inner cavity of indication adapter 33 with it is upper
Film room 9 is connected to, and the one side of valve plug 8 towards main valve lid 2 is equipped with the indicator bar 34 for extending into indication adapter 33, indicator bar 34
Fixing piece 35 is equipped between valve plug 8；The main spool spring 10 for being arranged indicator bar 34 is provided in upper film chamber 9, main valve lid 2 is corresponding
The limiting slot 39 being embedded for main spool spring 10 is equipped in the position of 10 end face of main spool spring.
Referring to figs. 2 and 3, fixing piece 35 include groove 351, the first annular groove 352, circlip for shaft 353, gasket 354,
Circlip for hole 355 and the second annular groove 356, groove 351 are set to an end face of the valve plug 8 towards indicator bar 34, instruction
The periphery wall of device bar 34 offers the first annular groove 352, and circlip for shaft 353 is arranged in the first annular groove 352；Gasket 354 is arranged
In indicator bar 34 and it is located at circlip for shaft 353 and presses circlip for shaft 353, the second annular groove 356 is set to groove
351 side walls and it is located at the top of gasket 354, circlip for hole 355 is arranged in the second annular groove 356 and pressure holding 354 upper surface of gasket.
With reference to fig. 4 to fig. 6, guide's sleeve 15, the upper end of guide's sleeve 15 and guide's valve seat are installed in guide valve blocks 11
12 inner cavity is connected to, lower end goes out runner 14 with time and is connected to, and the side wall of guide's sleeve 15, which offers, is connected to becoming a mandarin for time influent stream road 13
Hole 16；Bushing 17 is installed in guide's sleeve 15, sliding is sealed with spool 18 in bushing 17.Sliding is equipped with section in guide's valve seat 12
Stream plug 19, is fixedly connected between orifice plug 19 and spool 18；The feedback chamber 22 is formed between orifice plug 19 and bushing 17,
It is equipped with the compressed spring 23 for being arranged spool 18 in feedback chamber 22, the feedback of connection feedback chamber 22 is offered on guide valve blocks 11
Mouth 24.It is threaded with the adjusting bolt 37 worn into 12 inner cavity of guide's valve seat on guide's valve seat 12, adjusts bolt 37 and spool
It is coaxially disposed between 18, one end that adjusting bolt 37 is located at 12 inner cavity of guide's valve seat is installed with spring base 36, spring base 36
Pilot valve spring 20 is equipped between orifice plug 19.It adjusts the position that bolt 37 is located at outside guide's valve seat 12 and is threaded with locking
Nut 38 offers gas vent 21 on guide's valve seat 12, plug screw 40 is threaded on gas vent 21.
The course of work:
Orifice plug 19 is driven to press towards 23 direction of compressed spring and to it when pilot valve spring 20 is in free end state
Contracting, to make spool 18 contact at guide's sleeve 15 and the realization of guide's sleeve 15 is cooperated to shut off.By the pipe of feedback port 24 and user
Road is attached, and the medium in pipeline is transmitted by feedback port 24 to feedback chamber 22；Medium enters main influent stream road 3 and difference
Pipe 25 is fed back by main influent stream and time influent stream feeds back pipe 26 and transmits to upper film chamber 9 and time influent stream road 13；When the pressure liter in pipeline
Height, the pressure in feedback chamber 22 also increases, when pressure increases to the elasticity greater than pilot valve spring 20 in feedback chamber 22
When power, the pressure-driven orifice plug 19 in feedback chamber 22 is mobile towards 20 direction of pilot valve spring and compresses to it, and moves
Orifice plug 19 in moving, which is then realized between band movable valve plug 18 and guide's sleeve 15, to be separated, to realize that time influent stream road 13 goes out to flow with secondary
The conducting of road 14 between the two.
Due to the conducting in secondary influent stream road 13 enable the medium in upper film chamber 9 pass sequentially through time influent stream feedback pipe 26, it is main into
Stream feedback pipe 25, secondary influent stream road 13, it is secondary go out runner 14 and go out stream feedback pipe 27 be transferred to it is main go out runner 4 carry out valve after be discharged,
So that the medium in upper film chamber 9 reduces；Since the medium in the pressure reduction in upper film chamber 9 then main influent stream road 3 is then higher than upper film
Pressure medium in room 9 realizes the unlatching of valve so that valve plug 8 be driven to compress main spool spring 10.
Conversely, spool 18 cooperates guide's sleeve when the pressure in feedback chamber 22 is less than the elastic force of pilot valve spring 20
15 realize that sealing is shut off, and the pressure medium in upper film chamber 9 is equal to or more than the pressure medium in main influent stream road 3, is in valve
Closed state.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of self diagnosis single flow surge reliever, including main valve body (1), be set to main valve body (1) main valve lid (2) and
It is set to the internal main influent stream road (3) of main valve body (1) and master goes out runner (4), is installed with master collet (5) in the main valve body (1),
One end of the master collet (5) is connected to main influent stream road (3), other end conflict is sealed in main valve lid (2), the master collet (5)
Close main influent stream road (3) position is equipped with main valve seat (6), and master collet (5) side wall offers flowing out for connection main runner (4) out
Hole (7), the interior sliding of the master collet (5) are sealed with valve plug (8), are located in the master collet (5) valve plug (8) and main valve lid (2)
Between position form a upper film chamber (9), it is mobile towards main valve seat (6) direction that driving valve plug (8) is equipped in the upper film chamber (9)
And realize the main spool spring (10) to shut off, it is characterised in that: the outside of the main valve body (1) is equipped with guide valve blocks (11), described
It is installed on guide valve blocks (11) guide's valve seat (12), time influent stream road (13) and time out is respectively equipped in the guide valve blocks (11)
Runner (14), the guide valve blocks (11) are interior to be equipped with guide's sleeve (15), the lower end of guide's sleeve (15) and secondary runner out
(14) connection, upper end are connected to guide's valve seat (12), and guide's sleeve (15) side wall, which offers, is connected to time influent stream road (13)
Inflow hole (16), guide's sleeve (15) is interior to be installed with bushing (17) above inflow hole (16), the bushing (17)
Interior sliding is sealed with cooperation guide's sleeve (15) and realizes the spool (18) to shut off, and sliding is equipped with driving in guide's valve seat (12)
Spool (18) realizes mobile orifice plug (19), and driving orifice plug (19) is equipped in guide's valve seat (12) towards bushing (17)
The mobile pilot valve spring (20) in direction is communicated with gas vent (21) on guide's valve seat (12), the orifice plug (19) and lining
It is formed a feedback chamber (22) between set (17), the position that the spool (18) is located at feedback chamber (22) is arranged with compressed spring
(23), guide's valve seat (12) be equipped with connection feedback chamber (22) feedback port (24), the main influent stream road (3) and time into
It is communicated with main influent stream feedback pipe (25) between runner (13), is communicated between main influent stream road (3) the feedback pipe and upper film chamber (9)
Secondary influent stream feedback manages (26), and secondary runner (14) out and master, which go out between runner (4) to be communicated with out to flow to feed back, manages (27).
2. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: the secondary influent stream feedback pipe
(26) tracheae (28) are equipped with, (26) are connected to, the other end is connected with radial direction with time influent stream feedback pipe for one end of the tracheae (28)
Pressure gauge (29).
3. self diagnosis single flow surge reliever according to claim 2, it is characterised in that: connected on the tracheae (28)
There are the first needle valve (30).
4. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: the secondary influent stream feedback pipe
(26) and go out between stream feedback pipe (27) to be connected with delivery pipe (31), the delivery pipe (31) is equipped with the second needle valve (32).
5. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: spiral shell on the main valve lid (2)
Line is connected with the indication adapter (33) with inner cavity, and the inner cavity of the indication adapter (33) is connected to upper film chamber (9), described
Valve plug (8) is equipped with the indicator bar (34) for extending into indication adapter (33), between the valve plug (8) and indicator bar (34)
It is fixedly connected by fixing piece (35), the secondary influent stream feedback pipe (26) is connected to indication adapter (33).
6. self diagnosis single flow surge reliever according to claim 5, it is characterised in that: the fixing piece (35) includes
Be set to valve plug (8) towards upper film chamber (9) one side groove (351), be set to the first annular groove of indicator bar (34) periphery wall
(352), it is arranged in the circlip for shaft (353) of the first annular groove (352), is set to groove (351) and presses axis elasticity gear
It encloses the gasket (354) of (353) and presses the circlip for hole (355) of gasket (354), groove (351) side wall is equipped with
The second annular groove (356) being embedded for circlip for hole (355).
7. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: in guide's valve seat (12)
Equipped with spring base (36), it is threaded with driving spring seat (36) on guide's valve seat (12) and is axially moved along pilot valve spring (20)
Dynamic adjusting bolt (37), the adjusting bolt (37) are fixedly connected with spring base (36).
8. self diagnosis single flow surge reliever according to claim 7, it is characterised in that: adjusting bolt (37) position
Lock nut (38) are threaded in the external position of guide's valve seat (12).
9. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: main valve lid (2) direction
The one side of main spool spring (10), which is equipped with, is embedded and limits its limiting slot (39) moved radially for main spool spring (10).
10. self diagnosis single flow surge reliever according to claim 1, it is characterised in that: on the gas vent (21)
It is threaded with plug screw (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987057.9U CN208417648U (en) | 2018-06-26 | 2018-06-26 | Self diagnosis single flow surge reliever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987057.9U CN208417648U (en) | 2018-06-26 | 2018-06-26 | Self diagnosis single flow surge reliever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417648U true CN208417648U (en) | 2019-01-22 |
Family
ID=65107974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987057.9U Active CN208417648U (en) | 2018-06-26 | 2018-06-26 | Self diagnosis single flow surge reliever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417648U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112879627A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy-proportion pilot-operated safety water hammer relief valve directly driven by vane motor |
| CN112879628A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Axial flow water hammer relief valve directly driven by gear motor with servo-adjustable valve opening area |
| CN112879625A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy-proportion pilot-operated type axial-flow safety water hammer relief valve directly driven by gear motor |
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- 2018-06-26 CN CN201820987057.9U patent/CN208417648U/en active Active
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| CN112879627A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy-proportion pilot-operated safety water hammer relief valve directly driven by vane motor |
| CN112879628A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Axial flow water hammer relief valve directly driven by gear motor with servo-adjustable valve opening area |
| CN112879625A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy-proportion pilot-operated type axial-flow safety water hammer relief valve directly driven by gear motor |
| CN112943991A (en) * | 2021-02-09 | 2021-06-11 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy electromagnetic pilot type safety water hammer relief valve directly driven by vane motor |
| CN112984201A (en) * | 2021-02-09 | 2021-06-18 | 国家石油天然气管网集团有限公司华南分公司 | Double-control axial flow mechanical pilot type water machine pressure release valve directly driven by vane type hydraulic motor |
| CN112984201B (en) * | 2021-02-09 | 2023-01-17 | 国家石油天然气管网集团有限公司华南分公司 | Blade type hydraulic motor direct-driven double-control axial flow mechanical pilot type water hammer relief valve |
| CN112943991B (en) * | 2021-02-09 | 2023-01-17 | 国家石油天然气管网集团有限公司华南分公司 | Multi-redundancy electromagnetic pilot type safety water hammer relief valve directly driven by vane motor |
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