CN206280559U - Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber - Google Patents
Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber Download PDFInfo
- Publication number
- CN206280559U CN206280559U CN201621310122.1U CN201621310122U CN206280559U CN 206280559 U CN206280559 U CN 206280559U CN 201621310122 U CN201621310122 U CN 201621310122U CN 206280559 U CN206280559 U CN 206280559U
- Authority
- CN
- China
- Prior art keywords
- valve body
- sets
- valve
- core print
- print seat
- 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.)
- Expired - Fee Related
Links
- 230000008676 import Effects 0.000 title abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 241001416181 Axis axis Species 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 238000010422 painting Methods 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses the self-balancing valve that ratio is imported and exported in a kind of adjustable and balancing chamber, it is by top cap；Small O-ring；Valve rod；Sealing gasket；Baffle plate；Big O-ring；Equalizing bed；Airtight and watertight padding；Adjustment axis；Locknut；Lower valve body；Middle O-ring；Valve element；Cushion pad；Lower valve core print seat；Diaphragm；Connecting seat；Upper valve core print seat；Bumper ring；Upper valve body；Bonnet；Spring is constituted.Increased the device that adjustment valve counter balance pocket imports and exports aperture ratio, the lifting switchable valve of valve rod and the initial flow of setting outlet, flow area during inlet pressure increase between valve element bottom and cushion pad reduces, to avoid rate of discharge from increasing because import end pressure increases；Valve element bottom increases with the flow area of cushion pad when import end pressure reduces, to make up the flow loss that inlet pressure reduces and causes, can substantially determine that system under test (SUT) balanced valve counter balance pocket imports and exports the ideal ratio in aperture by rotating adjustment axis, system outlet flow is in relatively steady state.
Description
Technical field
The utility model is related to a kind of adjustable and balancing chamber to import and export the self-balancing valve of ratio.
Background technology
In some industries, due to operating mode reason, medium has larger pressure in the various pieces of pipeline or container
Difference or difference in flow, to reduce the difference, it is necessary to the component with equilibrium function is set, is used to adjust the phase of each branch pressure
To balance, or the balance that flow is reached by the method for shunting.Generally, balanced valve is provided with a counter balance pocket separated by diaphragm,
The side of film and water inlet end insertion, opposite side and the water side insertion of film promote diaphragm band movable valve plug using the pressure difference of Inlet and outlet water
To change valve flow area, the purpose that flow is controlled in the range of certain operting differential pressure is reached.Existing balanced valve counter balance pocket is entered
The ratio of outlet aperture is a definite value, if counter balance pocket import is larger with the ratio of outlet aperture, when inlet pressure is raised, because of balance
The effect of chamber port of export back pressure, valve element downstream rate can ease up；If import is smaller with the ratio of outlet aperture, inlet pressure is raised
When, valve element downstream rate is relative just fast；So the size of counter balance pocket aperture ratio will directly affect the speed and width of diaphragm action
Degree, because various operating modes are not quite similar to the requirement that diaphragm acts speed and amplitude size；Therefore, balance under different operating modes is studied
The ratio that aperture is imported and exported in chamber is one of content of solution system job stability.
The content of the invention
In order to solve this problem, the utility model sets one kind in balanced valve can change counter balance pocket turnover by regulation
The device of oral pore footpath ratio, import and export aperture ratio is higher to the susceptibility that system pressure changes, being capable of base by field adjustable
This determination system under test (SUT) operation best region or perfect condition, the present invention is achieved through the following technical solutions, it by
Top cap, small O-ring, valve rod, sealing gasket, baffle plate, big O-ring, equalizing bed, airtight and watertight padding, adjustment axis, locknut, lower valve body, in it is O-shaped
Circle, valve element, cushion pad, lower valve core print seat, diaphragm, connecting seat, upper valve core print seat, bumper ring, upper valve body, bonnet, spring composition.It is described
Lower valve body body contours approximately in round table-like, round platform is symmetrical arranged a pair cylinders mutually passed through with round platform bus, in cylinder
Heart line and round platform vertical and intersectant centerline, lower valve body body lumen are axially arranged with installation lower valve core print seat, the cylindrical hole of upper valve core print seat,
Lower zone is provided with counterbore, and counterbore base is provided with the small boss for installing cushion pad, if two cylinders mutually passed through with round platform bus enter
Water outlet interface tube, port sets the internal thread being connected with pipe, and the inner chamber of water inlet interface sets flow channels and plane insertion on round platform,
The inner chamber of water outlet mouthpiece sets flow channels.The upper plane of round platform is provided with installation equalizing bed, the step of upper valve body, is provided with fixed upper valve body
Screw hole.Installation airtight and watertight padding, adjustment axis, the ladder screw thread of locknut are additionally provided with round platform bus above water outlet mouthpiece
Hole, is equipped with internal thread in two shoulder holes, aperture caliber inner screw thread is matched with adjustment axis, and large aperture screw thread coincide with locknut.It is described
Upper valve body profile be generally large, medium and small three-level round platform rank, enlarged diameter section has a normal direction fin with middle diameter segment combination plane,
The end of reduced diameter section sets the external screw thread engaged with top cap, and the big transverse plane of upper valve body sets the annulus being coincide with plane in lower valve body,
Enlarged diameter section to middle diameter segment inner chamber sets the cylindrical hole for installing baffle plate and bonnet, normal direction fin inner side hollow out as intake tunnel,
Middle diameter segment sets the through hole for installing valve rod with reduced diameter section junction, and through hole sets the annular groove for installing small O-ring, in reduced diameter section
Chamber is the spring-loaded cylindrical hole of peace.Upper valve body and lower valve body mode connects for screw, screw set and cause that upper valve body is intake with lower valve body
The orientation of passage is consistent.Described lower valve core print seat is cylindrical, and outside diameter is kissed with the cylindrical hole of lower valve body body lumen
Close, Tong Di centers set the through hole that cooperation is moved with valve element, through hole is provided with the annular groove of O-ring in installing, and nozzle sets and upper valve core print seat
The step of matching；Lower valve core print seat sets an aperture, hole diameter and tune on the extended line of lower valve body outlet side adjustment axis axis
The nodal axisn small end diameter of axle is dynamic to be coordinated, the taper hole that aperture apertura lateralis Kou Huo tapers match with adjustment axis circular cone.Described upper valve core print seat
Cylindrical, Tong Di centers set the pilot hole that cooperation is moved with valve element, and cylinder side sets the aperture of and intake antrum insertion, and nozzle sets
The step matched with lower valve core print seat, cylinder bottom outside is provided with round platform, and round platform aperture sets the conical surface, is allowed to good with the sphere-contact of bonnet
It is good；Cylinder bottom periphery is additionally provided with the annular groove for installing big O-ring.Described valve rod is the middle elongate rod for setting spring shoulder block, bar
One end be provided with setting-in baffle plate and bonnet draw-in groove.Described bonnet is the cylinder of plastics, rubber or nylon material manufacture, one
End is spherical, and center sets the aperture fastened with valve rod.Described adjustment axis set screw thread for centre, and one end sets screw-driver slot, the other end
If be oriented to behind small column and small column setting the small axle of screw thread of circular cone；Chute was provided with small column and circular cone.Described locknut
Center is the through hole coordinated with regulation shaft clearance, and one end sets the external screw thread being connected with lower valve body, and the other end sets the hexagonal of rotation
Head.Described valve element is the pipe that external diameter coordinates with upper valve core print seat, lower valve core print seat gap, the connection of valve element middle part and fixed diaphragm
Seat consolidation；Connecting seat is circular right angle corner flange circle, and diaphragm is round and elastic flat parts, by sheet metal or gluing fibrage
Material manufacture, diaphragm is cementing with connecting seat plane or rivets.Described cushion pad is annular in shape, is manufactured by synthetic rubber.
Assembling：Load cushion pad on the boss of lower valve body bottom, the O-ring in lower valve core print seat centre bore groove is embedded in
After load lower valve body, the aperture of lower valve core print seat side is Chong Dies with the adjustment axis axis set at lower valve body exhalant canal, screws in tune
Nodal axisn, fills airtight and watertight padding, screws in locknut.Valve element, connecting seat, diaphragm unit are loaded into lower valve core print seat, is entered in valve core upper sleeve slow
Punching circle, the big O-ring of insertion in upper valve core seat ring groove, and lower valve body will be loaded after side aperture alignment lower valve body intake tunnel.Again
The small O-ring of insertion in the centre bore groove of upper valve body, valve rod is inserted after being inserted in spring from upper valve body small end centre bore, then will gear
Plate and bonnet are stuck in the end of valve rod, and sealing gasket is then inserted on valve rod, and small O-ring is embedded in top cap central bore groove,
Top cover is inserted in from valve rod end and is screwed with upper valve body.Finally upper valve body portion is bolted together with lower valve body portion with screw,
Equalizing bed is set in the junction of upper valve body and lower valve body, and is consistent upper valve body and the orientation of lower valve body intake tunnel.
Lifting valve rod can switch and set the initial flow of valve export under normal circumstances, when inlet pressure increases,
Press water enters balance chamber diaphragm epicoele through upper valve core print seat side wall aperture, and effect valve element is moved down, made between valve element bottom and cushion pad
Flow area reduce, with avoid rate of discharge because import end pressure increase and increase.When import end pressure reduces, valve element because
Balance chamber diaphragm upper cavity pressure relative to cavity pressure under diaphragm reduction and upper shifting so that the circulation of valve element bottom and cushion pad cuts
Face increases, and reduces the flow loss for causing to make up inlet pressure, but because system condition is each has something to recommend him, therefore counter balance pocket is solid
Fixed import and export aperture ratio is difficult to make system operation up to optimum state, and the utility model then can be basic by rotating adjustment axis
Determine that system under test (SUT) balanced valve counter balance pocket imports and exports the ideal ratio in aperture, system outlet flow is in metastable shape
State.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structure sectional view of the present utility model.
Fig. 2 is the top view of the utility model Fig. 1.
Fig. 3 is that the utility model adjusts axonometric drawing.
Fig. 4 is the section view of position shown in Fig. 3.
Fig. 5 is Fig. 3 left views.
Fig. 6 is position section view shown in Fig. 5.
1, top cap in figure；2nd, small O-ring；3rd, valve rod；4th, sealing gasket；5th, baffle plate；6th, big O-ring；7th, equalizing bed；8th, sealing is filled out
Material；9th, adjustment axis；10th, locknut；11st, lower valve body；12nd, middle O-ring；13rd, valve element；14th, cushion pad；15th, lower valve core print seat；16th, film
Piece；17th, connecting seat；18th, upper valve core print seat；19th, bumper ring；20th, upper valve body；21st, bonnet；22nd, spring；Arrow direction is liquid
Stream direction.
Specific embodiment
Approximately in round table-like, round platform is symmetrical arranged a pair and is mutually passed through with round platform bus described lower valve body (11) body contours
Cylinder, its center line and round platform vertical and intersectant centerline, lower valve body (11) body lumen are axially arranged with installation bottom spool
Seat (15), the cylindrical hole of upper valve core print seat (18), lower zone are provided with counterbore, and counterbore base is provided with installs the small convex of cushion pad (14)
Platform, if the two cylinder water inlet pipe and water outlet pipe interfaces mutually passed through with round platform bus, port sets the internal thread being connected with pipe, water inlet interface
Inner chamber sets flow channels and plane insertion on round platform, and the inner chamber of water outlet mouthpiece sets flow channels.The upper plane of round platform is provided with installation
The step of equalizing bed (7), upper valve body (20), is provided with the screw hole of fixed upper valve body (20).Round platform above water outlet mouthpiece is female
Installation airtight and watertight padding (8), adjustment axis (9), the ladder threaded hole of locknut (10) are additionally provided with line, interior spiral shell is equipped with two shoulder holes
Line, aperture caliber inner screw thread is matched with adjustment axis (9), and macropore caliber inner screw thread coincide with locknut (10).Described upper valve body (20) is outward
Shape is generally large, medium and small three-level round platform rank, and enlarged diameter section has a normal direction fin with middle diameter segment combination plane, reduced diameter section
End sets the external screw thread engaged with top cap (1), and the big transverse plane of upper valve body (20) sets the annulus being coincide with plane in lower valve body (11),
Enlarged diameter section to middle diameter segment inner chamber sets the cylindrical hole for installing baffle plate (5) and bonnet (21), and hollow out is used as entering on the inside of normal direction fin
Aquaporin, middle diameter segment sets the through hole for installing valve rod (3) with reduced diameter section junction, and through hole sets the ring for installing small O-ring (2)
Groove, reduced diameter section inner chamber is the cylindrical hole of installation spring (22).Upper valve body (20) uses mode connects for screw with lower valve body (11), and screw sets
Put so that upper valve body (20) is consistent with the orientation of lower valve body (11) intake tunnel.Described lower valve core print seat (15) is in cylinder
Shape, outside diameter coincide with the cylindrical hole of lower valve body (11) body lumen, and Tong Di centers set the through hole with the dynamic cooperation of valve element (13),
Through hole is provided with the annular groove of O-ring (12) in installing, and nozzle sets the step matched with upper valve core print seat (18)；Lower valve core print seat (15) exists
An aperture, hole diameter and adjustment axis (9) small end diameter of axle are set on the extended line of lower valve body (11) outlet side adjustment axis (9) axis
It is dynamic to coordinate, the taper hole that the Kou Huo tapers of aperture apertura lateralis match with adjustment axis (9) circular cone.Described upper valve core print seat (18) is in cylinder
Shape, Tong Di centers set the pilot hole for coordinating dynamic with valve element (13), and cylinder side sets the aperture of and intake antrum insertion, nozzle set with
The step of lower valve core print seat (15) matching, cylinder bottom outside is provided with round platform, and round platform aperture sets the conical surface, is allowed to be connect with the sphere of bonnet (21)
Touch good；Cylinder bottom periphery is additionally provided with the annular groove for installing big O-ring (6).Described valve rod (3) is that centre sets spring shoulder block
Elongate rod, one end of bar is provided with the draw-in groove of setting-in baffle plate (5) and bonnet (21).Described bonnet (21) is plastics, rubber or Buddhist nun
The cylinder of imperial material manufacture, one end is spherical, and center sets the aperture fastened with valve rod (3).Described adjustment axis (9) are centre
If screw thread, one end sets screw-driver slot, and the other end sets the small axle of screw thread for being oriented to behind small column and small column and setting circular cone；Small column and circle
Chute was provided with cone.Described locknut (10) center is the through hole coordinated with adjustment axis (9) gap, and one end sets and lower valve body
(11) external screw thread of connection, the other end sets the turret head of rotation.Described valve element (13) is external diameter and upper valve core print seat (18), under
The pipe that valve core case (15) gap coordinates, valve element (13) middle part consolidates with the connecting seat (17) of fixed diaphragm (16)；Connecting seat
(17) it is circular right angle corner flange circle, diaphragm (16) is round and elastic flat parts, by sheet metal or gluing fiber woven material
Manufacture, diaphragm (16) is cementing with connecting seat (17) plane or rivets.Described cushion pad (14) is annular in shape, by synthetic rubber system
Make.Described sealing gasket (4), bumper ring (19) is by elastomeric material manufacture.
Claims (5)
1. the self-balancing valve of ratio is imported and exported in a kind of adjustable and balancing chamber, by top cap, small O-ring, valve rod, sealing gasket, gear
Plate, big O-ring, equalizing bed, airtight and watertight padding, adjustment axis, locknut, lower valve body, middle O-ring, valve element, cushion pad, lower valve core print seat, film
Piece, connecting seat, upper valve core print seat, bumper ring, upper valve body, bonnet, spring composition；Described lower valve body body contours are in approximately round platform
Shape, round platform is symmetrical arranged a pair cylinders mutually passed through with round platform bus, its center line and round platform vertical and intersectant centerline, under
Valve body inner chamber is axially arranged with installation lower valve core print seat, the cylindrical hole of upper valve core print seat, and lower zone is provided with counterbore, and counterbore base sets
There is the small boss for installing cushion pad, if the two cylinder water inlet pipe and water outlet pipe interfaces mutually passed through with round platform bus, port sets and is connected with pipe
Internal thread, the inner chamber of water inlet interface sets flow channels with plane insertion on round platform, and the inner chamber of water outlet mouthpiece sets flow channels, circle
The upper plane of platform is provided with installation equalizing bed, the step of upper valve body, the screw hole of fixed upper valve body is provided with, above water outlet mouthpiece
Installation airtight and watertight padding, adjustment axis, the ladder threaded hole of locknut are additionally provided with round platform bus, internal thread are equipped with two shoulder holes,
Aperture caliber inner screw thread is matched with adjustment axis, and large aperture screw thread coincide with locknut；Described upper valve body profile is generally large, medium and small three
Level round platform rank, enlarged diameter section has a normal direction fin with middle diameter segment combination plane, and the end of reduced diameter section sets engages with top cap
External screw thread, the big transverse plane of upper valve body sets the annulus being coincide with plane in lower valve body, and enlarged diameter section to middle diameter segment inner chamber sets peace
The cylindrical hole of dress baffle plate and bonnet, used as intake tunnel, middle diameter segment sets normal direction fin inner side hollow out with reduced diameter section junction
The through hole of valve rod is installed, through hole sets the annular groove for installing small O-ring, and reduced diameter section inner chamber is the spring-loaded cylindrical hole of peace, upper valve
Body and lower valve body mode connects for screw, screw set and cause that upper valve body is consistent with the orientation of lower valve body intake tunnel；Described
Lower valve core print seat is cylindrical, and outside diameter coincide with the cylindrical hole of lower valve body body lumen, and Tong Di centers set coordinate dynamic with valve element
Through hole, through hole is provided with the annular groove of O-ring in installing, and nozzle sets the step matched with upper valve core print seat, and lower valve core print seat is in lower valve
An aperture is set on the extended line of body outlet side adjustment axis axis, hole diameter is dynamic with the adjustment axis small end diameter of axle to be coordinated, outside aperture
The taper hole that side opening Kou Huo tapers match with adjustment axis circular cone；Described upper valve core print seat is cylindrical, and Tong Di centers set and valve element
The dynamic pilot hole for coordinating, cylinder side sets the aperture of and intake antrum insertion, and nozzle sets the step matched with lower valve core print seat, cylinder bottom
Outside is provided with round platform, and round platform aperture sets the conical surface, is allowed to good with the sphere-contact of bonnet；It is big that cylinder bottom periphery is additionally provided with installation
The annular groove of O-ring；Described valve rod is the middle elongate rod for setting spring shoulder block, and one end of bar is provided with the card of setting-in baffle plate and bonnet
Groove.
2. the self-balancing valve of ratio is imported and exported in a kind of adjustable and balancing chamber according to claim 1, it is characterized in that institute
The bonnet stated is the cylinder of plastics, rubber or nylon material manufacture, and one end is spherical, and center sets the aperture fastened with valve rod.
3. the self-balancing valve of ratio is imported and exported in a kind of adjustable and balancing chamber according to claim 1, it is characterized in that institute
The adjustment axis stated set screw thread for centre, and one end sets screw-driver slot, and the other end sets the spiral shell for being oriented to behind small column and small column and setting circular cone
The small axle of line, chute was provided with small column and circular cone.
4. the self-balancing valve of ratio is imported and exported in a kind of adjustable and balancing chamber according to claim 1, it is characterized in that institute
The valve element stated is the pipe that external diameter coordinates with upper valve core print seat, lower valve core print seat gap, and valve element middle part is consolidated with the connecting seat of fixed diaphragm
Knot；Described connecting seat is circular right angle corner flange circle, and diaphragm is round and elastic flat parts, is compiled by sheet metal or painting glue fiber
Material manufacture is knitted, diaphragm is cementing with connecting seat plane or rivets.
5. the self-balancing valve of ratio is imported and exported in a kind of adjustable and balancing chamber according to claim 1, it is characterized in that on
Valve body, lower valve body, upper valve core print seat, lower valve core print seat are manufactured by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310122.1U CN206280559U (en) | 2016-12-01 | 2016-12-01 | Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310122.1U CN206280559U (en) | 2016-12-01 | 2016-12-01 | Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280559U true CN206280559U (en) | 2017-06-27 |
Family
ID=59075777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621310122.1U Expired - Fee Related CN206280559U (en) | 2016-12-01 | 2016-12-01 | Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268515A (en) * | 2018-11-02 | 2019-01-25 | 徐国华 | A kind of band displacement micromatic setting regulating valve application method |
| CN109882582A (en) * | 2019-03-05 | 2019-06-14 | 宁波双驰电子有限公司 | A kind of double clutch gearbox active lubrication valve |
-
2016
- 2016-12-01 CN CN201621310122.1U patent/CN206280559U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268515A (en) * | 2018-11-02 | 2019-01-25 | 徐国华 | A kind of band displacement micromatic setting regulating valve application method |
| CN109882582A (en) * | 2019-03-05 | 2019-06-14 | 宁波双驰电子有限公司 | A kind of double clutch gearbox active lubrication valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206280559U (en) | Import and export the self-balancing valve of ratio in a kind of adjustable and balancing chamber | |
| CN202972081U (en) | Self-operated differential pressure balance valve | |
| CN203892601U (en) | Precise directional control valve | |
| CN208670112U (en) | A kind of pressure-control valve | |
| CN110029974B (en) | Pre-tightening adjustable constant-current blanking plug | |
| CN106369200A (en) | Gas spring overflow valve | |
| CN203926972U (en) | A kind of differential pressure control valve | |
| CN107202173B (en) | Water regulating valve | |
| CN205859274U (en) | Adjustable dynamic balance valve | |
| CN110671519B (en) | Tubular flow control valve | |
| CN203477158U (en) | Recovery damping force adjustable hydraulic damper | |
| CN103075544B (en) | Anti-scald constant-temperature faucet | |
| CN207989870U (en) | A kind of split type adjustable flow dynamic balance valve | |
| CN209385745U (en) | Flow dynamics balanced valve | |
| CN207777654U (en) | A kind of flow control valve being conveniently replaceable component | |
| CN204878106U (en) | Large -traffic efflux tubular electricity feedback servovalve | |
| CN211488210U (en) | Manual regulating valve of spraying equipment | |
| CN209041686U (en) | A kind of piston type branch pipe pressure-reducing valve | |
| CN207715860U (en) | A kind of pressure reduction structure with check-valves | |
| CN207715840U (en) | A kind of pressure reduction structure with flow controller | |
| CN207609825U (en) | A kind of natural gas liquefaction exchange pressure regulator | |
| CN202756644U (en) | Precision air current throttle valve | |
| CN206802411U (en) | A kind of decompression valve | |
| CN103644342A (en) | Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve | |
| CN206145322U (en) | Novel hydraulic pipe connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180207 Address after: 311802 Jinling Industrial District, Ruan City, Zhuji, Zhejiang Patentee after: ZHEJIANG HENGSEN INDUSTRY GROUP Co.,Ltd. Address before: 311800 No. 1, unit 1, No. 1, No. 7, Jiyang Street Bridge Road, Zhuji City, Shaoxing, Zhejiang Patentee before: Huang Youhua |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 |