CN108953661A - A kind of hard water draining seal ball valve of high temperature and pressure - Google Patents
A kind of hard water draining seal ball valve of high temperature and pressure Download PDFInfo
- Publication number
- CN108953661A CN108953661A CN201811035722.5A CN201811035722A CN108953661A CN 108953661 A CN108953661 A CN 108953661A CN 201811035722 A CN201811035722 A CN 201811035722A CN 108953661 A CN108953661 A CN 108953661A
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve body
- bracket
- additionally provided
- 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.)
- Withdrawn
Links
- 239000008233 hard water Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 210000004907 gland Anatomy 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- -1 Steam Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of hard water draining seal ball valves of high temperature and pressure, it is intended to provide a kind of high-temperature and high-presure resistent ball valve, its key points of the technical solution are that, including valve body, sealing device is equipped in the valve body, the sealing device includes valve body and the intracorporal channel of valve, fixed valve base is fixedly welded on the right side of the valve body, the valve ball that primary seal is constituted with fixed valve base is additionally provided in the valve body, the channel other side is equipped with movable valve seat, the holddown spring being bonded with valve ball is additionally provided in the movable valve seat, the holddown spring is additionally provided with adjustment valve deck far from valve ball one end, the adjustment valve deck is additionally provided with check ring far from holddown spring side, the movable valve seat top is additionally provided with inner hole step, the adjustment valve deck side is equipped with the procheilon for being inserted into inner hole step.
Description
Technical field
The present invention relates to ball valve apparatus field, in particular to a kind of hard water draining seal ball valve of high temperature and pressure.
Background technique
Hard seal ball valve, manual cast steel hard seal ball valve body surface uses advanced spraying technology, by various differences
The processing of working condition, maximum hardness is up to HRC78.The processing of sealing surface of seat, maximum hardness is up to HRC72.Sphere and valve
Seat carries out pairing grinding, and all sealing areas of the entire sealing surface of ball valve pass through precise finiss.Be suitable for high temperature and pressure water,
Steam, petroleum, coal, fiber, consistence and corrosive media, and the medium with particle.Metal seal ball valve have float ball and
Fixed two kinds of structural metal valve cup rings of ball and sphere-contact, by act on uniform spring-load on valve cup ring make valve cup ring and
Spherical surface forms sealing.
Currently, the Chinese patent of Publication No. CN207421767U discloses a kind of Pneumatic high temperature high pressure draining ball valve, it
Including, including bracket, valve body, axis hole is provided on bracket, the top of valve rod passes through axis hole, and stem bottom and the sphere connect
It connects, two sides are respectively equipped with medium entrance and media outlet in valve body, and import valve seat is provided in the valve body of medium inlet side
It is provided with outlet valve seat in the valve body of media outlet side, the appearance at position being connected on the valve body with bracket
Face is provided with a groove body, and groove body is an arc groove, is connected with pneumatic head on the top of bracket, pneumatic head by shaft coupling with
The valve rod is connected.
Although the outer surface inclined-plane at the position that this Pneumatic high temperature high pressure draining ball valve is connected on valve body with bracket
Formula groove external form, welding when, are able to protection valve when can effectively reduce welding deformation, especially post weld heat treatment；Joining
Limiting device on limiting slot and bracket is set on axis device, the amplitude peak of opening and closing can be controlled, is guaranteed accurate
Ground realization is fully opened and a fully closed, but often this kind of drainage spherical valve is when medium passes through valve seat due to medium high velocity stream
It crosses, and medium is directly facing valve core sealed cover and sealing surface of seat, thus sealing surface washes away seriously, valve service life is shorter,
It seriously affects the efficiency of unit and threatens safe operation.
Summary of the invention
The object of the present invention is to provide a kind of hard water draining seal ball valves of high temperature and pressure, make with can effectively improve valve
With that can also use for a long time in the case where service life, then high temperature and pressure, there is antiscour, have stable high-temperature performance, fast opening and closing
Advantage.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of hard water draining seal ball valve of high temperature and pressure, including valve body, the valve body is interior to be equipped with sealing device, the sealing device packet
It includes and is located at the intracorporal channel of valve, be fixedly welded with fixed valve base on the right side of the valve body, be additionally provided in the valve body and fixed valve base
The valve ball of primary seal is constituted, the channel other side is equipped with movable valve seat, is additionally provided in the movable valve seat and is bonded with valve ball
Holddown spring, the holddown spring are additionally provided with adjustment valve deck far from valve ball one end, and the adjustment valve deck is far from holddown spring side
It is additionally provided with check ring, the movable valve seat top is additionally provided with inner hole step, and the adjustment valve deck side is equipped in being inserted into
The procheilon of hole step.
By using above-mentioned technical proposal, valve is whole installation, by compared with fission, reducing by a leakage point,
Pressure-bearing reliability is provided, fixed valve base and valve body are fixedly welded on the right side of channel, and valve ball and fixed valve base constitute valve primary seal,
Valve ball can be rotated by 90 ° around valve rod axis, realize valve opening and closing motion, procheilon insertion activity on the right side of adjustment valve deck
In valve seat inner hole step, the working chamber of holddown spring is closed, medium and sundries not can enter the region of holddown spring, guarantee in this way
The elasticity of spring persistently maintains, and the effective stability for guaranteeing whole equipment improves the service life of valve.
Further setting: being equipped with pressure-bearing device above the sealing device, the pressure-bearing device includes being located at fixed valve base
The airtight and watertight padding of top, the gland above airtight and watertight padding for compression, the fixation on gland to valve body
Bolt and the stop nut above fixing bolt.
By using above-mentioned technical proposal, equipped with pressure-bearing device can must effectively guarantee that valve body obtains service life, simultaneously
Again in pipeline when medium is by generating larger pressure, equipped with airtight and watertight padding and gland must can effectively be kept out
Firmly pressure guarantees that entirety must use to reduce the problems such as appearance generates leakage due to high pressure.
Further setting: being additionally provided with the driving device for driving valve ball to rotate in the valve body, above the valve body with
Valve ball connection valve rod, positioned at the valve stem tip handle vertical with valve rod, the bracket and holder pivots that are equipped with above valve body
It connects and is sheathed on the bearing on valve rod and above bearing and be sheathed on the bearing gland on valve rod.
By using above-mentioned technical proposal, the rotation of entire ball valve must can be effectively helped equipped with driving device, is set simultaneously
Some bearing glands can also effectively guarantee the sealing performance of entire bearing, improve whole service life, ensure driving device
Normal operation.
Further setting: the valve rod top and the part of bearing touch are stuck between bearing and chassis plane, the valve
Cylindrical body is equipped at the top of body, the pedestal lower end portion is equipped with bracket holes, and the bracket passes through bracket holes and cylindrical body phase with valve body
Cooperation.
By using above-mentioned technical proposal, body top design has cylindrical body, forms mating surface with pedestal lower end portion inner hole,
Bracket holes are installed in valve body cylindrical surface as positioning, guarantee that valve rod is installed on the concentricity of bracket or more, when valve rod turns round, on
It is lower coaxial steadily without swing, improve valve service life and sealing performance.
Further setting: being additionally provided with limiting device on the valve, the limiting device includes the circle positioned at pedestal upper end
Column screw, the locating piece for being sheathed on valve rod upper end.
Preferably, the locating piece is L shape.
By using above-mentioned technical proposal, locating piece and valve rod end rotation, rotation angle are limited by positioning cylinder screw,
The control of ball valve switch position is achieved, guarantees that switch is accurate in place.
Further setting: axle sleeve is equipped between the stem lower portion and valve body.
By using above-mentioned technical proposal, it is mounted with axle sleeve between stem lower portion and valve body, is made for wear-resistant material, bracket
Upper end configures bearing, and the two forms support base up and down, and bearing accepts valve rod medium thrust simultaneously, reduces torsion when valve opening
Power, make valve opening operation easily, run smoothly.
In conclusion the invention has the following advantages: entire ball valve entirety in use can be effectively ensured
Sealing performance is preferable, can effectively guarantee its sealing performance in the environment of high temperature and pressure, has antiscour, and high-temperature behavior is steady
Calmly, the features such as fast opening and closing.
Detailed description of the invention
Fig. 1 is the hard water draining seal ball valve structural schematic diagram of high temperature and pressure；
Fig. 2 is the anti-accumulation signal figure structure schematic representation of the hard water draining seal ball valve holddown spring of high temperature and pressure；
Fig. 3 is the cooperation cylindrical surface schematic diagram of the hard water draining seal ball valve body top of high temperature and pressure and bracket holes；
Fig. 4 is the hard water draining seal ball valve rotary limit device structural schematic diagram of high temperature and pressure.
In figure, 1, valve body；2, sealing device；21, channel；22, fixed valve base；23, valve ball；24, movable valve seat；25, it presses
Tight spring；26, valve deck is adjusted；27, check ring；28, inner hole step；29, procheilon；3, pressure-bearing device；31, airtight and watertight padding；32,
Gland；33, fixing bolt；34, stop nut；4, driving device；41, valve rod；42, handle；43, bracket；44, bearing；
45, bearing gland；5, cylindrical body；6, bracket holes；7, limiting device；71, roller screw；72, locating piece；8, axle sleeve.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: a kind of hard water draining seal ball valve of high temperature and pressure, as shown in Figure 1, Figure 2 and Figure 3, including valve body 1, valve body
Sealing device 2 is equipped in 1, sealing device 2 includes the channel 21 in valve body 1, and is fixedly welded with fixed valve on the right side of valve body 1
Seat 22 is additionally provided with the valve ball 23 that primary seal valve is constituted with fixed valve base 22 in valve body 1, is equipped with moving valve in 21 other side of channel
Seat 24, is additionally provided with the holddown spring 25 being bonded with valve ball 23 in movable valve seat 24, and holddown spring 25 far from 23 one end of valve ball also
Equipped with adjustment valve deck 26, it is additionally provided with check ring 27 far from 25 side of holddown spring in adjustment valve deck 26, while in movable valve seat
24 tops are additionally provided with inner hole step 28, and adjust 26 side of valve deck equipped with the procheilon 29 for being inserted into inner hole step 28, to make
It must adjust in 26 right side procheilon 29 of valve deck insertion 24 inner hole step 28 of movable valve seat.
Pressure-bearing device 3 is equipped with above sealing device 2, pressure-bearing device 3 includes that the sealing positioned at 22 top of fixed valve base is filled out
Material 31 is being located at the gland 32 being additionally provided with above airtight and watertight padding 31 for compression, and fixing bolt 33 is located at gland 32
Top is also threaded with stop nut 34 on gland 32 to valve body 1 above fixing bolt 33.
It is additionally provided with the driving device 4 for driving valve ball 23 to rotate on valve body 1, is equipped in valve body 1 and is connect with valve ball 23
Valve rod 41, between 41 lower part of valve rod and valve body 1 be equipped with axle sleeve 8, and 41 top of valve rod be equipped with the handle 42 vertical with valve rod 41,
For rotation valve rod 41, while being located above valve body 1 and being equipped with bracket 43, and is rotatably connected to bearing 44 on bracket 43, bearing 44
It is sheathed on valve rod 41, while being located above bearing 44 and being additionally provided with 44 gland of bearing being set on valve rod 41.41 top of valve rod
The part contacted with bearing 44 is stuck between 43 plane of bearing 44 and bracket, and cylindrical body 5 is equipped at the top of valve body 1, in bracket 43
Lower end is equipped with 43 hole of bracket, and bracket 43 is matched by 43 hole of bracket with cylindrical body 5 with valve body 1.
Limiting device 7 is additionally provided on valve simultaneously, as shown in figure 4, limiting device 7 includes the circle positioned at 43 upper end of bracket
Column screw 71, the locating piece 72 for being sheathed on 41 upper end of valve rod, locating piece 72 are L shape.
Its main operational principle is as follows: it is mainly made of pressure-bearing device 3, sealing device 2, driving device 4.Wherein pressure-bearing
Device 3 is made of valve body 1, airtight and watertight padding 31, gland 32, hold-down bolt, stop nut 34, forms entire valve body 1, and whole
Body valve body 1 reduces by a leakage point, provides pressure-bearing reliability compared with fission.And airtight and watertight padding 31 is used for gland 32
Valve rod 41 act when to external seal, hold-down bolt may be implemented to pre-tighten online, guarantee high temperature and pressure performance.
And valve internal sealing system is by valve ball 23, fixed valve base 22, movable valve seat 24, holddown spring 25, adjustment valve deck
26 and check ring 27 form, fixed valve base 22 and valve body 1 are fixedly welded on 21 right side of channel, valve ball 23 and 22 structure of fixed valve base
At valve primary seal, valve ball 23 can be rotated by 90 ° around 41 axis of valve rod, realize valve opening and closing motion.Holddown spring
25 compress movable valve seats 24, be bondeds with valve ball 23, and generation initial pretightening force acts on 22 sealing surface of fixed valve base, and when closing is situated between
Matter pressing force further acts on spherical surface, guarantees the seal pressure of fixed valve base 22, realizes the seal request of valve.Adjust valve deck
The pressing force of 26 adjustable springs, check ring 27 is for preventing adjustment valve deck 26 from unclamping.It opens adjustment 26 left side port of valve deck
Slot, the insert port for screw thread rotation tool.
Valve actuator 4 is mainly made of valve rod 41, handle 42, bearing 44, bracket 43,44 gland of bearing, handle 42
It links when rotation with valve rod 41, drives 23 synchronous rotary of valve ball, realize valve opening and closing motion, 41 top of valve rod and bearing
The step of 44 contacts is stuck between 43 plane of bearing 44 and bracket, prevents 41 axis vibration of valve rod, and valve body 1 can prevent valve when being pressurized
Bar 41 sprays.Valve rack 43 is cooperated at the top of cylindrical body 5(Fig. 3 with valve body 1 by 43 lower end circular hole of bracket and valve body 1) match
It closes, guarantees that concentricity, 41 lower part of valve rod configure axle sleeve 8 up and down when valve rod 41 rotates, top configures bearing 44, guarantees that valve rod 41 revolves
Stability when turning.
Such as 7 schematic diagram of limiting device that Fig. 4 is valve, the installation of roller screw 71 and 43 upper surface of bracket, 72 sets of locating piece
At 41 upper end square-section of valve rod, locating piece 72 is L shape, with 41 end rotation of valve rod, rotates angle and is limited by positioning cylinder
The control of ball valve switch position is achieved in screw 71, guarantees that switch is accurate in place.It is simultaneously movable valve seat 24 on the left of valve ball 23
And butterfly spring, the 23 coating material condition of high temperature of valve ball is heated to be expanded, if two sides valve seat is fixed valve base 22,
Then high-temperature expansion coating can not absorb elimination dilation dimension, it may occur that spherical surface coating is gnawed, and cannot be sealed after spherical surface damage, this hair
Bright to fix an activity form using two sides valve seat one, confrontation sphere high-temperature expansion deformation effectively prolongs the service life.
The above embodiments are only explanation of the invention, are not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of hard water draining seal ball valve of high temperature and pressure, including valve body (1), it is characterised in that: be equipped with sealing in the valve body (1)
Device (2), the sealing device (2) include the channel (21) in valve body (1), are fixedly welded on the right side of the valve body (1)
Fixed valve base (22), the valve body (1) is interior to be additionally provided with the valve ball (23) that primary seal is constituted with fixed valve base (22), the channel
(21) other side is equipped with movable valve seat (24), is additionally provided with the holddown spring being bonded with valve ball (23) on the movable valve seat (24)
(25), the holddown spring (25) is additionally provided with adjustment valve deck (26) far from valve ball (23) one end, and the adjustment valve deck (26) is separate
Holddown spring (25) side is additionally provided with check ring (27), and movable valve seat (24) top is additionally provided with inner hole step (28), institute
Adjustment valve deck (26) side is stated equipped with the procheilon (29) for being inserted into inner hole step (28).
2. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 1, it is characterised in that: the sealing device
(2) top be equipped with pressure-bearing device (3), the pressure-bearing device (3) include be located at fixed valve base (22) above airtight and watertight padding (31),
For the gland (32) of compression, the fixation on gland (32) to valve body (1) above airtight and watertight padding (31)
Bolt (33) and the stop nut (34) being located above fixing bolt (33).
3. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 2, it is characterised in that: in the valve body (1)
It is additionally provided with the driving device (4) for driving valve ball (23) to rotate, the valve rod connecting above the valve body (1) with valve ball (23)
(41), be located at valve rod (41) the top handle (42) vertical with valve rod (41), be located at bracket (43) that valve body (1) top is equipped with,
With bracket (43) rotation connection and the bearing (44) being sheathed on valve rod (41) and above bearing (44) and it is sheathed on valve rod
(41) bearing (44) gland on.
4. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 3, it is characterised in that: on the valve rod (41)
The part that portion is contacted with bearing (44) is stuck between bearing (44) and bracket (43) plane, and cylinder is equipped at the top of the valve body (1)
Body (5), bracket (43) lower end are equipped with bracket (43) hole, the bracket (43) and valve body (1) by bracket (43) hole with
Cylindrical body (5) matches.
5. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 4, it is characterised in that: also set on the valve
Have limiting device (7), the limiting device (7) includes the roller screw (71) for being located at bracket (43) upper end, is sheathed on valve rod
(41) locating piece (72) of upper end.
6. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 5, it is characterised in that: the locating piece (72)
For L shape.
7. the hard water draining seal ball valve of a kind of high temperature and pressure according to claim 6, it is characterised in that: under the valve rod (41)
Axle sleeve (8) are equipped between portion and valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035722.5A CN108953661A (en) | 2018-09-06 | 2018-09-06 | A kind of hard water draining seal ball valve of high temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035722.5A CN108953661A (en) | 2018-09-06 | 2018-09-06 | A kind of hard water draining seal ball valve of high temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953661A true CN108953661A (en) | 2018-12-07 |
Family
ID=64476034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811035722.5A Withdrawn CN108953661A (en) | 2018-09-06 | 2018-09-06 | A kind of hard water draining seal ball valve of high temperature and pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798372A (en) * | 2019-03-14 | 2019-05-24 | 江苏神通阀门股份有限公司 | Formula beveled ball valve is filled on a kind of low temperature |
| CN115614500A (en) * | 2022-12-13 | 2023-01-17 | 德科隆（无锡）流体控制有限公司 | A high-pressure wear-resistant floating ball valve |
-
2018
- 2018-09-06 CN CN201811035722.5A patent/CN108953661A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798372A (en) * | 2019-03-14 | 2019-05-24 | 江苏神通阀门股份有限公司 | Formula beveled ball valve is filled on a kind of low temperature |
| CN115614500A (en) * | 2022-12-13 | 2023-01-17 | 德科隆（无锡）流体控制有限公司 | A high-pressure wear-resistant floating ball valve |
| CN115614500B (en) * | 2022-12-13 | 2023-03-10 | 德科隆（无锡）流体控制有限公司 | A high-pressure wear-resistant floating ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112460283B (en) | A horizontal shaft eccentric hemispherical valve | |
| CN204004541U (en) | A kind of floating type upper dress ball valve | |
| CN108953661A (en) | A kind of hard water draining seal ball valve of high temperature and pressure | |
| CN108361386A (en) | Electric expansion valve | |
| JPH05332460A (en) | Eccentric rotary plug valve | |
| CN208793690U (en) | A kind of hard water draining seal ball valve of high temperature and pressure | |
| CN110499984A (en) | A kind of mandrel and device have the anti-violence universal hydraulic hinge of the mandrel | |
| CN206175747U (en) | Diaphragm formula low pressure relief valve | |
| CN209654621U (en) | A kind of novel two-way high sealing double eccentric butterfly valve | |
| CN209444830U (en) | A kind of pipe valve switch | |
| CN207297921U (en) | A kind of valve core valve stem component of control valve | |
| CN207421764U (en) | Pneumatic high temperature high pressure draining ball valve with stopper | |
| CN207421767U (en) | Pneumatic high temperature high pressure draining ball valve | |
| CN109139944A (en) | A kind of novel movable flap of shut-off valve | |
| CN209687774U (en) | A kind of steering fire pump secured adjusted base | |
| CN216692183U (en) | Valve seat with elastic compensation function | |
| CN112283386A (en) | Ultra-low temperature top-mounted seriation ball valve that floats | |
| CN114658866B (en) | Durable quick-mounting butterfly valve and use method thereof | |
| CN215635124U (en) | High-pressure ball valve for oil well | |
| CN212643617U (en) | High-pressure hard-sealing drainage ball valve | |
| CN216279691U (en) | Anti-loosening structure for hand wheel of sampling valve | |
| CN101943273A (en) | Energy-saving eccentric semi-ball valve | |
| CN215445140U (en) | Upper-mounted eccentric half-ball valve with regulating press ring on valve seat | |
| CN201059368Y (en) | Dual-channel sealing eccentric hemisphere valve | |
| CN209385757U (en) | A kind of rotary regulating valve of stainless steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |