CN214500109U - Flange signal gate valve with switch signal indicator lamp - Google Patents
Flange signal gate valve with switch signal indicator lamp Download PDFInfo
- Publication number
- CN214500109U CN214500109U CN202120610310.0U CN202120610310U CN214500109U CN 214500109 U CN214500109 U CN 214500109U CN 202120610310 U CN202120610310 U CN 202120610310U CN 214500109 U CN214500109 U CN 214500109U
- Authority
- CN
- China
- Prior art keywords
- valve
- signal
- cover
- lamp
- valve rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to a valve field especially relates to a flange signal gate valve with switching signal pilot lamp. The to-be-solved technical problem of the utility model is to provide a can audio-visually know the open and close state of valve, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damaging the valve, reach the flange signal gate valve that has the switch signal pilot lamp that improves valve life and control accuracy. The utility model provides a flange signal gate valve with signal indicator, is including valve body, valve gap, rubber packing pad, signal indicator, top cap, fixed bolster, detection device, valve rod fixed block, axle sleeve, valve rod, first gear, hand wheel, valve-stem nut, elasticity disk seat, locking pin, gland packing and shield. The utility model discloses reached can audio-visual understanding valve open and close the state, prevented that operating personnel from touching by mistake and cross the moment of torsion operation and damaging the valve, reached the effect that improves valve life and control accuracy.
Description
Technical Field
The utility model relates to a field especially relates to a flange signal gate valve with switching signal pilot lamp.
Background
The valve is used for opening and closing pipeline, controlling flow direction, regulating and controlling parameters of conveying medium, and is used for various valves used in fluid control system, from simplest stop valve to very complicated automatic control system, and its variety and specification are very various, and the gate valve is one of many pipeline valves, mainly used for controlling forced flow-stopping of liquid medium in pipeline, and is extensively used, and its opening and closing member is a gate plate, and its movement direction is perpendicular to fluid direction, and the gate valve can only be fully opened and fully closed, but can not be regulated and throttled.
At the operating mode occasion of some important grades, the gate valve need provide signal output device, so that the on-off state of timely perception valve, and prevent that operating personnel from crossing the moment of torsion operation and damaging the valve, operating personnel makes the gate valve not the full open state if rotating the hand wheel by accident in the use simultaneously, field management personnel also can in time discover and handle this moment, will bring the fire control potential safety hazard so and need urgent research and development one kind can audio-visual understanding the on-off state of valve, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damaging the valve, reach the flange signal gate valve that has the switch signal pilot lamp that improves valve life and control accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the unable audio-visual state of opening and close of observing the valve of dark pole gate valve, while operating personnel mistake touches and cross the shortcoming that the moment of torsion operation damaged the valve, the to-be-solved technical problem of the utility model is to provide a can audio-visual understanding the state of opening and close of valve, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damage the valve, reach the flange signal gate valve that has the switch signal pilot lamp that improves valve life and control accuracy.
The utility model is achieved by the following concrete technical means:
a flange signal gate valve with a switch signal indicator lamp comprises a valve body, a valve cover, a rubber sealing gasket, a signal indicator lamp, a top cover, a fixed support, a detection device, a valve rod fixed block, a shaft sleeve, a valve rod, a first gear, a hand wheel, a valve rod nut, an elastic valve seat, a locking pin, a sealing filler and a dust cover; a water through hole is formed in the center of the valve body, flanges connected with a pipeline are arranged at two ends of the valve body, a protruding platform is arranged at the upper end of the valve body, and a cavity connected with the water through hole is formed in the protruding platform; the upper end of the valve cover is provided with a shaft hole, and the lower end of the valve cover is provided with a cavity; the valve cover is positioned at the upper end of the valve body and is fixedly connected with the valve body protruding platform through a bolt; a rubber sealing gasket is arranged on the end face of the joint of the valve body and the valve cover; the signal indicator lamp is positioned on one side of the valve cover and is fixedly connected with the valve cover through a bolt; the top cover is positioned above the valve cover and is fixedly connected with the valve cover through a bolt, and the top cover is provided with a shaft hole; the fixed bracket is fixed above the top cover through a bolt; the detection device is positioned on one side of the fixed support and is connected with the fixed support through a bolt, and the output end of the detection device is electrically connected with the signal indicator lamp; the valve rod fixing block is positioned in the top cover shaft hole and fixedly connected with the top cover; the shaft sleeve is fixed in a shaft hole at the upper end of the valve cover; the upper end of the valve rod is positioned in the shaft holes formed in the top cover and the valve cover, and is rotationally fixed in the shaft holes through the valve rod fixing block and the shaft sleeve, and the upper end of the valve rod extends out of the top cover; the lower end of the valve rod penetrates through the cavity and extends to the upper end of the water through hole; the first gear is positioned above the top cover and fixedly connected to the upper end of the valve rod; the hand wheel is positioned above the valve rod and is fixedly connected with the valve rod through a bolt; the lower end of the valve rod is provided with threads, and the valve rod nut is fixedly connected to the lower end of the valve rod through the threads; a through hole is formed in the center of the elastic valve seat, and a thread is arranged at the front section of the through hole; the elastic valve seat is slidably arranged in a cavity arranged in the valve body and is fixedly connected with the valve rod nut through threads, and a locking pin is arranged at the connection part; the sealing filler is arranged in a shaft hole at the upper end of the valve cover and is positioned above the shaft sleeve; the dustproof cover is positioned at the joint of the valve rod at the upper end of the top cover and the top cover.
Further, the signal indicator lamp comprises a lamp post, a first signal lamp, a second signal lamp and a third signal lamp; the lamp post is fixedly connected with the valve cover through a bolt; the first signal lamp, the second signal lamp and the third signal lamp are sequentially and fixedly arranged on the lamp post.
Further, the detection device comprises a shell, a screw rod, a second gear, a moving block and a contact block; the shell is arranged on the fixed bracket through a bolt; the screw rod is rotatably arranged at the upper end and the lower end of the shell, and the upper end of the screw rod extends out of the shell; the second gear is positioned above the shell and fixedly arranged at the upper end of the screw rod, and the second gear is meshed with the first gear; the moving block is positioned in the shell and meshed with the lead screw, and one end of the moving block is provided with a sliding block which is connected with a sliding groove arranged in the shell in a sliding manner; the contact block is positioned in the shell and fixedly arranged on the side wall of the shell.
Furthermore, one end of the moving block is provided with a convex block, and the upper end and the lower end of the convex block are provided with contact pieces; the upper and lower ends of the contact block are provided with contact pieces.
Furthermore, sliding grooves are formed in two ends of a cavity of the valve body, and sliding blocks are arranged at two ends of the elastic valve seat.
Furthermore, the outer surface of the elastic valve seat is coated with an elastic rubber layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses reached can audio-visual understanding valve open and close the state, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damage the valve, reach the effect that improves valve life and control accuracy, through observing the state of opening and close that the signal lamp can audio-visual understanding valve, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damage the valve, reach improvement valve life and control accuracy.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic view of the main view full-section structure of the present invention.
Fig. 5 is a schematic view of the side-view full-section structure of the present invention.
Fig. 6 is a schematic view of a partial structure of the present invention.
The labels in the figures are: 1-a valve body, 2-a valve cover, 3-a rubber sealing gasket, 4-a signal indicator light, 5-a top cover, 6-a fixed support, 7-a detection device, 8-a valve rod fixed block, 9-a shaft sleeve, 10-a valve rod, 11-a first gear, 12-a hand wheel, 13-a valve rod nut, 14-an elastic valve seat, 15-a locking pin, 16-a sealing filler, 17-a dustproof cover, 41-a lamp post, 42-a first signal light, 43-a second signal light, 44-a third signal light, 71-a shell, 72-a screw rod, 73-a second gear, 74-a moving block and 75-a contact block.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
A flange signal gate valve with a switch signal indicator lamp is shown in figures 1-6 and comprises a valve body 1, a valve cover 2, a rubber sealing gasket 3, a signal indicator lamp 4, a top cover 5, a fixing support 6, a detection device 7, a valve rod fixing block 8, a shaft sleeve 9, a valve rod 10, a first gear 11, a hand wheel 12, a valve rod nut 13, an elastic valve seat 14, a locking pin 15, a sealing filler 16 and a dust cover 17; a water through hole is formed in the center of the valve body 1, flanges connected with a pipeline are arranged at two ends of the valve body, a protruding platform is arranged at the upper end of the valve body, and a cavity connected with the water through hole is formed in the protruding platform; the upper end of the valve cover 2 is provided with a shaft hole, and the lower end is provided with a cavity; the valve cover 2 is positioned at the upper end of the valve body 1 and is fixedly connected with a protruding platform of the valve body 1 through a bolt; the end face of the joint of the valve body 1 and the valve cover 2 is provided with a rubber sealing gasket 3; the signal indicator lamp 4 is positioned on one side of the valve cover 2 and is fixedly connected with the valve cover 2 through a bolt; the top cover 5 is positioned above the valve cover 2 and is fixedly connected with the valve cover 2 through bolts, and the top cover 5 is provided with a shaft hole; the fixed bracket 6 is fixed above the top cover 5 through bolts; the detection device 7 is positioned on one side of the fixed support 6 and is connected with the fixed support 6 through a bolt, and the output end of the detection device 7 is electrically connected with the signal indicator lamp 4; the valve rod fixing block 8 is positioned in the shaft hole of the top cover 5 and is fixedly connected with the top cover 5; the shaft sleeve 9 is fixed in a shaft hole at the upper end of the valve cover 2; the upper end of the valve rod 10 is positioned in the shaft holes arranged on the top cover 5 and the valve cover 2, is rotatably fixed in the shaft holes through a valve rod fixing block 8 and a shaft sleeve 9, and extends out of the top cover 5; the lower end of the valve rod 10 penetrates through the cavity and extends to the upper end of the water through hole; the first gear 11 is positioned above the top cover 5 and fixedly connected to the upper end of the valve rod 10; the hand wheel 12 is positioned above the valve rod 10 and is fixedly connected with the valve rod 10 through a bolt; the lower end of the valve rod 10 is provided with threads, and the valve rod nut 13 is fixedly connected to the lower end of the valve rod 10 through the threads; a through hole is formed in the center of the elastic valve seat 14, and a thread is arranged at the front section of the through hole; the elastic valve seat 14 is slidably arranged in a cavity arranged in the valve body 1 and is fixedly connected with the valve rod nut 13 through threads, and a locking pin 15 is arranged at the joint; the sealing filler 16 is arranged in a shaft hole at the upper end of the valve cover 2 and is positioned above the shaft sleeve 9; the dust cap 17 is positioned at the joint of the valve rod 10 and the top cover 5 at the upper end of the top cover 5.
The signal indicating lamp 4 comprises a lamp post 41, a first signal lamp 42, a second signal lamp 43 and a third signal lamp 44; the lamp post 41 is fixedly connected with the valve cover 2 through a bolt; the first signal lamp 42, the second signal lamp 43, and the third signal lamp 44 are sequentially fixedly mounted on the lamp post 41.
The detection device 7 comprises a shell 71, a screw rod 72, a second gear 73, a moving block 74 and a contact block 75; the housing 71 is mounted on the fixed bracket 6 by bolts; the screw rods 72 are rotatably arranged at the upper end and the lower end of the shell 71, and the upper ends of the screw rods extend out of the shell 71; the second gear 73 is positioned above the shell 71 and is fixedly arranged at the upper end of the screw rod 72, and the second gear 73 is meshed with the first gear 11; the moving block 74 is positioned in the shell 71 and meshed with the screw rod 72, and one end of the moving block 74 is provided with a sliding block which is connected with a sliding groove arranged on the shell 71 in a sliding manner; the contact block 75 is located within the housing 71 and is fixedly mounted to a side wall of the housing 71.
One end of the moving block 74 is provided with a convex block, and the upper end and the lower end of the convex block are provided with contact pieces; contact pieces are mounted on the upper and lower ends of the contact block 75.
Two ends of a cavity of the valve body 1 are provided with sliding grooves, and two ends of the elastic valve seat 14 are provided with sliding blocks.
The outer surface of the elastic valve seat 14 is coated with an elastic rubber layer.
The working principle is as follows: the gate valve is fixed between two pipelines through flanges at two ends of the valve body 1, so that water flow can flow into the pipeline at the other side from the pipeline at one side, the hand wheel 12 is rotated to drive the valve rod 10 to rotate, the valve rod 10 rotates to drive the valve rod nut 13 to move up and down so as to drive the elastic valve seat 14 to move up and down, meanwhile, the first gear 11 fixed at the upper end of the valve rod 10 also rotates along with the valve rod 10 when the valve rod 10 rotates, the first gear 11 drives the second gear 73 meshed with the first gear to rotate, the second gear 73 drives the lead screw to rotate, and the moving block 74 meshed with the lead screw 72 moves up and down; when the elastic valve seat 14 and the water through hole of the valve body 1 are completely closed and water flow is cut off, the moving block 74 moves to the bottom of the shell 71, the contact piece arranged on the protruding block on one side of the moving block 74 is contacted with the contact piece arranged at the lower end of the contact block 75, the first signal lamp 42 is lightened to indicate that the valve body 1 is completely closed, when the hand wheel 12 is rotated to enable the water through hole of the elastic valve seat 14 to be lifted to be opened, the moving block 74 moves to the top of the shell 71, the contact piece arranged on the protruding block on one side of the moving block 74 is contacted with the contact piece arranged at the upper end of the contact block 75, the second signal lamp 43 is lightened to indicate that the valve body 1 is completely opened, when the third signal lamp 44 is lightened, the contact piece arranged on the protruding block of the moving block 74 is not contacted with the contact pieces arranged at the upper end and the lower end of the contact block 75, and the valve is not in a fully opened or fully closed state, and the valve needs to be adjusted in time, so that the valve is prevented from being damaged due to water flow impact; can audio-visually know the on-off state of valve through observing the signal lamp, prevent that operating personnel from touching by mistake and cross the moment of torsion operation and damaging the valve, reach improvement valve life and control accuracy, elastic valve seat 14 coats the rubber layer outward, elastic valve seat 14 plays sealed leak-proof effect with 1 limbers contact extrusion rubber layer of valve body, elastic valve seat 14 is equipped with locking pin 15 with valve-stem nut 13 junction, make elastic valve seat 14 and valve-stem nut 13 throw off when preventing that valve rod 10 from rotating and lead to the valve inefficacy, be provided with packing 16 in the shaft hole of valve gap 2 upper end, valve gap 2 and top cap 5 junction and valve rod 10 and top cap 5 junction still are provided with the sealing washer, make the valve obtain high leakproofness through multiple sealing, and valve rod 10 and top cap 5 junction top still are provided with shield 17, reach the effect that prevents that the dust from getting into and influence valve leakproofness.
Wherein, the signal indicator lamp 4 comprises a lamp post 41, a first signal lamp 42, a second signal lamp 43 and a third signal lamp 44; the lamp post 41 is fixedly connected with the valve cover 2 through a bolt; the first signal lamp 42, the second signal lamp 43 and the third signal lamp 44 are fixedly arranged on the lamp post 41; the current state of the valve is shown by the lighting of different signal lamps, so that the operator can timely perform processing, the control is accurate, and the operator is prevented from mistakenly touching and operating the torque to damage the valve.
Wherein, one end of the moving block 74 is provided with a convex block, and the upper and lower ends of the convex block are provided with contact pieces; the upper and lower ends of the contact block 75 are provided with contact pieces; the contact of the contact piece shows that the opening and closing of the valve are accurate in signal transmission, so that the valve is controlled more accurately.
Wherein, the two ends of the cavity of the valve body 1 are provided with sliding grooves, and the two ends of the elastic valve seat 14 are provided with sliding blocks. The sliding blocks at two ends of the elastic valve seat 14 are slidably mounted in the sliding grooves, and the sliding grooves play a guiding role to ensure that the friction resistance is small when the elastic valve seat 14 is opened and closed, so that the effects of opening and closing more flexibly and reliably and prolonging the service life of the elastic valve seat 14 are achieved.
Wherein, the outer surface of the elastic valve seat 14 is coated with an elastic rubber layer. When the elastic valve seat 14 is closed, the elastic valve seat 14 contacts with the water through hole of the valve body 1 to extrude the elastic rubber layer, so that the elastic rubber layer is deformed and fully contacts with the sealing surface of the water through hole to achieve high sealing performance.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.
Claims (6)
1. A flange signal gate valve with a switch signal indicator lamp is characterized by comprising a valve body (1), a valve cover (2), a rubber sealing gasket (3), a signal indicator lamp (4), a top cover (5), a fixing support (6), a detection device (7), a valve rod fixing block (8), a shaft sleeve (9), a valve rod (10), a first gear (11), a hand wheel (12), a valve rod nut (13), an elastic valve seat (14), a locking pin (15), a sealing filler (16) and a dust cover (17); a water through hole is formed in the center of the valve body (1), flanges connected with a pipeline are arranged at two ends of the valve body, a protruding platform is arranged at the upper end of the valve body, and a cavity connected with the water through hole is formed in the protruding platform; the upper end of the valve cover (2) is provided with a shaft hole, and the lower end is provided with a cavity; the valve cover (2) is positioned at the upper end of the valve body (1) and is fixedly connected with a protruding platform of the valve body (1) through a bolt; a rubber sealing gasket (3) is arranged on the end face of the joint of the valve body (1) and the valve cover (2); the signal indicator lamp (4) is positioned on one side of the valve cover (2) and is fixedly connected with the valve cover (2) through a bolt; the top cover (5) is positioned above the valve cover (2) and is fixedly connected with the valve cover (2) through bolts, and the top cover (5) is provided with a shaft hole; the fixed bracket (6) is fixed above the top cover (5) through bolts; the detection device (7) is positioned on one side of the fixed support (6) and connected with the fixed support (6) through a bolt, and the output end of the detection device (7) is electrically connected with the signal indicator lamp (4); the valve rod fixing block (8) is positioned in the shaft hole of the top cover (5) and is fixedly connected with the top cover (5); the shaft sleeve (9) is fixed in a shaft hole at the upper end of the valve cover (2); the upper end of the valve rod (10) is positioned in the shaft holes formed in the top cover (5) and the valve cover (2), and is rotationally fixed in the shaft holes through a valve rod fixing block (8) and a shaft sleeve (9), and the upper end of the valve rod extends out of the top cover (5); the lower end of the valve rod (10) penetrates through the cavity and extends to the upper end of the water through hole; the first gear (11) is positioned above the top cover (5) and fixedly connected to the upper end of the valve rod (10); the hand wheel (12) is positioned above the valve rod (10) and is fixedly connected with the valve rod (10) through a bolt; the lower end of the valve rod (10) is provided with threads, and the valve rod nut (13) is fixedly connected to the lower end of the valve rod (10) through the threads; a through hole is arranged in the center of the elastic valve seat (14), and the front section of the through hole is provided with threads; the elastic valve seat (14) is slidably arranged in a cavity arranged in the valve body (1) and is fixedly connected with the valve rod nut (13) through threads, and a locking pin (15) is arranged at the joint; the sealing filler (16) is arranged in a shaft hole at the upper end of the valve cover (2) and is positioned above the shaft sleeve (9); the dust cap (17) is positioned at the joint of the valve rod (10) at the upper end of the top cover (5) and the top cover (5).
2. The flange signal gate valve with the on-off signal indicating lamp according to claim 1, wherein the signal indicating lamp (4) comprises a lamp post (41), a first signal lamp (42), a second signal lamp (43) and a third signal lamp (44); the lamp post (41) is fixedly connected with the valve cover (2) through a bolt; the first signal lamp (42), the second signal lamp (43) and the third signal lamp (44) are sequentially and fixedly arranged on the lamp post (41).
3. The flange signal gate valve with the switch signal indicator lamp as claimed in claim 1, wherein the detection device (7) comprises a housing (71), a lead screw (72), a second gear (73), a moving block (74) and a contact block (75); the shell (71) is arranged on the fixed bracket (6) through a bolt; the screw rod (72) is rotatably arranged at the upper end and the lower end of the shell (71), and the upper end of the screw rod extends out of the shell (71); the second gear (73) is positioned above the shell (71), is fixedly arranged at the upper end of the screw rod (72), and is meshed with the first gear (11); the moving block (74) is positioned in the shell (71) and meshed with the screw rod (72), and one end of the moving block (74) is provided with a sliding block which is in sliding connection with a sliding groove arranged in the shell (71); the contact block (75) is positioned in the shell (71) and is fixedly arranged on the side wall of the shell (71).
4. The flange signal gate valve with the switch signal indicator lamp as claimed in claim 3, wherein one end of the moving block (74) is provided with a convex block, and the upper end and the lower end of the convex block are provided with contact pieces; the upper end and the lower end of the contact block (75) are provided with contact pieces.
5. The flange signal gate valve with the switch signal indicator lamp as claimed in claim 1, wherein sliding grooves are formed at two ends of a cavity of the valve body (1), and sliding blocks are formed at two ends of the elastic valve seat (14).
6. The flange signal gate valve with the switch signal indicator lamp as claimed in claim 1, wherein the outer surface of the elastic valve seat (14) is coated with an elastic rubber layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120610310.0U CN214500109U (en) | 2021-03-25 | 2021-03-25 | Flange signal gate valve with switch signal indicator lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120610310.0U CN214500109U (en) | 2021-03-25 | 2021-03-25 | Flange signal gate valve with switch signal indicator lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214500109U true CN214500109U (en) | 2021-10-26 |
Family
ID=78200297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120610310.0U Active CN214500109U (en) | 2021-03-25 | 2021-03-25 | Flange signal gate valve with switch signal indicator lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214500109U (en) |
-
2021
- 2021-03-25 CN CN202120610310.0U patent/CN214500109U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214500109U (en) | Flange signal gate valve with switch signal indicator lamp | |
CN101363556A (en) | Instrument block valve of double sealing structure with lower valve spindle not rotating | |
CN201443649U (en) | Instrument block valve of dual seal structure with non-rotary lower valve stem | |
CN205047868U (en) | A two valves for middle and low voltage pipeline | |
CN2196714Y (en) | Indicating brake-valve with contact opened when it is electrified | |
CN202597797U (en) | Low-resistance swing type check valve of gas pipeline | |
CN201443650U (en) | Instrument block valve of seal structure with non-rotary lower valve stem | |
CN211624282U (en) | Manual V-shaped ball valve | |
CN203322352U (en) | Electric ball valve | |
CN202118298U (en) | Nuclear power diaphragm valve | |
CN212959903U (en) | Fire-fighting signal butterfly valve capable of improving sealing performance | |
CN212107149U (en) | Manual cutting device | |
CN210600251U (en) | Erosion-corrosion-resistant ceramic ball valve | |
CN208074209U (en) | A kind of floating ball valve | |
CN218718951U (en) | Case revolution mechanic and ball valve | |
CN213655741U (en) | Hydraulic stop valve with reset spring | |
CN214617944U (en) | All-welded ball valve | |
CN216618617U (en) | Adjusting ball valve with automatic cleaning function | |
CN213145431U (en) | Ball valve rod | |
CN203322360U (en) | Novel electric ball valve | |
CN214037095U (en) | Manual ball valve with signal switch | |
CN210687124U (en) | Stop check valve | |
CN209130222U (en) | A kind of single piece type floating ball valve | |
CN217683354U (en) | Prevent blowing off upper seal track ball valve | |
CN216789278U (en) | Corrugated pipe gate valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |