CN220668674U - High-strength stainless steel BA pipe - Google Patents
High-strength stainless steel BA pipe Download PDFInfo
- Publication number
- CN220668674U CN220668674U CN202322346613.8U CN202322346613U CN220668674U CN 220668674 U CN220668674 U CN 220668674U CN 202322346613 U CN202322346613 U CN 202322346613U CN 220668674 U CN220668674 U CN 220668674U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- pipe
- wall
- sleeve
- coating
- 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
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 160
- 239000010935 stainless steel Substances 0.000 title claims abstract description 160
- 238000003466 welding Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims description 41
- 238000000576 coating method Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 5
- 229910000619 316 stainless steel Inorganic materials 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000006750 UV protection Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a high-strength stainless steel BA pipe, which comprises a stainless steel pipe body and a stainless steel inner pipe sleeve, wherein the stainless steel inner pipe sleeve is welded at the pipe orifice of the stainless steel pipe body, a limit groove is formed in the inner wall of the pipe orifice of the stainless steel pipe body, welding feet are welded at the top end and the bottom end of the outer wall of the stainless steel inner pipe sleeve, the welding feet are L-shaped, a connecting inner pipe is inserted into the stainless steel inner pipe sleeve, and the connecting inner pipe extends into the stainless steel pipe body through the inner part of the stainless steel inner pipe sleeve. This high strength stainless steel BA pipe is through being provided with spacing groove, screw hole, connecting inner tube, stainless steel inner tube cover, leg, stainless steel outer tube cover, connecting bolt, through optimizing connection structure, improves and connects the compactness, can realize multiunit body and connect steadily, is applicable to long-distance fluid transmission, greatly reduced assembly cost and assembly time, solved connection structure compactness poor, problem that assembly speed is slow.
Description
Technical Field
The utility model relates to the technical field of stainless steel BA pipes, in particular to a high-strength stainless steel BA pipe.
Background
The 316L stainless steel is a derivative model of austenitic stainless steel and is mainly prepared from elements such as carbon, silicon, manganese, sulfur, phosphorus, chromium, nickel, molybdenum and the like in a certain proportion. The 316L stainless steel has wide application, and compared with the 304 stainless steel, the 316 stainless steel has better high temperature resistant effect, and the 316 stainless steel plate and the steel pipe are widely used in production and life.
The current high strength stainless steel BA pipe needs the custom pipe mouth in order to connect, adopts simple pipe box and mounting such as bolt to be connected in most, however this kind of connection structure often because connect the compactness poor, when causing the body long distance to connect the assembly, transmission stability is poor, and the assembly is consuming time.
Therefore, a brand new high-strength stainless steel BA pipe is provided, the connection structure of the steel pipe is optimized, and the technical defects are overcome.
Disclosure of Invention
The utility model aims to provide a high-strength stainless steel BA pipe so as to solve the problems of poor connection tightness, poor transmission stability and time-consuming assembly in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength stainless steel BA pipe, includes stainless steel pipe body and stainless steel inner tube cover, the welding of stainless steel pipe body mouth of pipe department has stainless steel inner tube cover, limit groove has been seted up to stainless steel pipe body mouth of pipe inner wall department, stainless steel inner tube cover outer wall top and bottom all weld the weld leg, the weld leg is "L" shape, the inside grafting of stainless steel inner tube cover has the connection inner tube, the inside that the connection inner tube runs through stainless steel inner tube cover extends to in the stainless steel pipe body, the outside of stainless steel pipe body is equipped with removable stainless steel outer tube cover, stainless steel outer tube cover be the pipe cover with stainless steel pipe body radian assorted, the stainless steel pipe body passes through stainless steel outer tube cover and constitutes connecting unit.
Preferably, the top end and the bottom end of the inner wall of the stainless steel tube body are welded with fixed clamping blocks, and the part of the connecting inner tube extending into the stainless steel tube body is abutted with the fixed clamping blocks.
Preferably, threaded holes are formed in the stainless steel outer pipe sleeve, the welding leg and the stainless steel inner pipe sleeve, connecting bolts are arranged in the threaded holes, the stainless steel outer pipe sleeve, the welding leg and the stainless steel inner pipe sleeve are fixedly connected through the connecting bolts, and the connecting bolts penetrate through the stainless steel inner pipe sleeve and are abutted against the outer wall of the connecting inner pipe.
Preferably, a spring groove is formed in the outer wall of the connecting inner tube, and a pressure-relieving spring is arranged between the spring groove and the inner wall of the stainless steel tube body.
Preferably, the end part of the pressure-relieving spring is welded and fixed with the connecting inner pipe, and the other end part of the pressure-relieving spring is abutted against the inner wall of the stainless steel pipe body.
Preferably, the inner wall of the stainless steel pipe body is coated with a first coating, the first coating is made of an epoxy resin anti-corrosion layer material, the outer wall of the stainless steel pipe body is provided with a second coating, and the second coating is made of a polyethylene coating material.
Preferably, the inner wall of the stainless steel inner tube sleeve is adhered with a reinforcing layer, the reinforcing layer is made of nylon elastomer, and the outer wall of the connecting inner tube is clung to the nylon elastomer.
Compared with the prior art, the utility model has the beneficial effects that: the high-strength stainless steel BA pipe not only realizes stable connection of a plurality of groups of pipe bodies, is suitable for long-distance fluid transmission, greatly reduces assembly cost and assembly time, realizes a certain elastic compensation effect, reduces the possibility of leakage, but also realizes corrosion resistance, slows down aging speed and prolongs the service life of the pipe bodies;
(1) Through being provided with spacing groove, screw hole, connecting inner tube, stainless steel inner tube sleeve, welding leg, stainless steel outer tube sleeve, connecting bolt, two sets of mouth of pipe of the stainless steel tube body are equipped with connecting inner tube through the stainless steel inner tube sleeve, after the connecting inner tube runs through the stainless steel inner tube sleeve, assemble in the mouth of pipe department of the stainless steel tube body, two sets of connecting inner tubes are connected relatively, then cup joint the stainless steel outer tube sleeve outside it, can connect and assemble using the connecting bolt, thus make the stainless steel tube body form the connecting tube group, two sets of welding leg of the stainless steel inner tube sleeve are pegged graft to the spacing groove inside, thus improve the connection compactness, can realize the stable connection of multiunit body through this connection structure, be applicable to long-distance fluid transmission, greatly reduce assembly cost and assembly time;
(2) Through being provided with the pressure-relieving spring and the spring groove, when internal fluid passes through, the pressure in the pipe can be improved, and when the fluid impact force is larger, the connecting inner pipe can be impacted to cause the shaking of the connecting inner pipe, so the pressure-relieving spring is arranged in the spring groove and is abutted with the inner wall of the stainless steel pipe body, when the connecting inner pipe is subjected to larger impact force, the instantaneous impact force applied to the pipe orifice can be reduced through the self elasticity of the pressure-relieving spring, and the pressure-relieving spring has a certain elastic compensation effect, so that the possibility of leakage is reduced;
(3) Through being provided with first coating, second coating, epoxy anticorrosive coating, polyethylene coating, enhancement layer, nylon elastomer, but connect inner tube and stainless steel inner tube cover relative dismantlement, during the assembly, connect the inner tube outer wall and hug closely the nylon elastomer in the stainless steel inner tube cover, thereby improve sealed effect, and avoid the direct collision of pipe wall through stainless steel inner tube cover, the internal wall coating of stainless steel pipe has first coating, first coating adopts epoxy anticorrosive coating material, reduce the corruption of fluid washout to the pipe wall, and at the external wall coating of stainless steel pipe has the second coating, adopt polyethylene coating material, be difficult for rusting, improve ultraviolet resistance effect, slow down ageing speed, extension body life-span.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic diagram of a connection structure according to the present utility model;
FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is a schematic view of a side view partially in cross section of a stainless steel tube according to the present utility model;
FIG. 5 is a schematic view of a partial cross-sectional structure of the stainless steel inner tube sleeve of the present utility model.
In the figure: 1. a stainless steel pipe body; 2. a limit groove; 3. a pressure-releasing spring; 4. a spring groove; 5. fixing the clamping block; 6. a threaded hole; 7. connecting the inner tube; 8. stainless steel inner tube sleeve; 9. welding feet; 10. stainless steel outer tube sleeve; 11. a connecting bolt; 12. a first coating; 13. a second coating; 14. an epoxy resin anticorrosive layer; 15. a polyethylene coating; 16. a reinforcing layer; 17. nylon elastomer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-5, a high-strength stainless steel BA pipe comprises a stainless steel pipe body 1 and a stainless steel inner pipe sleeve 8, wherein the stainless steel inner pipe sleeve 8 is welded at the pipe orifice of the stainless steel pipe body 1, a limit groove 2 is formed at the inner wall of the pipe orifice of the stainless steel pipe body 1, welding pins 9 are welded at the top end and the bottom end of the outer wall of the stainless steel inner pipe sleeve 8, the welding pins 9 are L-shaped, a connecting inner pipe 7 is inserted into the stainless steel inner pipe sleeve 8, the connecting inner pipe 7 penetrates through the stainless steel inner pipe sleeve 8 and extends into the stainless steel pipe body 1, a detachable stainless steel outer pipe sleeve 10 is assembled outside the stainless steel pipe body 1, the stainless steel outer pipe sleeve 10 is a pipe sleeve matched with the radian of the stainless steel pipe body 1, a connecting unit is formed by the stainless steel outer pipe sleeve 10, fixed clamping blocks 5 are welded at the top end and bottom end of the inner wall of the stainless steel pipe body 1, parts of the connecting inner pipe 7 extending into the stainless steel pipe body 1 are abutted against the fixed clamping blocks 5, threaded holes 6 are formed in the inner pipe sleeve 9 and the stainless steel inner pipe sleeve 8, and the stainless steel inner pipe sleeve 8 are respectively, and the stainless steel inner pipe sleeve 9 and the stainless steel inner pipe sleeve 8 are connected with threaded holes 11 through the threaded holes 11, and the connecting bolt 11 is fixedly connected with the stainless steel inner pipe sleeve 11 and the outer pipe sleeve 11;
specifically, as shown in fig. 1, 2 and 3, two sets of pipe orifices of the stainless steel pipe body 1 are respectively provided with a connecting inner pipe 7 through a stainless steel inner pipe sleeve 8, the connecting inner pipe 7 penetrates through the stainless steel inner pipe sleeve 8 and then is assembled at the pipe orifice of the stainless steel pipe body 1, the two sets of connecting inner pipes 7 are connected relatively, then a stainless steel outer pipe sleeve 10 is sleeved outside the connecting inner pipe 7, and the connecting inner pipe is assembled in a connecting mode by using a connecting bolt 11, so that the stainless steel pipe body 1 forms a connecting pipe group, and two sets of welding legs 9 of the stainless steel inner pipe sleeve 8 are inserted into the limiting groove 2, and therefore the connection tightness is improved.
Example 2: a spring groove 4 is formed in the outer wall of the connecting inner pipe 7, a pressure-relieving spring 3 is arranged between the spring groove 4 and the inner wall of the stainless steel pipe body 1, the end part of the pressure-relieving spring 3 is welded and fixed with the connecting inner pipe 7, and the other end part of the pressure-relieving spring 3 is abutted against the inner wall of the stainless steel pipe body 1;
specifically, as shown in fig. 1, 2 and 3, when the internal fluid passes through, the pressure in the pipe will be increased, and when the fluid impact force is larger, the connecting inner pipe 7 will be impacted to cause the shaking of the connecting inner pipe 7, so a spring groove 4 is provided, a pressure-relieving spring 3 is installed in the spring groove 4, the pressure-relieving spring 3 is abutted with the inner wall of the stainless steel pipe body 1, and when the connecting inner pipe 7 receives a larger impact force, the instantaneous impact force received by the pipe orifice can be reduced through the self elasticity of the pressure-relieving spring 3.
Example 3: the inner wall of the stainless steel pipe body 1 is coated with a first coating 12, the first coating 12 is made of an epoxy resin anti-corrosion layer 14 material, the outer wall of the stainless steel pipe body 1 is provided with a second coating 13, the second coating 13 is made of a polyethylene coating 15 material, the inner wall of the stainless steel inner pipe sleeve 8 is adhered with a reinforcing layer 16, the reinforcing layer 16 is made of a nylon elastomer 17 material, and the outer wall of the connecting inner pipe 7 is tightly attached to the nylon elastomer 17;
specifically, as shown in fig. 1, fig. 4 and fig. 5, the connecting inner tube 7 and the stainless steel inner tube sleeve 8 can be relatively detached, when in assembly, the outer wall of the connecting inner tube 7 is clung to the nylon elastomer 17 in the stainless steel inner tube sleeve 8, so that the sealing effect is improved, the direct collision of the tube wall is avoided through the stainless steel inner tube sleeve 8, the inner wall of the stainless steel tube body 1 is coated with the first coating 12, the first coating 12 is made of an epoxy resin anti-corrosion layer 14, the corrosion of fluid flushing to the tube wall is reduced, the outer wall of the stainless steel tube body 1 is coated with the second coating 13, and the polyethylene coating 15 is made of a material, so that the stainless steel tube is not easy to rust and has a good ultraviolet resistance effect.
Working principle: when the stainless steel pipe body 1 is used, two groups of pipe orifices of the stainless steel pipe body 1 are respectively provided with a connecting inner pipe 7 through a stainless steel inner pipe sleeve 8, the connecting inner pipe 7 penetrates through the stainless steel inner pipe sleeve 8 and then is arranged at the pipe orifice of the stainless steel pipe body 1, the two groups of connecting inner pipes 7 are connected relatively, then the stainless steel outer pipe sleeve 10 is sleeved outside the connecting inner pipe sleeve, the connecting inner pipe sleeves can be connected and assembled by using a connecting bolt 11, so that the stainless steel pipe body 1 forms a connecting pipe group, two groups of welding legs 9 of the stainless steel inner pipe sleeve 8 are inserted into a limiting groove 2, when internal fluid passes through, the pressure in the pipe can be increased, and when the fluid impact force is large, the connecting inner pipe 7 can be impacted to cause the shaking of the connecting inner pipe 7, therefore, a spring groove 4 is arranged, a slow-pressure spring 3 is arranged in the spring groove 4, the slow-pressure spring 3 is abutted against the inner wall of the stainless steel pipe body 1, when connecting inner tube 7 receives great impact force, the instantaneous impact force that the mouth of pipe received can be reduced through the self elasticity of slow-pressure spring 3, connect inner tube 7 and stainless steel inner tube cover 8 can dismantle relatively, during the assembly, connect inner tube 7 outer wall and hug closely the nylon elastomer 17 in the stainless steel inner tube cover 8, thereby improve sealed effect, and avoid the direct collision of pipe wall through stainless steel inner tube cover 8, sealed effectual, the inner wall coating of stainless steel pipe 1 has first coating 12, first coating 12 adopts epoxy anticorrosive coating 14 material, reduce the corruption that fluid erodees to the pipe wall, the body is long-lived, and it has second coating 13 to coat at stainless steel pipe 1 outer wall, adopt polyethylene coating 15 material, be difficult for rust, ultraviolet resistance is effectual, ageing speed is slow, the life in outdoor environment is prolonged.
Claims (7)
1. High strength stainless steel BA pipe, including stainless steel pipe body (1) and stainless steel inner tube cover (8), its characterized in that: the stainless steel pipe body (1) mouth of pipe department welding has interior pipe box (8) of stainless steel, limit groove (2) have been seted up to the interior wall department of mouth of pipe of stainless steel pipe body (1), welding leg (9) have all been welded to stainless steel inner pipe box (8) outer wall top and bottom, welding leg (9) are "L" shape, inside grafting of stainless steel inner pipe box (8) has connect inner tube (7), connect inner tube (7) to run through the inside of stainless steel inner pipe box (8) and extend to in the stainless steel pipe body (1), the outside of stainless steel pipe body (1) is equipped with detachable stainless steel outer pipe box (10), stainless steel outer pipe box (10) be the pipe box with stainless steel pipe body (1) radian assorted, stainless steel pipe body (1) constitute connecting element through stainless steel outer pipe box (10).
2. The high strength stainless steel BA pipe of claim 1 wherein: the stainless steel tube body (1) inner wall top and bottom all weld have fixed fixture block (5), connect the part that inner tube (7) extended to in the stainless steel tube body (1) with fixed fixture block (5) butt.
3. The high strength stainless steel BA pipe of claim 1 wherein: the stainless steel outer pipe sleeve (10), the welding leg (9) and the stainless steel inner pipe sleeve (8) are internally provided with threaded holes (6), connecting bolts (11) are arranged in the threaded holes (6), the stainless steel outer pipe sleeve (10), the welding leg (9) and the stainless steel inner pipe sleeve (8) are fixedly connected through the connecting bolts (11), and the connecting bolts (11) penetrate through the stainless steel inner pipe sleeve (8) and are abutted against the outer wall of the connecting inner pipe (7).
4. The high strength stainless steel BA pipe of claim 1 wherein: the outer wall of the connecting inner pipe (7) is provided with a spring groove (4), and a pressure-relieving spring (3) is arranged between the spring groove (4) and the inner wall of the stainless steel pipe body (1).
5. The high strength stainless steel BA pipe of claim 4 wherein: the end part of the pressure-relieving spring (3) is welded and fixed with the connecting inner tube (7), and the other end part of the pressure-relieving spring (3) is abutted against the inner wall of the stainless steel tube body (1).
6. The high strength stainless steel BA pipe of claim 1 wherein: the stainless steel pipe body (1) inner wall coating has first coating (12), first coating (12) adopt epoxy anticorrosive coating (14) material, stainless steel pipe body (1) outer wall is provided with second coating (13), second coating (13) adopt polyethylene coating (15) material.
7. The high strength stainless steel BA pipe of claim 1 wherein: the inner wall of the stainless steel inner tube sleeve (8) is adhered with a reinforcing layer (16), the reinforcing layer (16) is made of nylon elastomer (17), and the outer wall of the connecting inner tube (7) is tightly attached to the nylon elastomer (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322346613.8U CN220668674U (en) | 2023-08-30 | 2023-08-30 | High-strength stainless steel BA pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322346613.8U CN220668674U (en) | 2023-08-30 | 2023-08-30 | High-strength stainless steel BA pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220668674U true CN220668674U (en) | 2024-03-26 |
Family
ID=90335445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322346613.8U Active CN220668674U (en) | 2023-08-30 | 2023-08-30 | High-strength stainless steel BA pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220668674U (en) |
-
2023
- 2023-08-30 CN CN202322346613.8U patent/CN220668674U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201348108Y (en) | Flange | |
CN220668674U (en) | High-strength stainless steel BA pipe | |
CN201126074Y (en) | Metal bellows connecting telescoped pipeline | |
CN216590386U (en) | Sealing joint structure free of steel pipe welding | |
CN202349438U (en) | Novel flange structure of automotive exhaust pipe | |
CN215566942U (en) | Connecting pipeline for vertical water jet vacuum pump unit | |
CN211854054U (en) | Sealing structure for reciprocating grate push rod wall penetrating position | |
CN110758092A (en) | Metal oil filling pipe assembled with plastic oil pipe head | |
CN220286757U (en) | Corrosion-resistant and leakage-proof metal expansion joint | |
CN220228227U (en) | High-strength corrosion-resistant flange forging | |
CN216242795U (en) | Municipal administration water supply and drainage pipeline quick-assembling device | |
CN215806690U (en) | Valve group composed of pilot pipelines | |
CN216520143U (en) | Corrosion-resistant sealing flange | |
CN220249246U (en) | High-strength pressure-resistant metal flange | |
CN219493386U (en) | Reducing connecting pipeline quick connector | |
CN210462011U (en) | High pressure resistant three way connection | |
CN214947250U (en) | Stainless steel water pipe connecting piece with structure convenient to disassemble and assemble | |
CN221121331U (en) | Flat welding flange with neck | |
CN219198510U (en) | Liquid asphalt conveying pipeline connection structure | |
CN218914066U (en) | Corrosion-resistant pipe joint | |
CN218152955U (en) | Branch assembly for pipeline with lining pipe | |
CN219013608U (en) | Rust-proof joint structure | |
CN220354740U (en) | Plastic steel conversion joint convenient to install and connect for gas pipeline | |
CN211501958U (en) | High-temperature-resistant, high-pressure-resistant and corrosion-resistant flange for petrochemical oil refining pipeline | |
CN213954575U (en) | Large-caliber seamless steel pipe with corrosion prevention function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |