CN209100706U - 一种调压式止回阀 - Google Patents
一种调压式止回阀 Download PDFInfo
- Publication number
- CN209100706U CN209100706U CN201821563631.4U CN201821563631U CN209100706U CN 209100706 U CN209100706 U CN 209100706U CN 201821563631 U CN201821563631 U CN 201821563631U CN 209100706 U CN209100706 U CN 209100706U
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- CN
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- Prior art keywords
- valve
- door
- valve body
- deck
- sleeve
- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 210000003739 neck Anatomy 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821563631.4U CN209100706U (zh) | 2018-09-26 | 2018-09-26 | 一种调压式止回阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821563631.4U CN209100706U (zh) | 2018-09-26 | 2018-09-26 | 一种调压式止回阀 |
Publications (1)
Publication Number | Publication Date |
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CN209100706U true CN209100706U (zh) | 2019-07-12 |
Family
ID=67153440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821563631.4U Active CN209100706U (zh) | 2018-09-26 | 2018-09-26 | 一种调压式止回阀 |
Country Status (1)
Country | Link |
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CN (1) | CN209100706U (zh) |
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2018
- 2018-09-26 CN CN201821563631.4U patent/CN209100706U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure regulating check valve Effective date of registration: 20220719 Granted publication date: 20190712 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022330001279 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230518 Granted publication date: 20190712 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022330001279 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure regulating check valve Granted publication date: 20190712 Pledgee: Bank of Ningbo Co.,Ltd. Fenghua sub branch Pledgor: NINGBO VALVE MANUFACTURING Co.,Ltd. Registration number: Y2024980024538 |