CN213479336U - 一种微阻缓闭蝶式止回阀 - Google Patents
一种微阻缓闭蝶式止回阀 Download PDFInfo
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- CN213479336U CN213479336U CN202022409237.9U CN202022409237U CN213479336U CN 213479336 U CN213479336 U CN 213479336U CN 202022409237 U CN202022409237 U CN 202022409237U CN 213479336 U CN213479336 U CN 213479336U
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- valve
- valve plate
- shaft
- slow
- valve body
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- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Check Valves (AREA)
- Lift Valve (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022409237.9U CN213479336U (zh) | 2020-10-26 | 2020-10-26 | 一种微阻缓闭蝶式止回阀 |
Applications Claiming Priority (1)
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CN202022409237.9U CN213479336U (zh) | 2020-10-26 | 2020-10-26 | 一种微阻缓闭蝶式止回阀 |
Publications (1)
Publication Number | Publication Date |
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CN213479336U true CN213479336U (zh) | 2021-06-18 |
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Family Applications (1)
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CN202022409237.9U Active CN213479336U (zh) | 2020-10-26 | 2020-10-26 | 一种微阻缓闭蝶式止回阀 |
Country Status (1)
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CN (1) | CN213479336U (zh) |
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2020
- 2020-10-26 CN CN202022409237.9U patent/CN213479336U/zh active Active
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Legal Events
Date | Code | Title | Description |
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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 micro resistance slow closing butterfly check valve Effective date of registration: 20220329 Granted publication date: 20210618 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHUCHENG JIANHUA VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022980003539 |
|
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: 20230224 Granted publication date: 20210618 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHUCHENG JIANHUA VALVE MANUFACTURING Co.,Ltd. Registration number: Y2022980003539 |
|
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 micro resistance slow closing butterfly check valve Effective date of registration: 20230302 Granted publication date: 20210618 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHUCHENG JIANHUA VALVE MANUFACTURING Co.,Ltd. Registration number: Y2023980033832 |
|
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 |
Granted publication date: 20210618 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHUCHENG JIANHUA VALVE MANUFACTURING Co.,Ltd. Registration number: Y2023980033832 |
|
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 micro resistance slow closing butterfly check valve Granted publication date: 20210618 Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG ZHUCHENG JIANHUA VALVE MANUFACTURING Co.,Ltd. Registration number: Y2024980007506 |