CN206647541U - 一种具有检修密封副的大口径蝶阀 - Google Patents
一种具有检修密封副的大口径蝶阀 Download PDFInfo
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- CN206647541U CN206647541U CN201720440105.8U CN201720440105U CN206647541U CN 206647541 U CN206647541 U CN 206647541U CN 201720440105 U CN201720440105 U CN 201720440105U CN 206647541 U CN206647541 U CN 206647541U
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- Prior art keywords
- valve body
- sealing ring
- maintenance
- butterfly plate
- valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 125
- 238000012423 maintenance Methods 0.000 title claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000012856 packing Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CN201720440105.8U CN206647541U (zh) | 2017-04-25 | 2017-04-25 | 一种具有检修密封副的大口径蝶阀 |
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CN201720440105.8U CN206647541U (zh) | 2017-04-25 | 2017-04-25 | 一种具有检修密封副的大口径蝶阀 |
Publications (1)
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CN206647541U true CN206647541U (zh) | 2017-11-17 |
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CN201720440105.8U Active CN206647541U (zh) | 2017-04-25 | 2017-04-25 | 一种具有检修密封副的大口径蝶阀 |
Country Status (1)
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CN (1) | CN206647541U (zh) |
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2017
- 2017-04-25 CN CN201720440105.8U patent/CN206647541U/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: Large diameter butterfly valve with maintenance sealing pair Effective date of registration: 20221027 Granted publication date: 20171117 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: TIELING SPECIAL VALVE Corp. Registration number: Y2022210000169 |
|
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: 20171117 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: TIELING SPECIAL VALVE Corp. Registration number: Y2022210000169 |
|
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 large diameter butterfly valve with maintenance sealing pair Granted publication date: 20171117 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: TIELING SPECIAL VALVE Corp. Registration number: Y2024210000029 |