CN213899932U - 一种定向变形超压保护双密封蝶阀 - Google Patents
一种定向变形超压保护双密封蝶阀 Download PDFInfo
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- CN213899932U CN213899932U CN202023232842.XU CN202023232842U CN213899932U CN 213899932 U CN213899932 U CN 213899932U CN 202023232842 U CN202023232842 U CN 202023232842U CN 213899932 U CN213899932 U CN 213899932U
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- sealing
- sealing washer
- valve body
- outer circumference
- butterfly
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- 238000007789 sealing Methods 0.000 claims abstract description 135
- 238000012423 maintenance Methods 0.000 claims description 48
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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CN202023232842.XU CN213899932U (zh) | 2020-12-29 | 2020-12-29 | 一种定向变形超压保护双密封蝶阀 |
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CN202023232842.XU CN213899932U (zh) | 2020-12-29 | 2020-12-29 | 一种定向变形超压保护双密封蝶阀 |
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CN213899932U true CN213899932U (zh) | 2021-08-06 |
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CN202023232842.XU Active CN213899932U (zh) | 2020-12-29 | 2020-12-29 | 一种定向变形超压保护双密封蝶阀 |
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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: Double sealing butterfly valve for directional deformation overpressure protection Effective date of registration: 20221027 Granted publication date: 20210806 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: 20210806 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 |
Denomination of utility model: A directional deformation overpressure protection double sealed butterfly valve Granted publication date: 20210806 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: TIELING SPECIAL VALVE Corp. Registration number: Y2024210000029 |