JPS6119246Y2 - - Google Patents

Info

Publication number

JPS6119246Y2

JPS6119246Y2 JP4797481U JP4797481U JPS6119246Y2 JP S6119246 Y2 JPS6119246 Y2 JP S6119246Y2 JP 4797481 U JP4797481 U JP 4797481U JP 4797481 U JP4797481 U JP 4797481U JP S6119246 Y2 JPS6119246 Y2 JP S6119246Y2

Authority

JP

Japan

Prior art keywords

valve

seat ring

circumferential surface

valve plate

sealing

Prior art date

1981-04-04

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.)

Expired

Links

• Espacenet
• Global Dossier
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• 238000007789 sealing Methods 0.000 claims description 24
• 239000002184 metal Substances 0.000 claims description 18
• 239000000835 fiber Substances 0.000 claims description 4
• -1 polytetrafluoroethylene Polymers 0.000 claims description 2
• 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
• 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
• 239000004809 Teflon Substances 0.000 description 16
• 229920006362 Teflon® Polymers 0.000 description 16
• 230000000694 effects Effects 0.000 description 10
• 239000012530 fluid Substances 0.000 description 4
• 238000000034 method Methods 0.000 description 3
• 238000005260 corrosion Methods 0.000 description 2
• 230000007797 corrosion Effects 0.000 description 2
• 239000013013 elastic material Substances 0.000 description 2
• 239000010419 fine particle Substances 0.000 description 2
• 238000009940 knitting Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 230000001737 promoting effect Effects 0.000 description 1
• 239000003566 sealing material Substances 0.000 description 1
• 229920006303 teflon fiber Polymers 0.000 description 1
• 238000003466 welding Methods 0.000 description 1