JPH0311480Y2 - - Google Patents

Info

Publication number

JPH0311480Y2

JPH0311480Y2 JP18336086U JP18336086U JPH0311480Y2 JP H0311480 Y2 JPH0311480 Y2 JP H0311480Y2 JP 18336086 U JP18336086 U JP 18336086U JP 18336086 U JP18336086 U JP 18336086U JP H0311480 Y2 JPH0311480 Y2 JP H0311480Y2

Authority

JP

Japan

Prior art keywords

seat ring

valve body

valve

peripheral surface

valve stem

Prior art date

1986-11-27

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

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• 230000002093 peripheral effect Effects 0.000 claims description 12
• 229920001971 elastomer Polymers 0.000 claims description 9
• 239000005060 rubber Substances 0.000 claims description 9
• 229910045601 alloy Inorganic materials 0.000 claims description 5
• 239000000956 alloy Substances 0.000 claims description 5
• 230000003446 memory effect Effects 0.000 claims description 5
• 239000002184 metal Substances 0.000 description 13
• 239000012530 fluid Substances 0.000 description 4
• 230000009466 transformation Effects 0.000 description 2
• 229910018087 Al-Cd Inorganic materials 0.000 description 1
• 229910018188 Al—Cd Inorganic materials 0.000 description 1
• 229910017535 Cu-Al-Ni Inorganic materials 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000013505 freshwater Substances 0.000 description 1
• 230000006870 function Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000013535 sea water Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 229920003051 synthetic elastomer Polymers 0.000 description 1
• 239000005061 synthetic rubber Substances 0.000 description 1