JPH0232944Y2 - - Google Patents

Info

Publication number

JPH0232944Y2

JPH0232944Y2 JP7517887U JP7517887U JPH0232944Y2 JP H0232944 Y2 JPH0232944 Y2 JP H0232944Y2 JP 7517887 U JP7517887 U JP 7517887U JP 7517887 U JP7517887 U JP 7517887U JP H0232944 Y2 JPH0232944 Y2 JP H0232944Y2

Authority

JP

Japan

Prior art keywords

valve

shaft

valve body

casing

valve plate

Prior art date

1987-05-21

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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• 239000000919 ceramic Substances 0.000 claims description 21
• MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
• 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
• KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 2
• 229910052863 mullite Inorganic materials 0.000 claims description 2
• -1 sialon Chemical compound 0.000 claims description 2
• HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
• 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
• HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
• 239000002184 metal Substances 0.000 description 19
• 239000012530 fluid Substances 0.000 description 15
• 238000012856 packing Methods 0.000 description 5
• 239000000463 material Substances 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 238000003780 insertion Methods 0.000 description 2
• 230000037431 insertion Effects 0.000 description 2
• 238000009413 insulation Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 229910010293 ceramic material Inorganic materials 0.000 description 1
• 230000008878 coupling Effects 0.000 description 1
• 238000010168 coupling process Methods 0.000 description 1
• 238000005859 coupling reaction Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 239000011819 refractory material Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000009628 steelmaking Methods 0.000 description 1