CA1266037A - Ball valve - Google Patents

Info

Publication number

CA1266037A

CA1266037A CA000483119A CA483119A CA1266037A CA 1266037 A CA1266037 A CA 1266037A CA 000483119 A CA000483119 A CA 000483119A CA 483119 A CA483119 A CA 483119A CA 1266037 A CA1266037 A CA 1266037A

Authority

CA

Canada

Prior art keywords

ball valve

main body

sealed space

sub

valve

Prior art date

1984-11-15

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 - Fee Related

Links

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• 239000012530 fluid Substances 0.000 claims abstract description 14
• 238000003466 welding Methods 0.000 claims abstract description 13
• 239000000945 filler Substances 0.000 claims abstract description 12
• 239000000463 material Substances 0.000 abstract description 11
• 230000007797 corrosion Effects 0.000 description 13
• 238000005260 corrosion Methods 0.000 description 13
• 238000005336 cracking Methods 0.000 description 8
• 239000004519 grease Substances 0.000 description 8
• 239000003973 paint Substances 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• 238000000034 method Methods 0.000 description 3
• 238000011144 upstream manufacturing Methods 0.000 description 3
• 238000000137 annealing Methods 0.000 description 2
• 239000011324 bead Substances 0.000 description 2
• 238000000576 coating method Methods 0.000 description 2
• 230000006835 compression Effects 0.000 description 2
• 238000007906 compression Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 229910052739 hydrogen Inorganic materials 0.000 description 2
• 239000001257 hydrogen Substances 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 230000000717 retained effect Effects 0.000 description 2
• 239000010935 stainless steel Substances 0.000 description 2
• 229910001220 stainless steel Inorganic materials 0.000 description 2
• 229910000975 Carbon steel Inorganic materials 0.000 description 1
• VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
• RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
• 101100126176 Escherichia coli (strain K12) intQ gene Proteins 0.000 description 1
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
• UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
• 239000010962 carbon steel Substances 0.000 description 1
• GPUADMRJQVPIAS-QCVDVZFFSA-M cerivastatin sodium Chemical compound [Na+].COCC1=C(C(C)C)N=C(C(C)C)C(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)=C1C1=CC=C(F)C=C1 GPUADMRJQVPIAS-QCVDVZFFSA-M 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 239000011248 coating agent Substances 0.000 description 1
• 239000002826 coolant Substances 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 230000006378 damage Effects 0.000 description 1
• 238000004299 exfoliation Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 150000002431 hydrogen Chemical class 0.000 description 1
• 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
• 150000002500 ions Chemical class 0.000 description 1
• 239000003921 oil Substances 0.000 description 1
• 238000010422 painting Methods 0.000 description 1
• 239000013535 sea water Substances 0.000 description 1
• 230000004580 weight loss Effects 0.000 description 1