VALVE USING SEAL MEMBER AND EVALUATION METHOD FOR VALVE

PROBLEM TO BE SOLVED: To provide a valve using a seal member excellent in fluorinated fluid-resistant property, and to provide an evaluation method for a valve.SOLUTION: The valve using a seal member uses the seal member containing 5 to 25 pts.mass of carbon nanofiber and 10 to 40 pts.mass of carbon...

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Bibliographic Details
Main Authors NOGUCHI TORU, ASANO YUICHI, INUKAI SHIGEKI, FUKASE KENICHI, UEKI HIROYUKI
Format Patent
LanguageEnglish
Published 09.05.2013
Subjects
ACTUATING-FLOATS
BLASTING
CHEMISTRY
COCKS
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CYLINDERS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PISTONS
SEALINGS
TAPS
THEIR PREPARATION OR CHEMICAL WORKING-UP
THERMAL INSULATION IN GENERAL
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
VALVES
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a valve using a seal member excellent in fluorinated fluid-resistant property, and to provide an evaluation method for a valve.SOLUTION: The valve using a seal member uses the seal member containing 5 to 25 pts.mass of carbon nanofiber and 10 to 40 pts.mass of carbon black with respect to 100 pts.mass of ternary system fluorine-containing elastomer having a fluorine content of 65 mass% or less. The seal member has 8 MPa or more of a stress, on 50% elongation after a liquid-resistant test for immersing in perfluoropolyether (>99.9% [w/w]) at 130°C for 103 hours. The seal member has 4.0% or less of a volume change rate before and after the liquid-resistant test. In the valve V, the seal member 9 is used.
Bibliography:Application Number: JP20120146094