Valve for use in high-performance liquid chromatography having a spherical seat with beveled outer faces

Valve for use in high-performance liquid chromatography having a spherical seat with beveled outer faces

  • CN 102,052,489 A
  • Filed: 10/26/2010
  • Published: 05/11/2011
  • Est. Priority Date: 10/26/2009
  • Status: Active Application
First Claim
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1. valve (300) that is used for high performance chromatograph, it hasSpheric seat (320) andBall (310), described ball be configured to prevent that at described ball flow of liquid from crossing described valve during near described spheric seat (320), and be configured to move axially so that described flow of liquid is crossed described valve,Wherein, described spheric seat (320) has inclined outer surface (390), and described inclined outer surface (390) is configured so that to produce the power (385) that acts on the described ball (310) along described axial action in the power on the described valve (380), andThe inclination of described inclined outer surface (390) has been configured so that to act on described power (385) opposing on the described ball (310) and basic neutralisation and has been applied to power on the described spheric seat (320) by described ball (310).

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