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      FESTO

      One-way throttle valve
      ModelDescriptionBrandLeadingConditionPriceAction
      One-way throttle valve
      GR-QS-6
      Valve functionOne-way throttling functionP-port connection, port 1QS-6Air connection, port 2QS-6Adjusting elementsKnurled screwsInstallation:Panel mountingWith through-holesWith attachmentsEither:Standard nominal flow in the flow control direction245 l/minStandard nominal traffic in the blockade direction430 l/minWork pressure0.2 bar ... 10 barAmbient temperature-10 °C ... 60 °CHousing materialReinforced polyamideExplosion proofThe information in the certificate must be followed!Zone 1 (ATEX)Zone 2 (ATEX)Zone 21 (ATEX)Zone 22 (ATEX)Installation locationOptionalsymbol00991453Working mediumCompressed air according to ISO 8573-1:2010 [7:4:4]Description of the working and pilot mediaCan be operated with lubricating medium (must be lubricated all the time thereafter)Paint wetting defective substance (PWIS) complianceVDMA24364-B1/B2-LMedium temperature-10 °C ... 60 °CProduct weight22 gMaterial Description:RoHS compliantSeal materialNBRRelease ring materialPOMKnurled head materialReinforced polyamideAdjust the screw materialHigh-alloy steel
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      GRLA-1/4-QS-8-D
      Valve functionOne-way throttling functionP-port connection, port 1QS-8Air connection, port 2G1/4Adjusting elementsKnurled screwsInstallation:Screw inThrough the external threadStandard nominal flow in the flow control direction475 l/minStandard nominal traffic in the blockade direction325 l/min ... 500 l/minWork pressure0.2 bar ... 10 barAmbient temperature-10 °C ... 60 °CMaritime classificationSee CertificatesInstallation locationOptionalsymbol00991452Full temperature range of operating pressure0.2 bar ... 10 barThe standard flow rate in the direction of flow control is 6 -> 0 bar720 l/minStandard flow rate in the check direction 6 -> 0 bar610 l/min ... 760 l/minWorking mediumCompressed air according to ISO 8573-1:2010 [7:4:4]Description of the working and pilot mediaCan be operated with lubricating medium (must be lubricated all the time thereafter)Paint wetting defective substance (PWIS) complianceVDMA24364-B1/B2-LCleanroom gradeClass 4 according to ISO 14644-1Storage temperature-10 °C ... 40 °CMedium temperature-10 °C ... 60 °CNominal torque5 NmProduct weight50 gMaterial Description:RoHS compliantSeal materialNBRHollow bolt materialRefined aluminium alloyAnodizing treatmentRelease ring materialPOMKnurled head materialRefined aluminium alloyAnodizing treatmentAdjust the screw materialHigh-alloy stainless steelOscillating joint materialDie-cast zinc
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