540661 FESTO | Alldatasheet
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Technical content
One-way flow control valve GRLSA-1/8-QS-6 Part number: 540661 Data sheet Feature Value Type code GRLSA Valve function Exhaust air flow control non-return function Pneumatic connection 1 QS-6 Pneumatic connection 2 G1/8 Actuation type Manual Adjusting element Internal hexagon Type of mounting Screw-in Standard nominal flow rate in flow control direction 0 l/min ... 250 l/min Standard nominal flow rate in non-return direction 180 l/min ... 310 l/min Ambient temperature -10 °C ... 60 °C Mounting position Any Symbol 00991475 Operating pressure for entire temperature range 0.2 bar ... 10 bar Standard flow rate in flow control direction 6 -> 0 bar 0 l/min ... 410 l/min Standard flow rate in non-return direction at 6 -> 0 bar 430 l/min ... 540 l/min Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4] Information on operating and pilot media Operation with oil lubrication possible (required for further use) Storage temperature -10 °C ... 40 °C Temperature of medium -10 °C ... 60 °C Nominal tightening torque 3.5 Nm Tolerance for nominal tightening torque ± 20% Product weight 19.5 g Note on materials Free of copper and PTFE Seals material NBR Hollow bolt material Wrought aluminum alloy Anodized Releasing ring material POM Material of adjusting screw PA-reinforced Swivel joint material Die-cast zinc 11/3/21 - Subject to change - Festo AG & Co. KG 1/1