537971 FESTO | Alldatasheet
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Technical content
Part number: 537971 Data sheet Feature Value Valve function 2x2/2 closed, monostable Actuation type Electrical Valve size 20 mm Standard nominal flow rate 650 l/min Pneumatic working port G1/8 Operating voltage 24V DC Operating pressure 3 bar ... 8 bar Structural design Piston gate valve Reset method Pneumatic spring Certification c UL us - Recognized (OL) CE marking (see declaration of conformity) As per EU EMC directive Degree of protection IP65 In mounted state as per IEC 60529 Type code VMPA2 Exhaust air function With flow control option Sealing principle Soft Mounting position Any Manual override Detenting Non-detenting Type of control Pilot-controlled Pilot air supply port Internal Flow direction Non-reversible Symbol 00991803 Lap Overlap Signal status display yes Pilot pressure 3 bar ... 8 bar Suitability for vacuum no Standard nominal flow rate with QS-8 650 l/min Switching time off 25 ms On switching time 7 ms Max. positive test pulse with 0 signal 400 µs Max. negative test pulse on 1 signal 900 µs Permissible voltage fluctuations +/- 25 % 10/18/21 - Subject to change - Festo AG & Co. KG 1/2
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) Vibration resistance Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6 Shock resistance Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27 Corrosion resistance class (CRC) 1 - Low corrosion stress Storage temperature -20 °C ... 40 °C Temperature of medium -5 °C ... 50 °C Relative air humidity Max. 90 % at 40 °C Ambient temperature -5 °C ... 50 °C Max. tightening torque for valve mounting 0.65 Nm Product weight 325 g Electrical connection 4-pin M8x1 Plug as per EN 60947-5-2 Type of mounting With through-hole Pneumatic connection 1 G1/8 Pneumatic connection 2 G1/8 Pneumatic connection 3 G1/8 Pneumatic connection 4 G1/8 Pneumatic connection 5 G1/8 Note on materials RoHS-compliant Seals material NBR Housing material Die-cast aluminum 10/18/21 - Subject to change - Festo AG & Co. KG 2/2