577257 FESTO | Alldatasheet
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Technical content
Part number: 577257 Data sheet Feature Value Valve function 5/2 or 3/2 switchable Actuation type Electrical Width 32 mm Standard nominal flow rate 1250 l/min Pneumatic working port NAMUR connection diagram Operating voltage Via solenoid coil, to be ordered separately Operating pressure 2.5 bar ... 10 bar Design Piston gate valve Reset method Mechanical spring Certification c UL us - Recognized (OL) Certificate issuing authority DNVGL-TAA000011J Type code VSNC Exhaust air function With flow control option Sealing principle Soft Mounting position Any Conforms to standard VDI/VDE 3845 (NAMUR) Manual override Detenting Non-detenting Type of control Pilot-controlled Pilot air supply port Internal Flow direction Non-reversible Symbol 00991831 Lap Overlap Signal status display With accessories b-value 0.4 C value 5.2 l/sbar Standard nominal flow rate, exhaust air return 4->3 110 l/min Switching time off 48 ms On switching time 11 ms Duty cycle 100% Coil characteristics See solenoid coil, to be ordered separately 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) Corrosion resistance class (CRC) 2 - Moderate corrosion stress Temperature of medium -20 °C ... 60 °C Ambient temperature -20 °C ... 60 °C 8/17/21 - Subject to change - Festo AG & Co. KG 1/2
Type of mounting With through-hole Venting hole connection Not ducted Pneumatic connection 1 G1/4 Pneumatic connection 2 NAMUR connection diagram Pneumatic connection 3 G1/4 Pneumatic connection 4 NAMUR connection diagram Pneumatic connection 5 G1/4 Note on materials RoHS-compliant Seals material NBR Housing material Wrought aluminum alloy Material of screws High-alloy stainless steel 8/17/21 - Subject to change - Festo AG & Co. KG 2/2