SMC Corporation SY3420-5LOZ-N7 Solenoid Valve

SMC SY3420-5LOZ-N7 is a compact, 5-port, 3-position pneumatic solenoid valve in the SY3000 family, designed to precisely switch compressed air to actuators with a center-exhaust option. It features a zinc body suitable for base-mount installations, dual solenoids, and a 4-way, 5-port spool that directs pressure from P to A or B while venting to R1/R2, with the center position offering exhaust control. The valve is driven by a 24 V DC coil and uses 1/4 in nominal porting (1/4 BSPT), delivering a Cv of 0.29 for moderate flow in compact systems; it supports a maximum operating pressure of 101 psi (≈0.7 MPa) and an operating temperature range of 14 to 122 °F (−10 to 50 °C), with a fast response time around 15 ms. Surges are mitigated by a coil voltage suppressor, and the unit’s body-ported design suits clean-air applications in small automation layouts where space is at a premium.