... type 5/2 ,5/3,3/2 way air control valve 4Aseries. 2, Normally compactly designed G1/8" to G1 ... type 5/2 ,5/3,3/2 way air control valve 4A/3Aseries. 2, Normally compactly designed G1/8" ... 2". 3, 5/2 way valve with one head is spring return while for valve with two heads is air controlled ... 4, 3/2 way valve is mostly used for single action cylinder.5, 5/3 valve can control pneumatic cylinder stopping at ...