SMC VEX1900-14N-B Proportional Valve MSRP: Now: $543.15 Was: VEX1*0, Power Valve, Regulator ValvePower valve series VEX includes a regulator valve (VEX1*0), precision regulator (VEX1*3), 3 position valve (VEX3) and a economy valve (VEX5). The 3 port large... VEX1900-14N-B