The “Variable Flow Valve” (VFV) for Electronically Controlled Hydraulic Systems 940835

Sumitomo Electric Industries (SEI) has developed the “Variable Flow Valve” (= VFV), which is small, low cost, and suitable for the precise control of hydraulic systems.
With the VFV, the hydraulic flow can be regulated continuously by controlling the electric current. The VFV is able to regulate the flow of low viscosity fluid: under high pressure; in the low flow range; smoothly, quietly, and with quick response.
We are confident that the performance and reliability of the VFV allow it to be applied to vehicle brake systems, and also hopes to find applications to other hydraulic systems.


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