Hello everyone, I am designing one hydraulic system. In that system their is total 8 no of component function. When all the component work that time its take 150 Bar pressure and 140 lpm flow. but this all are all time not working together. they are hardly 4 to 5 time working together in day. and if single function is working that time pressure required is 150 bar and flow 15 lpm. Now i want to use Hydraulic Variable displacement piston Pump for this system. Now any body help me to sizing out Variable displacement piston Pump for this system.