If you have the PFC system you can set the motor valve to have a constant flow and the other valves can use the remainder of the pump output even if they require higher pressure.
On the earlier system the control valve that has the lightest load will use all the flow until it reaches the end of travel and causes the pressure to rise so that the flow will go to the other valve. You can control this some by using restricters in the line but then the system will go on high pressure unless all the flow is being used between the valves.
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Today's Featured Article - Experimental Tractors Article - by Danny Bowes (Dsl). Tractor technology appears to have nearly hit it's pinnacle of development. If you agreed with the subtitle, you are rather mistaken. Quite, actually. As a matter of fact, some of the technology experimented with over 40 years ago makes today's tractor technology seem absolutely stale by comparison. Experimentation, from the most complex assembly to the most simple and mundane component, is as an integral a part of any farm tractor's development
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