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VG80 Directional Control Valve These types of valves are used for when the pressure is up to 3500 PSI, 240 bar goes up to 120 gpm, 455 lpm and 100 igpm.  They are a lot a like the VG20, they can sustain the same kind of diligence as far as operations go. It has a three inch wide section which uses porting that can go up to a 1 1.4″ flange or SAE 24. You can have anti-cavitation checks put on the sections. The fourth section, that is the float position, all have parallel circuitry on them. You  can only get...

VG80 Directional Control Valves – Inlet/Mid/Outlet Sections  Inlet/Mid/Outlet Section This sections come in high and low pressure ports. It has a relief valve port. The central relief valve is pilot worked with screws that adjust, SAE thread or split flange fittings are accessible on these ports. Down below gives examples of the codes for this, in order to help order parts or to explain to your repair person. The mid section give the option of a split flow in one way and a combo in another way. If you choose the combo, the flow from the second pump is directed...

Denison Variable Volume Pump Series 600/700/800   To start putting this back together you will need to know things like, what rotation it takes, making sure you have the right shaft, etc. Making sure your parts are the correct ones you need. Or if you are reusing parts making sure they are within tolerances for that part so that it is still in spec.  And always replace o rings every time you put the unit back together, they can have the slightest pinch in them and it will make the unit leak.  And when it is put back together you...

VG80 Directional Control Valves – Hydraulic/Electrical/Pnuematic Remote Devices Hydraulic Remote Controllers These types of joysticks are highly recommended and can be stacked up. The standard spring packs are to the control valve to produce metering and a constant read. They also come electrical or mechanical detents, electrical switch handles or with ball knob/handle. And it can be stacked with foot pedal. Pneumatic Remote Control There is a line of air applicated remote units. It will need at least 100 PSI. They are offered in dual types that can do both valve spool and quad units that can handle two spools....

VG80 Directional Control Valves – Meaning of Codes of the Work Section   As you can tell from the diagrams below what the letters and numbers mean on the part number. When the spool can be put in from either direction end of the bore when the parallel work section is lined up correctly. In turn it will let the valve bank to be put together either left or right to operate it. High Pressure At Port A                          Port B Left hand bank                                               push spool in            pull spool out flow from left to right as you face spool clevis   Right...