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D1V Series Hydraulic Valves   These Parker D1V have a 3 way chamber body that has a hardened case sliding spool that uses a lot of different operations, which are solenoids, levers, cams and air and oil pilots. They are directional control valves that have a high ratings for using different modes of operation.  The different methods are 4 way, 2 or 3 position, out plate mounted, four ported valve that is made for industrial methods that should use high cycle rates, long life and high quality. These charts will give some understanding in a general sense of what these...

Series D103A Hydraulic Valve Specs These are directional control valves are mounted on: Detent models – needs to be horizontal Spring offset and centered models – this has an unrestricted mounting  This is the way mounting pattern for all styles is NFPA standard D10.  If you have line surges then it would be a good idea to have separate tank line and drain lines.  Valves that are put in with a regular tank and drain line, flow surges in the line can make for unexpected spool shift.   If you have an (*) It has a normal port usage P...

Vane Single and Double Pumps Vane pumps come in single and double. The single pump has one inlet, one outlet and a cartridge assy.      The double pumps have a housing that has tow cartridge assy., one or two inlets and the outlets are separate, there are two of them. A double pump is a pump that has one housing with two pumps.  When you have a double pump it can release two different flow rates from each of the outlets. While the pump cartridges are joined to a standard shaft, a electric motor is engaged to drive the whole unit. These...

What Cylinders Consist Of The parts that make up a cylinder are; body, pistons that move and the piston rod that is hooked to the piston. There are also end caps that are connected to the cylinder body barrel by way of threads, keeper rings, tie rods or a weld.  A rod gland is a cylinder rod that goes in and out, that is steered and sustained by a removable bushing. The “head” is the side thru that the rod sticks out of. The “cap” is the other side that doesn’t have the rod. The inlet and outlet port are...

Vickers CVCS/CVI Series Cartridge – Directional Cover With Pilot Interface & Stroke Adjuster   This unit puts together the features from both the pilot interface and the stroke adjuster together.  After the pilot valve swaps  pressure to/from the AP port so that it can open or close the poppet, the flow is determined by the stroke adjuster to the optimum flow rate. You can only get this type of cover in he 25 and 40mm valve size. When the pilot valve is not engaged the insert poppet is usually open when there is a plug is put in the A...