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The ZDR10VP7-3X/100YM valve is manufactured by Bosch Rexroth for the ZDR Pressure Reducing Valves series and is used to maintain stable secondary pressure in hydraulic automation systems. A nominal size of 10 permits installation between standard subplates, while sandwich plate mounting streamlines stacking beneath directional controls. The ISO 4401-05-04-0-05 porting pattern supports direct interchangeability in manifold blocks. The unit tolerates a maximum operating pressure of 315 bar on the inlet side and allows the secondary circuit to be set up to 100 bar. That setting is made with a rotary knob fitted with a scale for repeatable adjustment. Flow is routed from port P2 to port P1, and the pilot oil circuit can be supplied internally or returned externally to match manifold layout.
The valve handles flow rates up to 100 l/min, providing consistent pressure reduction in medium-capacity power units. It resists counter pressure of 160 bar at the return line, preventing drift when backpressure is present. A G1/8 pressure gauge port offers a direct point for monitoring the reduced pressure. Pilot oil discharges through port TA, isolating pilot return from the main stream. No internal check valve is included, so reverse flow protection must be arranged outside the unit. NBR seals withstand common hydraulic oils and help contain leakage. The version P build weighs 2.3 kg, which eases handling during installation while delivering reliable secondary pressure control.
Adjustment Type
Rotary Knob With Scale
Check Valve
None
Flow Direction
P2→P1
Max Counter Pressure (ta/tb)
160 bar
Max Flow
100 l/min
Max Operating Pressure
315 bar
Max Set Pressure
100 bar
Mounting Type
Sandwich Plate
Nominal Size
10
Pilot Oil Return Port
TA
Pilot Oil Supply/return
Internal/External
Porting Pattern
ISO 4401-05-04-0-05
Pressure Gauge Port
G1/8
Seal Material
NBR
Weight (version P)
2.3 kg
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