Bosch Rexroth | ZDC16P2XM
ZDC16P2X/M
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The ZDC16P2X/M pressure compensator belongs to the ZDC Pressure Compensators series and is manufactured by Bosch Rexroth for hydraulic automation circuits that require constant pressure drop across throttling elements. With a nominal size of NG16, the valve fits common subplate cavities, and its porting pattern of ISO 4401-07-07-0-05 aligns with standard manifold layouts for straightforward mounting. The compensator relies on an external pilot oil supply so system designers can choose a stable reference line independent of load ports. A fluid cleanliness class of ISO 4406 20/18/15 is demanded to prevent spool binding and maintain proportional response. Compatible temperature limits range from ‑20 °C to +80 °C, allowing operation in mobile or factory systems exposed to seasonal shifts. Viscosity limits span from 15 mm²/s to 380 mm²/s, so the unit can handle light hydraulic oils during start-up and heavier fluids at high load without losing accuracy.
The ZDC16P2X/M tolerates a continuous operating pressure of 350 bar at ports a, b, and p, enabling it to stabilize flow in high-pressure supply lines. Port T is rated for 250 bar to safely return excess flow to tank during transient peaks, while auxiliary ports X and Y are limited to 100 bar and 150 bar respectively so pilot circuitry can be sized with lighter components. A maximum flow capacity of 150 l/min lets the compensator serve mid-frame pumps and actuators without excessive pressure loss. NBR seals are used to provide reliable sealing with conventional mineral oils and to simplify maintenance in mixed fleets. The assembled valve weighs 3.5 kg, which aids direct mounting on subplates without additional support brackets and reduces overall manifold mass in modular hydraulic installations.
Technical Specifications
Fluid Cleanliness Class
ISO 4406 20/18/15
Max Flow
150 l/min
Max Fluid Temperature
+80 °C
Max Fluid Viscosity
380 mm²/s
Max Operating Pressure (a,b,p)
350 bar
Max Port T Pressure
250 bar
Max Port X Pressure
100 bar
Max Port Y Pressure
150 bar
Min Fluid Temperature
-20 °C
Min Fluid Viscosity
15 mm²/s
Nominal Size
NG16
Pilot Oil Supply
External
Porting Pattern
ISO 4401-07-07-0-05
Seal Material
NBR
Weight
3.5 kg
1620 Old Apex Road
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