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Bosch Rexroth | ZDR6DA1-4X75Y12

ZDR6DA1-4X/75Y/12

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The Bosch Rexroth ZDR6DA1-4X/75Y/12 is part of the ZDR Pressure Reducing Valves series. It utilizes a rotary knob for adjustment and includes a check valve. The valve is designed for a maximum operating pressure of 315 bar in version A, with a maximum secondary pressure set at 75 bar. It supports a maximum flow rate of 50 liters per minute. The mounting interface follows the NFPA T3.5.1 D03 standard, using four M5 ISO 4762 screws. For cleanliness, it complies with ISO 4406 class 20/18/15. The nominal size of this pressure reducing valve is 6, and its porting pattern matches ISO 4401-03-02-0-05. It includes a pressure gauge port of G1/4 with a depth of 12 mm.

Technical Specifications

Adjustment Type
Rotary Knob

Check Valve
With Check Valve

Cleanliness Class
ISO 4406 20/18/15

Max Counter Pressure Port T(y)
160 bar

Max Flow
50 l/min

Max Operating Pressure (version A)
315 bar

Max Secondary Pressure
75 bar

Mounting Interface
NFPA T3.5.1 D03

Mounting Screws
4× M5 ISO 4762 (10.9)

Nominal Size
6

Pilot Oil Return
External (T Y)

Pilot Oil Supply
Internal

Porting Pattern
ISO 4401-03-02-0-05

Pressure Gauge Port
G1/4 (12 mm deep)

Pressure Reduction Channel
A

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