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The HSZ06A106-3X/S315P160M00 SO156 sandwich plate belongs to the HSZ Sandwich Plates series from Bosch Rexroth and is intended for hydraulic automation stacks that require integrated pressure limitation. A direct-operated pressure relief valve is built in, and the insert is identified as DBD 6K1X to vent excess pressure rapidly. System pressure is set with a setscrew that has a hexagon head and a protective cap to prevent unintended adjustment. The assembly is rated for a maximum operating pressure of 315 bar, equal to its 315 bar pressure stage. Flow paths follow DIN 24340 Form A and ISO 4401 porting patterns so the plate fits between standard sub-plates and neighboring valves without modification.
The housing measures 120 x 44 x 50 mm and weighs 1.9 kg, enabling easy handling during manifold assembly. A Fe/Zn8/Cn/T0 coating resists corrosion on exposed steel surfaces, while NBR seals maintain internal fluid integrity. The model is supplied without external connections, so all ports communicate through the sandwich interface. Its valve mounting face is located on side E, which helps planners arrange line routing consistently across a stack. These features allow the HSZ06A106-3X/S315P160M00 SO156 to provide compact, reliable pressure protection within multi-station hydraulic systems.
Adjustment Element
Setscrew With Hexagon, Protective Cap
Coating
Fe//Zn8//Cn//T0
External Connections
None (00)
Integrated Valve Type
DBD 6K1X
Max Operating Pressure
315 bar
Plate Dimensions
120 x 44 x 50 mm
Porting Standards
DIN 24340 Form A; ISO 4401
Pressure Stage (dbd)
315 bar
Seal Material
NBR (M)
Valve Mounting Side
E
Valve Type
Pressure Relief, Direct Operated
Weight
1.9 kg
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