The Duplomatic BD* series refers to stackable directional control valves used in hydraulic systems, especially in mobile and compact industrial applications. Here's a detailed breakdown:

 BD* Series Overview

The BD* family includes:

• BDL – Standard directional valve elements
• BDM – Modular directional valve elements
• BDS – High-performance directional valve elements

 Technical Specifications

• Mounting Style: Stackable valve assembly
• Max Operating Pressure:
  • BDL & BDM: Up to 280 bar
  • BDS: Up to 320 bar
• Max Flow Rate:
  • BDL & BDM: Up to 40–50 l/min
  • BDS: Up to 60 l/min
• Working Ports: Available in 3/8” BSP, 1/2” BSP, SAE-06, or SAE-08 threads