The Duplomatic CR series refers to direct operated pressure relief valves in cartridge format, designed for block or manifold applications in hydraulic systems. Here's a detailed overview:

 Technical Specifications

• Type: Direct operated pressure control valve
• Mounting Style: Screw-in cartridge
• Cavity Type: D-10 C (compatible with D-10B seat)
• Max Operating Pressure: 350 bar
• Max Flow Rate: 50 l/min
• Pressure Adjustment: Socket hex screw or optional knob
• Pressure Ranges: Available in five control ranges up to 350 bar