The Duplomatic PRM7 is a pilot-operated pressure relief valve designed for modular (stackable) mounting in hydraulic systems. It conforms to ISO 4401-07 (CETOP 07) standards and is ideal for high-flow applications requiring reliable pressure limitation.

 Technical Specifications

• Mounting Interface: ISO 4401-07-07-0-05 (CETOP 4.2-4-07)
• Max Operating Pressure: 350 bar
• Max Flow Rate: 300 l/min
• Fluid Viscosity Range: 10–400 cSt
• Contamination Class: ISO 4406:1999 class 20/18/15
• Recommended Viscosity: 25 cSt
• Mass: Approx. 7.5 kg
• Pressure Gauge Port: 1/4” BSP