The Duplomatic PRK10 is a pilot-operated pressure relief valve, cartridge type, designed for installation in hydraulic blocks or manifolds using a SAE-10 cavity. It replaces the older CRQ valve series and offers improved performance and corrosion resistance.

Technical Specifications

• Mounting Style: Screw-in cartridge
• Cavity Type: 7/8-14 UNF-2B (SAE-10)
• Max Operating Pressure: 350 bar
• Max Flow Rate: 120 l/min
• Fluid Viscosity Range: 10–400 cSt
• Contamination Class: ISO 4406:1999 class 20/18/15
• Recommended Viscosity: 25 cSt
• Mass: Approx. 0.2 kg
• Surface Treatment: Zinc-nickel coating for high corrosion resistance