The Duplomatic P*E*K* series includes explosion-proof proportional pressure relief valves designed for use in hazardous environments, such as surface plants or mines. These valves comply with international safety standards including ATEX, IECEx, INMETRO, and PESO.

 Key Features

• Valve Types:
  • PDE3K*: Direct-operated, ISO 4401-03
  • PRE3K*: Pilot-operated, ISO 4401-03
  • PRE10K*: Pilot-operated, ISO 6264-06
  • PRE25K*: Pilot-operated, ISO 6264-08
  • PRE32K*: Pilot-operated, ISO 6264-10
• Mounting Style: Subplate
• Max Operating Pressure: 350 bar
• Max Flow: Up to 500 l/min
• Voltage Options: 12V or 24V solenoids
• Temperature Range: Low-temp versions available
• Surface Treatment: Optional zinc-nickel coating for corrosion resistance (up to 600 hours salt spray)