PRP Pressure Relief Valve - Large Diameter

The high-capacity PRP is the most powerful thermoplastic pressure relief valve available for large nominal diameters from 2½” - 4”. The PRP is the only pressure relief valve in the world that also functions as a check valve for the most reliable upstream pressure maintenance available anywhere.
Available sizes: 2½”, 3", 4” (75mm - 110mm)
Body Materials:  PVC, PP, PVDF
Seals:                EPDM, Viton
Connections:     Spigot or Flange
This PRP is designed for larger nominal diameters (up to 4”), with each size available it a choice of two pressure ranges and connection types. The PRP is equipped with a patented piston controlled mechanism so it is completely free of return pressure and acts as a non-return (check) valve simultaneously.  These valves can be precisely adjusted even under full operating pressure. The high quality PTFE coating on the control diaphragm makes the valve suitable for a wide range of aggressive medium types. Due to the special piston design, the PRP maintains a constant operating pressure even in case of back pressure caused by many closed-loop systems.
Size   Pressure Ranges
2½”   0.3-4.0 bar; 0.5-10.0 bar
3"      0.3-4.0 bar; 0.5-10.0 bar 
4”      0.3-4.0 bar; 0.5-6.0 bar

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