Irrigation

DOROT 51/52P

Double-chamber, Polymeric Back-flushing Valve

DOROT 51/52P, is a Double-chamber Back-flushing Valve Series providing a durable and versatile solution for efficient filtration systems. Constructed from corrosion-proof, lightweight GRP materials, to ensure long-lasting performance in harsh environments. The double-chamber design, combined with a direct diaphragm sealing mechanism, enables precise flow control, low head loss and energy-efficient back-flushing. Featuring compact construction, plus ease-of-installation and maintenance, the 51/52P series is an ideal choice for disc filtration systems; offering operational versatility with manual, electric, or pressure-command control.

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Product Page (PDF)

Technical Specifications

Size Unit

Connection size

DN50XDN50 (2"X2")

Pressure rating

PN10

End connection type

Threaded

Flow pattern

Straight, Angle

Features & Benefits

Durable materials (GRP, corrosion-proof)
  • Ensures long-lasting performance in harsh water conditions, including seawater and aggressive media
Direct diaphragm sealing with low head loss
  • Provides efficient back-flushing, precise flow control and energy savings
Compact, lightweight design 
  • Simplifies handling and installation, while reducing structural support requirements
Easily accessible components
  • No special tools needed, saves time and lowers costs by reducing both labor and downtime
Flexible pressure & connection options
  • Adapts to a variety of systems with wide pressure range models and customizable inlet/outlet configurations
Compatible with filtration systems 
  • Optimized for sand media and disc filtration, enhancing system efficiency