Southwest Irrigation, LLC
Southwest Irrigation is the leading supplier for Heap Leach Mining Systems and Agricultural Irrigation Systems in the southwest.

Filter Backwash Hydraulic Valve

The BERMAD Model IR-2x2-350-P is a compact 3-port valve, in a T configuration. It is double chambered, hydraulically operated, and diaphragm actuated. Designed for automatic backwashing of filtration systems, the BERMAD Model IR-2x2-350-P is available in Angle flow (A) and Straight flow (S) configurations.

Features and Benefits

Line Pressure Driven

  • Double Chambered Design
  • Wide application range
  • Requires low actuation pressure

Protected diaphragm

  • Dynamic Sealing
  • Seals at very low pressure

Prevents seal friction and erosion

  • Engineered Plastic Valve Design
  • Highly durable, chemical and cavitation resistant

Short Valve Travel

  • Smooth changes of flow direction

Eliminates mixing of supply and waste water

User- Friendly

  • Can be installed in various orientations
  • Simple in-line inspection and service

Typical Applications

  • Automatic Backwash of Filter Batteries
  • Gravel Filters
  • Disc Filters
  • Screen Filters
  • Single Filter Autonomic Backwash System
  • Angled or Straight Installations



[1] BERMAD Model IR-2x2-350-A-P allows flow into the filter, switches closed upon pressure rise command blocking inlet to filter and enables backwash flow from the filter.
[2] BERMAD Backwash Flow Control Valve Model IR-470-beKU
[3] BERMAD Water meter Model WPH
[4] BERMAD Air Valve Model ARA-A-P-P



  Office 520-384-9223
401 E Maley
Willcox, AZ 85643
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