Filter Backwash Hydraulic Valve IR-2×2-350-R

The BERMAD Model IR-2×2-350-R 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-2×2-350-R is available in Angle flow (A) and Straight flow (S) configurations.

  • 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

  • Brass Body

-Rigid construction, high stress resistance

  • 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
  • Sand Filters
  • Disk Filters
  • Screen Filters
  • Single Filter Autonomic Backwash System
  • Angled or Straight Installations


[1] BERMAD Model IR-2×2-350-A-R allows flow into the filter,
and switches closed upon pressure rise command,
thereby blocking inlet to filter and enabling 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


English IR 2x2-350-R Product Page
English Ordering Guide 350 Series
English Spare Parts - Irrigation