The BERMAD Model IR-4x4-350-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-4x4-350-P is available in Angle flow (A) and Straight flow (S) configurations.
- Line Pressure Driven.
- Double Chambered Design
-Quick and smooth mode change
-Wide application range
-Requires low actuation pressure
- Dynamic Sealing
-Seals at very low pressure
-Prevents seal friction and erosion
- Engineered Plastic Valve Design
-Highly durable, chemical and cavitation resistant
- Long Valve Travel
-Higher flow and lower head loss
-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
- Automatic Backwash of Filter Batteries
- – Gravel Filters
- – Sand Filters
- – Disk Filters
- – Screen Filters
- Single Filter Autonomic Backwash System
- Angled or Straight Installations
 BERMAD Model IR-4×4-350-S-P allows
flow into the filter, switches close upon pressure rise command
blocking inlet to filter and enables backwash flow from the filter.
 BERMAD Strainer Model IR-70F.
 BERMAD Combination Air Valve Model C10.
 BERMAD Pressure Reducing Valve Model IR-420.
 BERMAD Quick Pressure Relief Valve Model IR-43Q.
 BERMAD Pressure Sustaining Hydrometer Model IR-930-M0-X.