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

Pressure Sustaining
Automatic Metering Valve (AMV)

The BERMAD Model IR-930-D2-R integrates a vertical turbine Woltman-type water meter with a diaphragm actuated hydraulic control valve. Equipped with a Mechanical Shut-Off Pilot and a Pressure Sustaining Pilot, the BERMAD AMV sustains minimum preset upstream (back) pressure. It automatically shuts itself after accurately delivering a preset quantity of water.

Features and Benefits

Integrated "All-in-One" Control Valve

  • Saves space, cost and maintenance

Easy Modification to Mechanical Drive Hydrometer

  • Adaptable to future computerized systems

Hydraulic Pressure and Batch Control

  • Sustains upstream line pressure
  • Controls system fill-up
  • Non-computerized quantity follow-up and control

Internal Inlet & Outlet Flow Straighteners

  • Saves on straightening distances
  • Maintains accuracy

Integrated Flow Metering Calibration Device

User-Friendly Design

  • Easy pressure setting
  • Simple in-line inspection and service

Typical Applications

  • Semi-Automatic Irrigation
  • Manual Irrigation intended for computerization
  • Pressure Zone Prioritizing
  • Line Fill-Up Control
  • Line Emptying Prevention
  • Volumetric Irrigation Systems
  • Distribution Centers



[1] BERMAD Model IR-930-D2-R sustains filters back flush pressure and delivers precise water quantity.
[2] BERMAD Filter Flush Valve Model IR-405
[3] BERMAD Air Valve Model ARC-A-I-I
[4] BERMAD Air Valve Model ARC-A-P-I



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