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

Quick Coupler Control Valve

The Quick Coupler makes portable Big Gun® irrigation faster and easier than ever before. A quick twist attaches the gun and key to the valve. Simply connect the hydraulic assist and the gun goes into action. The shutoff and disconnect cycle is just as fast and easy.

NSouthwest Irrigation offers
a complete solution of Big Gun
irrigation options, featuring:

Move Big Guns With Ease


You provide the 2 " pipe with desired riser length up to 18"

QC Key with Big Gun Flange


QC Key with 2 Inch Female NPT


Smooth Operation

Super smooth opening and closing to prevent water hammer and surge. No stream trailoff on startup or shutdown to cause soil erosion and seeding washout.

Design for efficiency

Extremely low friction loss (less
than 3 psi at 160 gpm).Made of the toughest chemically resistant materials.

Safety Features

Valve is normally closed, fail-safe. Equipped with a special guard making it impossible to turn valve on until the key is in the correct position.


Prevents ponding or runoff due to pipe draining through the low valves when system is shut down.

  • Odd-Shaped Fields
  • Forage Crops
  • Sports Turf Fields
  • Sod Farms
  • Feedlot Dust Suppression
  • Waste Disposal
  • Race Tracks, Arenas, etc.





  Office 520-384-9223
401 E Maley
Willcox, AZ 85643
Mining Orders:
Agricultural Orders: