Faster Boom Shut-Off Means Reduced Costs

July 8, 2010 07:00 PM

The technology behind TeeJet Technology Flow Back valves includes an extra passage that allows boom pressure to be dissipated immediately. This allows spray solution to return to the tank to relieve that pressure, and is the key to fast shut off at the boom.  The boom remains full of liquid and spraying resumes immediately when the valves are switched back on.


Sprayers with standard valves trap pressure in the boom when they are switched off. As a result, the boom continues spraying for several seconds before completely shutting off.

Without Flow Back valves, operators must try to compensate for shut off delays of five to 10 seconds or more, which can lead to over application or costly re-sprays.


Flow Back valves are compatible with all levels of sprayer control systems, from simple to sophisticated, and require no special wiring or plumbing. They also are a companion to automatic boom section control systems. The compact, electrically-actuated Flow Back valves are available in three product platforms – 430 FB, 450 FB and 460 FB ‑ each rated for different pressures and flows.


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