Weed Control Sprayer - Don't Lift All that Weight

Weed Control Sprayer - Don't Lift All that Weight

Posted by Andrew Greess on Feb 19, 2011

Weed Control Sprayer requested by customer was not a good idea in my mind.

Customer requested VALVED QUICK DISCONNECTS on hose end. Quick disconnects are a great idea.  They allow technician to quickly change tools for different jobs and to remove tools for repair, maintenance and storage, and allow the gun to spin preventing hose twisting.  In this photo, customer requested the valved style of QD.

jsw valved quick disconnect

Valved QDs allow you to remove the tool without any spillage or leaks, even if the pump is still pumping.  This sounds good but in reality there are 3 problems:

1.  They are heavy

2.  They are expensive

3.  Because they keep the line under pressure, it can be very difficult to remove the gun.

For these reasons, we prefer the unvalved QD with a ball valve shut off on weed control spray rigs.  It is less weight, less cost and easier to remove the gun.   Here is a photo of how we prefer to do it:

Unvalved quick disconnect

What are your thoughts on QD's?

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