28/410 28 415 trigger sprayer nozzle agricultural 

Hand Trigger Jet Stream Plastic Sprayer For Watering The principle of a trigger pump is a small engine with a piston in a cylinder which pumps liquid through a dip tube in the cylinder and, using the pressure created by squeezing the handle, the liquid is forced through the nozzle base into the nozzle itself. The nozzle can emit a fine mist, a spray or a jet and, with a special insert, it can also emit foam.The trigger pump contains several injection moulded parts assembled on a special fully automatic assembly machine. The latest polymer materials which the triggers are made of are highly compatible with a wide range of liquids.There are 2 functions of the trigger pump: direct compression and pre-compression. Direct compression: The liquid goes directly from the dip tube inside the cylinder and, by squeezing the handle travels via the nozzle base through the nozzle itself. This function is common for most simple liquids like surf…

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