WGP-type injector (for liquid: hydrochloric acid, alkali, the choice of material is D, all applicable acid) injection is a thermal, oil refining, pharmaceuticals, environmental protection, water treatment systems in transport, diluted liquid of small equipment, with reasonable design compact, easy to operate, liquid mixing effect is good, long life and other advantages. The WNP type jet has made glass, steel, stainless steel, PVC, Teflon and other materials, the user can choose according to the factory delivery reasonable corrosion of liquid, or drawings produced by households. Regulate pesticide liquid inlet valve and "adjusting shims" thickness; 'the outlet liquid reached the desired concentration. Note: Remember to note the parallel and perpendicular to the injector iron flange connection between the flange and the time of installation.