Handheld gas spray system for mixing and dispensing multi-component compositions

An applicator for mixing and dispensing a multi-component fluid, the applicator comprising:

• a fluid conveyance subassembly in fluid communication with a syringe, wherein the syringe houses at least two different sealant components;
• a housing;
• a gas cartridge disposed inside the housing;
• a gas valve assembly disposed inside the housing, the gas valve assembly in fluid communication with the gas cartridge and the fluid conveyance subassembly, the gas valve assembly configured to control flow of gas from the gas cartridge to the fluid conveyance subassembly;
• a trigger configured to actuate the gas valve assembly;
• and
• a detachable spray tip in fluid communication with the fluid conveyance subassembly, the detachable spray tip configured to dispense the multi-component fluid out of the applicator, the detachable spray tip including:
• a body including an open end, a closed end, and an inner cavity extending between the open end and the closed end, wherein the closed end has an inner facing surface and an outlet orifice, said detachable spray tip further including a spray tip insert housed within the body, the insert including a plurality of outwardly projecting mixing protrusions radially spaced at different positions between a proximal end and a distal end of the spray tip insert, the spray tip insert and the body forming a mixing chamber within the inner cavity.