Handheld gas spray system for mixing and dispensing multicomponent 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 including a flow restrictor orifice sized to control or reduce gas flow from the gas cartridge to the fluid conveyance subassembly;
• a gas filter disposed inside the housing and along a fluid path of gas flowing from the gas valve assembly to the fluid conveyance subassembly;
• and a relief valve disposed inside the housing and along a fluid path of gas flowing from the gas valve assembly 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.