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KZ-2A electric spray gun

It is composed of mixing head , nozzle, air cap, mixing pipe, stem shell and stem. It is the main mechanism to control the mixing of oxygen, combustible gas and the opening and closing of air. The bottom of the mixing head is a stem shell with a stem, oxygen, gas and air head, each with a rubber sealing film on it, and various grooves on the stem surface. It is used to control and distribute the three gases into the mixing head in order to ensure normal ignition and switch to achieve spraying purpose. When the stem wrench rotates clockwise to 90 degrees, the combustible gas head sinks slightly under the action of the spring, a small amount of combustible gas enters the nozzle, and the rest of the gas head is in the closed position, and the ignition condition is available at this time. Wh......