w77ANEST IWATA™s W77 and W71 series spray guns have been used by coating profes-sionals for over twenty-five years worldwide for industrialmanufacturing applica-tions. W-77 W-71The W77 is a general purpose spray gun with built-in air adjusting valve for medium to large size painting jobs. It is available in pressure, siphon and gravity feed and suitable for various industries.