It could have affected the pattern width. In the new WIDER, the structure has been reconsidered, and by making the openings large and uniform, an air valve seat with less individual differences due to screwing has been realized.
ANEST IWATA WIDER1L-2-12J2S 1.2mm Suction feed HVLP spray gun successorLPH-101
Anest Iwata WIDER4L-V13J2 1.3mm HVLP Spray Gun, LPH-400 Successor, No Cup
Anest Iwata WIDER2A-15K2 1.5mm automatic spray gun Successor of WA-200-152P
Anest Iwata WIDER2A-12G2P 1.2mm automatic spray gun Successor of WA-200-122P
ANEST IWATA LPH-300-144LV 1.4mm no Cup 3945 Gravity feed HVLP spray gun LPH300LV
ANEST IWATA LPH-300-164LV 1.6mm no Cup Gravity feed HVLP spray gun LPH300LV