shako VR Virtual Exhibition SHAKO CO., LTD. (istaging.com)
Eco Power-Saving Solenoid Valve
1. Model: BW320 -> BM320
https://www.shako.com.tw/pneumatic-solenoid-valve/BW320.htm
2. Model: BW520 -> BM520 with port sizes 1/4", 3/8" and 1/2"
https://www.shako.com.tw/pneumatic-solenoid-valve/BM520.htm