DN20 carbon steel electromagnetic flow meter KLD PN16 (potassium hydroxide KOH-50%, ammonia 25% liquid), 0.11-11 m3/h, 4-20mA+HART reviews
DN20 carbon steel electromagnetic flow meter KLD PN16 (potassium hydroxide KOH-50%, ammonia 25% liquid), 0.11-11 m3/h, 4-20mA+HART reviews