... detection monitor the viscosity, pneumatic double diaphragm pump loop ink or glue, safe, reliable, accurate detection of viscosity, ... (second gear)Test formPulse-type detectionFeaturePneumatic diaphragm pumps circulating ink and glue, pneumatic valve control solvents, fire, explosion, ... safe and reliable. A single unit to complete the ink circulation, mixing, viscosity control.As long as a half ...