Perfect Systems manufactures Pinch Tube Method- Model: PS103 VTS. Perfect Systems manufactures a wide range of machineries, ideal for use in automobile, jewellery, tin industries, paper industries, etc. Pinch Tube Method- Model: PS103 VTS is a basically on electro pneumatic system, system designed for automatic and accurate dispensing of discrete shots of highly pure/reacting a low viscosity liquids. The equipment can dispense water at flow rates of up to 50 ml/sec. Shot volume can be 0.05 ml to 5 lit. With 1 % accuracy.