TCS Positive displacement flowmeter, positive displacement flow meters, positive displacement vane flow meters, Characteristic: Excellent stepless fine-tuning device allows plus-minus calibration of flowmeter; High accuracy and repeatability within the large range of flow;superior accuracy of constant flow; Low maintenance, low wear, long working life; Low pressure loss, genuine gravity flowmeter; Accuracy regardless of pressure fluctuations,temperature variation, viscosity; Aluminum, cast iron and stainless steel materials of construction for choice http://www.jiasongchina.com/