斗牛棋牌游戏大厅DXP represents several World Class suppliers of metering pumps. Typical types of metering pumps use diaphragm, hydraulic diaphragm, plunger or peristaltic positive displacement designs to deliver a precise volume of liquid per unit of time. Metering pumps are adjustable by changing the stroke length, rate of displacement or both so that each pump can repeatedly deliver product as required. Metallic and non-metallic materials are available to handle the wide range of metered fluids with flow rates ranging from .001 GPH to over 4000 GPH. Accuracy to plus or minus 1%.