Detailed Product Description Diaphram and plunger are linked with each other mechani-cally.the machine can wirk even at zero differential pressure.Not depending on any internal pressure. Model2KW21202KW21302KW21402KW21502KW2160 Orifice(mm)10152427 PortConnection (G-inch) ZG1/4 ZG3/8 ZG1/2ZG3/4 ZG1 Working MediumWater,oil(below 50cst)Operating Pressure0-10barMedium Temp-5-60oC,in liquid ...