EC21 Product Catalogs - uses of graduated cylinder http://www.ec21.com/ec-market/uses of graduated cylinder.html High Pressure Polyurethane Spray & Injection Equipmenthttp://ampkem.en.ec21.com/High_Pressure_Polyurethane_Spray_Injection--1625870_1625903.htmlof 1:1 to 1:2. JHPU-III B235 uses a cylinder with the diameter of 125mm as drive and complete the stroke by two Con rob20080312