... , coal injection truck, bulk cement truck, sandblast, big inch grout hose, white powder and dredging.Blasting materialsQuartz sand, ... parameterssize:all standard size:the usual size is 2 ~16 inchwork pressure:15 bar~40 bar(1 ... to be re-determined as the customer’s requirement. 2.Requirements for special working pressure, length, or colors ... 2,1-3/4,2,2-3/8,2-1/2,3,3-1/2,4,5,6,7,8,10,12,18 ect. 2 inch ...