... . Water, fracturing fluid and mixed fluid .The Hammer Union type mainly consists of Figure 100, Figure 200, Figure 206,Figure 400, Figure ... , Figure 1002, Figure 1003,Figure 1502 andFigure 2002. 1, Figure 100 Hammer Union Nominal pipe Size:2, 2-1/2, 3, 4 ... cwp;12000 psi test; Connections Type: pipeline thread, tubing thread, butt-weld; 8, Figure 1003 Hammer Union Nominal pipe Size:2, 3, 4 ...