... XXH connected Male Nut & Female Nut & Seat Ring HAMMER UNION FIG 206The Hammer Union can be used for cementing trucks, all ... 400, Figure 600,Figure 602, Figure 1002, Figure 1003,Figure 1502 and Figure 2002.FIGURE 206 HAMMER UNIONNominal pipe Size:1 ... ;Replaceable O-ring extends union service life. Weco Hammer Union FIG 206