... 100 Hammer Union Nominal pipe Size:2, 2-1/2, 3, 4 , 6 , 8; Pressure Rating:1000psi cwp;1500 psi test; ... Size:1, 1-1/4, 1-1/2,2, 2-1/2,3, 4; Pressure Rating:2000psi cwp;3000 psi test; Connections Type ... Union Nominal pipe Size:2, 2-1/2, 3,4,6,8,10,12; Pressure Rating:4000psi cwp;6000 psi test ... Figure 1003 Hammer Union Nominal pipe Size:2, 3, 4,5; Pressure Rating: 2 to 3 10000psi cwp;15000 psi test; ...