... truck, fracturing truck, pipe manifold, pipeline, other high-pressure service hammer union The Hammer Union type mainly consists of Figure 100, Figure ... ” , 6” , 8”;Pressure Rating:1000psi cwp;1500 psi test;Connections Type: pipeline thread, tubing thread, butt-weld;Component Parts: Nut, Male Sub ... -up with hammer;Economical, low-pressure union Hammer Union for pipeline, cementing truck