1)Size:1/2"-48" 2)Connection:Butt Weld & Socket Weld & Thread 3) ... 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400Flange Face TypesRaised Face(RF ... ,China Factory Certificate Test Equipment Production Equipment For sale PN 1.0 slip on carbon steel flange