NORMACONNECT V profile clamps are quick assembly connecting devices for flanges which offer an economical alternative to conventional bolted flange joints. applications: 1.tubochargers 2.exhaust system 3.EGR system 4.DPF/SCR system 5.filtration system 6.engine 7.cooling system 8.charged air application material: W2(430,zinc plated screw), W4(304)