... 2. size: 1/2"-6" 3. thread: BSP OR NPT C Type Aluminum camlock coupling(cam and groove quick coupling, camlock, quick ... of our camlock coupling: 1/2"-8"4. Camlock Type: A, B, C, D, DC, DP, E, F5. Body material: Aluminum A356 ... , PTFE evelope gasket9. Thread of Our Camlock: NPT OR BSP C Type aluminum camlock coupling