... : 1/2"-6" 3. type: B 4. thread: BSP OR NPT B Type Aluminum camlock coupling(cam and groove ... quick coupling, camlock, quick coupler) specifications:1. Standard of our cam or ... Specification of our camlock coupling: 1/2"-8"4. Camlock Type: A, B, C, D, DC, DP, E ... evelope gasket9. Thread of Our Camlock: NPT OR BSP B Type aluminum camlock quick coupling