... size: 1/2"-6" 3. type: B 4. thread: BSP OR NPT B Type Aluminum camlock coupling(cam and groove quick ... our camlock coupling: 1/2"-8"4. Camlock Type: A, B, C, D, DC, DP, E, F5. Body material: ... plated rings and safety clips (the safety clip is optional part of our camlock couplings)8. Sealing Material: NBR, EPDM, ... evelope gasket9. Thread of Our Camlock: NPT OR BSP B Type aluminum camlock quick coupling