4-1. Size : 1/2 ~ 40" 4-2. Applications All types of pipes for water supply lines or various industries. Used for connection between pipes or emergency repair of pipe-lines. 4-3. Materials : Stainless steel CF8 & CF8M 4-4. Working Pressure : 10bar 4-5. Features Couplings are designed to maximize flow with minimum pressure loss. Stainless steel body with High quality sealing materials and optimized design prevent fluid leakage. Easy and quick installation for general piping application or emergency repair. Various rubber packing materials are applicable in accordance with different fluids and conditions. No welding, no heavy tools required, and can be applicable to various pipe materials.