Smith SW207 Welding Tip – Size 8.5" (216 mm) The Smith SW207 Welding Tip is engineered for precision and reliability in acetylene gas service applications. With a soft flame profile, this tip is ideal for welding materials up to 3/16 inch thick. It delivers consistent performance with an acetylene flow rate of 12 CFH at 10 PSI and matching oxygen flow and pressure specifications. Designed for smooth operation and clean welds, the SW207 combines durable construction with optimal gas efficiency for professional-grade results..