Benefits Increased Productivity: Weld longer and more efficiently with reduced downtime due to overheating Improved Weld Quality: Consistent heat control leads to superior weld integrity and appearance Enhanced Operator Comfort: Ergonomic design minimises fatigue and maximises control Extended Torch Life: Efficient water cooling prolongs the life of your investment Greater Versatility: Handle a wider range of welding applications with a single torch Multi-functional and Ergonomic TIG Welding Torches ESAB SR-B 21 torches are dedicated to quality. The torches are designed to provide convenience and versatility. Choose between with or without gas-valve and with optional flexible head to suit your individual application. Features Gas cooled torches always measured at 60% duty cycle. Water cooled at 100% duty cycle. Ergonomically formed handle with toggle switch. Cable assembly with swivel cable support on the handle Ordering Part No.