In-line Speed Controller with Push-in Fittings, Elbow & Universal Minimises installation time and cost Accepts nylon or polyurethane tubing Wide variety of sizes Speed accurately controlled even at low velocity Constant speed easily set Retaining function prevents loss of needle Meter out operation Universal type allows body to swivel 360° Flow Regulators & Restrictors - SMC Regulators for controlling the flow of compressed air to pneumatic actuators. SMC’s AS series speed controllers have a larger, push-pull locking dial making precise adjustment and control easy and reducing the setting time by half. Available to suit a range of tubing diameters.