The Airflow Coupling is the original quick-release coupling with over 50 years of design enhancements, and is manufactured in the UK to the highest standard PCL's Airflow couplings are designed for FIXED applications. Features Benefits: Compatible with the Standard Adaptor range Steel Construction - robust and hardwearing, ideal for use in the engineering/workshop environment Positive locking mechanism Specifications: Nominal Bore4.8 mm Maximum Flow Rate42 cfm (1) Maximum Working Pressure200 psi / 14 bar Temperature Range-40C to 100C InterchangeabilityRectus 19. The 'Industry Standard' coupling, these tailpieces are manufactured from high-quality Sheffield steel. For use with air tools, garage, industrial airline supplies and test panels. The BSP products are designed for single-action fixed applications and are compatible with standard adaptors. Complete with a quick-release action and positive locking mechanism to prevent accidental disconnection. Available in a range of sizes to suit your needs. Features and Benefits Compatible with standard adaptors Positive locking mechanism ensures a firm hold for optimum airflow Available in varying sizes to suit your requirements Steel construction makes for a durable product Quick release allows you to easily remove the coupling when desired Typical Applications Automotive Workshops