Draper 54417 1/2" BSP Male Nut PCL Euro Coupling Adaptor (Sold Loose) For heavy duty high flow applications - Tested to over 1 million cycles - Connects to most popular and European adaptor profiles (Cejn, Rectus etc.) - Zinc passivated to significantly improve corrosion resistance - Hard wearing steel constructionSold loose. Flow capacity at 6 bar inlet and 0.5bar pressure drop: : 78cfm (2200L/min) Max. working pressure: : 500psi (35bar) Test pressure: : 725psi (50bar) Max. burst pressure: : 2030psi (140bar) Temp. range: : -40 to 100 degreesC Nominal flow diameter: : 7.4mm