Enerpac rotary couplers provide a permanent hydraulic connection on indexing and rotating work stations High rotation per minute Low starting torque Internal oil bearings for increased lifetime Single, 2 or 4 passage coupler type Previous Next TabsChart ( metrics ) Number of Radial Passages Model Number 1) Operating Pressure Range Maximum Speed RPM Starting Torque Nm bar 100 bar 350 bar 100 bar 350 bar 1 CR-112 100 – 350 30 30 0,5 0,9 2 CRV-222 100 – 350 100 75 3,0 7,0 4 CRV-442 100 – 350 90 65 6,0 10,0 Chart ( Imperial ) Number of Radial Passages Model Number 1) Operating Pressure Range Maximum Speed RPM Starting Torque in. lbs. psi 1500 psi 5000 psi 1500 psi 5000 psi 1 CR-111 1500-5000 30 30 4.5 8 2 CRV-221 1500-5000 100 75 27 60 4 CRV-441 1500-5000 90 65 53 182