Technical information are provided for informative purpose only and can be subject to change without prior notice 50 C3 and C4-Series New integrated hold open device It securely holds the clamp in its open position in case of air loss Technical features Manual release button to open the linkage when air pressure is removed during setup. Pneumatic ports on both sides of the cylinder. Operating features Operating pressure from 2 to 8 bar / from 30 to 115 psi Lubrication all the devices are lubricated for life at the factory. Inline air lubrication isn’t required High retention make sure to supply air to the opposite side of the cylinder before switching the valve Functional charts Automotive Catalogue Clamping C3 and C4-Series Patented The new integrated hold open device is a reliable solution even for applications with considerable axial load on the clamping arm. It allows for a smooth and controlled restart of the cycle. Compact overall dimensions. Available for all clamps’ mountings (logo International mount and logo NAAMS). Protection against external impacts, dust and welding debris. • Air consumption Air consumption for complete cycle (opening and closing) REV. 00 - 17/06/2015 • Clamping moment (at 5 bar / 72.5 psi) 130 N m / 95,88 lb·ft The above data are meant for correct working conditions of the clamp with the same performance level during its life time. For applications which exceed the above data, please contact our sales representatives. • Holding moment 380 N m / 280,27 lb·ft • Tooling weight chart 5 bar operating pressure – 135° opening angle REV. 00 - 17/06/2015 0 0 5 10 15 30 Air consumption (Nl) Opening angle (°) 45 60 75 90 105 120 135 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 70 90 110 130 150 Load (kg) Distance from center of gravity to pivot point (mm) 170 190 210 1 2 3 4 5 Air consumption (Nl) at 2 bar / 30 psi Air consumption (Nl) at 5 bar / 72.5 psi Air consumption (Nl) at 8 bar / 115 psi Size 40 mm 0.8 s 1.7 s NO FLOW VALVE REQUIRED CLAMPING
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