Hollow piston rod allows vacuum connection Vacuum pad can be mounted directly to piston rod using female thread vacuum pads, available separately Double acting Non-rotating piston rod, accuracy ±0.8º (16mm dia), ±0.5º (20mm dia) Proof pressure 10.5 bar Operating pressure range 0.7 bar, 16mm dia and 0.6 bar, 20mm dia (min) to 7 bar (max) Vacuum port pressure -760mmHg – 0.6 bar Ambient and fluid temperature 5°C to 60°C Lubrication not required Rubber cushion both sides