... (°C)-20--+80Feature1. The design of rack and pinion double-piston2.The extruded high-quality aluminum alloy cylinder ,its longer ... service life and low friction coefficient.3.Unibody design ,double acting and single acting have the same cylinder and end ... CF3M)Seat material: PTFE, PPL, N, H, YMode of action: double-acting, single-acting (spring reposition)Control: Switch , Adjust .Selection of ...