Air-hydro cylinder: CA1lHl-l, CQ2lHl-l, CS1lHl-l, CM2lHl-l, CG1lHl-l(to 63), HC03-X1-lXl Air-hydro rotary actuator: CRA1 Hl-l wWhen determining the size of a converter based on the , do not select a converter bore that is too small for the cylinder's bore size because this will increase the oil level speed, causing the oil to blow out.