Double-acting cylinder switching action chu air source-in a khalh a,entilation pawh a on a, a off a, position a awm reng bawk a;
Single-Acting Switch action chu open action chu air driven a ni a, close action chu spring return a ni: Single{{1}Tirating: Normally Open Type(n/O) leh a tlangpuiin closed type(n/c) a ni. Normally open type: Ventilation off, hawn; Normally closed type: Ventilated open, closed.
