The special actuator SPA20 is suitable for welding operations of thermoplastic parts from medium to large size als well as for punching textiles. Operable with RDG, SDG and ADG generators as well as with an AGM generator in combination with an external controller Travel measurement, trigger / trigger potentiometer and depth detecting stop optionally retrofit Designed for the assembly into special purpose machines Compact construction Operating frequency 20 kHz Drive Pneumatic, double acting cylinder Weight 17 kg without oscillator system Compatible generators ADG20, AGM20, RDG20, SDG20