TECHNOPOLYMER SPRING RETURN PNEUMATIC ACTUATOR Racks and pinion type spring return pneumatic actuator - 0 to 90° - Technopolymer body and caps - Stainless steel pinion - A2 stainless steel screws - NBR seals for operation between -20°C and +80°C - ISO 5211 mounting pad and female shaft with double square pattern according to DIN 3337 - Accessories top mounting pad according to VDI/VDE NAMUR - NAMUR and threaded front side plate for solenoid attachment or direct air connectivity.