It's a bold statement, but it's backed up with decades of proven performance, millions of actuators in the field, and many happy customers.  Click image below for larger view:

Applications

Operation or positioning of ball, butterfly, plug and control valves, ventilation dampers and automatic doors. Uses also include movement and positioning of components during manufacture - in fact anything that needs to be turned through 90° or less, automatically or by remote control.

• LONG MAINTENANCE-FREE LIFE - Up to 4 million operations guaranteed.
• PROVEN IN SERVICE - Millions of units operating trouble-free worldwide.
• CHOICE OF MALE OR FEMALE OUTPUT DRIVE SQUARES - Easy and versatile interface to applications
• CLOSE COUPLED CONTROL MODULES - Fail-safe spring returns, limit switch boxes, solenoid valves and positioners all close coupled to actuators
• Patented Energy Absorbent, Space Filling Sideplates - Minimise dimensions and air consumption thereby maximising efficiency and operating speeds
• Visual Position Indication
• Internal Shaft / Vane Casting - Single moving part with no cranks or gearing. Simplest quarter-turn design eliminates fretting and power loss. Zero backlash produces most accurate modulation.
• Unique Serial Number - For identification and traceability
• Easy End Stop Adjustment - At each end of travel for accurate setting / seating
• Double Opposed Lip Seals - Wear resistant polyurethane lip seals preloaded by stainless steel spring expanders
• Long Life Low Friction Polymer Internal Finish
• Epoxy Stove Enamel External Finish - Durable and corrosion resistant