Technical Specification

• Totally enclosed, weatherproof housing in fabricated carbon steel for maximum strength.
• Guide bar resists transverse loads and supports the piston rod.
• Hard chromium plated alloy steel material guarantees corrosion protection and minimal friction.
• PTFE-impregnated bronze or sintered bronze bushings provide minimal friction and extended service life.
• Scotch yoke design with canted or symmetric torque arm allows close working to distinctive valve torque profiles.
• External travel stops for precise angular stroke adjustment 90° +/- 4° at each end of travel.
• Electroless nickel plated and polished cylinder provides maximum corrosion resistance and reduces friction.
• Triple-element piston seals provide low friction, high sensitivity, ensure long life and prevent sticking problems.
• OLGAS fully encapsulated spring return pack ensures personnel safety and simplifies assembly.
• OLGAS modular design enables spring action to be changed in the field easily.
• OLGAS-QA achieves ‘safe’ position in 0.2 second.

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