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ITT Controls

111 - 2013

Cameron LEDEEN SY Series

Cameron LEDEEN SY Series Gas-Over-Oil and Direct Gas Actuators

Modular Assembly

Consistent engineering design and efficient modular assembly. This leads to increased flexibility. Double acting, single cylinder or dual cylinder are combinations which are available for specific pipeline application requirements.

Typical application

For on /off control of any natural gas transmission ball or plug valve. It utilizes the high-pressure natural gas from the pipeline with a gas-over-oil configuration.

Standard Features ot the Quarter-Turn Gas-Over-Oil

  • Single or dual-cylinder models available
  • Torque outputs to 5,700,000 in-lb (644,000 N·m)
  • Open and close travel stops provide ± 3 degrees minimum
  • Scotch yoke mechanism generates powerful opening and closing torque outputs
  • Steel fabricated frame provides rugged foundation of modular assemblies
  • Nickel-plated side load bar with guide block for effective elimination of piston rod deflection and stem side loading
  • Bronze bushing interfaces provide low-friction support of sliding and rotating components
  • Aluminum bronze sliding blocks for a low-friction, low-stress pin connection
  • Steel cylinder assembly provides robust pressure containment for all conditions
  • Electroless nickel-plated cylinder ID ensures excellent sealing surface with excellent corrosion resistance
  • Buna piston seal configurations specifically designed for gas-over-oil applications
  • Composite guide band on piston provides low-friction guidance and support
  • ASME/PED gas-over-oil pressure vessels complete with dipstick, hydraulic filter and adjustable speed controls
  • High-pressure rated gas controls for local, remote and automatic operations
  • Hydraulic manual override with four-position selector valve, purging port and breakdown-style pump lever

 

Standard Features of the Quarter-Turn Direct Gas

  • All double acting models are dual cylinder
  • Gas cylinder dedicated to generating torque and hydraulic cylinder dedicated to smooth speed control and manual override with hand pump
  • Torque outputs to 5,700,000 in-lb (644,000 N·m)
  • Open and close travel stops provide ± 3 degrees minimum
  • Scotch yoke mechanism generates powerful opening and closing torque outputs
  • Steel fabricated frame provides rugged foundation of modular assemblies
  • Nickel-plated side load bar with guide block for effective elimination of piston rod deflection and stem side loading
  • Bronze bushing interfaces provide low-friction support of sliding and rotating components
  • Aluminum bronze sliding blocks for a low-friction, low-stress pin connection
  • Steel cylinder assembly provides robust pressure containment for all conditions
  • Electroless nickel-plated cylinder ID ensures excellent sealing surface with excellent corrosion resistance
  • Buna piston seal configurations specifically designed for direct gas applications
  • Composite guide band on piston provides low-friction guidance and support
  • Seal welded, steel spring cartridge provides maximum personnel safety and resistance to environmental conditions
  • Epoxy coated, prestressed springs provide consistent performance with corrosion protection
  • High-pressure rated gas controls for local, remote and automatic operations
  • Hydraulic manual override with three-position selector valve, dual speed controls purging port and breakdown-style pump lever