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Control Systems

 Shafer designs, builds and tests the complete valve operating system, including the actuator, controls and accessories. When you specify Shafer, you receive a complete system, factory tested, field proven and guaranteed. Shafer actuators can be operated locally, remotely or automatically by a variety of sensory and control devices. We have developed more than 4000 individual control systems to meet the many requirements of our customers.

Typical Control Systems

  • Local Manual
  • Remote two-way electric
  • Linebreak Protection sensing rate of pressure drop
  • Emergency Shutdown (ESD) or fail-safe
  • High/low pressure shutoff

Common Accessories

  • Manual hydraulic hand pump
  • Control valves –hydraulic and pneumatic
  • Sensors for automatic operation
  • Power storage vessels
  • Power supply units
  • Limit switches and position transmitters
  • Speed controls
  • Regulators
  • Filters

All accessories have undergone thorough testing and field evaluation to ensure their performance as part of a larger system.

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