The standard manual actuator bonnet for Saunders diaphragm valves, available in numerous materials, and with the signature open position yellow tab.

Key Features:

  • Suitable materials, corrosion resistant polymer and stainless construction
  • FDA conforming lubricants
  • Autoclavable types for valves subject to repeated autoclaving
  • Modular options including limit open and limit closed stops, padlocking device and switches



  • Clean external profile to facilitate wash down and cleaning regimes
  • Compact design easily integrated into process system
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