DK means it can be DIN or Yoke (comes with a removeable insert). Right valve "DX" is standard, standing behind that you would close with your right hand.
The San o Sub DK Valve is a high-performance, durable valve designed for precision control in diving and gas management systems. Crafted to meet the rigorous demands of professional divers and technical applications, this valve offers reliable functionality and ease of use in various underwater and industrial environments.


