500 Se Dc7 Regulator - Yoke

Stock No.  HL240.3500.07
Recommended AU$ 1,199.00 Abyss Price: AU$ 1,091.55
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The Hollis 500SE DC7 regulator utilizes a servo-controlled valve to provide precision airflow and unparalleled performance for both air and trimix divers in a side exhaust configuration. To achieve this, Hollis has perfected the original "lever-servo valve". Overbalanced diaphragm first stage also provides ideal hose routing for both backmount and sidemount users and optimum performance regardless of depth.

DC7 First Stage 

  • High performance over-balanced first stage provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions 
  • Fixed hose routing ideal for both backmount and sidemount configuration 
  • Environmental sealing prevents internal corrosion, contaminants, and icing of the first stageDesigned to withstand the rigorous CE standard for coldwater performance 
  • Nitrox compatible to 40% 
  • 2 High Pressure and 4 Low Pressure ports 


500SE Second Stage 

  • Pneumatically balanced servo valve system 
  • Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue 
  • Standard with 30" maxflex hose 
  • Easily disassembled without the use of tools and underwater if necessary 
  • Left or right positioning - no upside down 
  • Boltsnap tie point 


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