Aqua Lung Legend ACD First Stage Regulator - DIN

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Quick Overview

The Compact Over-Balanced Diaphragm First Stage Combines the Reliability of a Fully Protected Mechanism with the Ease of Breathing & Manufacturing Quality Common to all Aqua Lung Regulators

Aqua Lung Legend ACD First Stage Regulator - DIN

The Legend shares the same features and performance as the Legend LUX and Legend LX with one notable exception. Instead of the MBS dual control valve, the Legend offers a venturi switch.


First Stage Features:

  • Auto Closure Device (ACD) keeps corrosive water out of the first stage inlet by automatically closing as the Legend is removed from the cylinder valve
    • This prevents internal lubrication from washing away
    • Safer for elevated percentages of oxygen
  • Unique over-balanced, diaphragm design results in superior performance at depth
  • 2 HP ports and 4 MP ports are angled for optimum hose routing
  • An environmental dry system keeps water out of the main spring chamber thus preventing ice buildup and keeping silt and contamination out
  • Available in your choice of yoke or DIN connectors
  • Compatible with up to 40% O2 right out of the box
Type of first stage Over-balanced diaphragm design, environmentally sealed
First stage weight yoke / din (grams) 882 / 668
First stage length (mm) 74.7
Auto-Closure Device (ACD) YES
First stage MP chamber Enlarged, symmetrical, all ports provide equal access
Number of HP ports 2
Number of MP ports 4
Environmental Dry Kit Standard
First stage exterior Chrome over marine brass
First stage handwheel Triangular shape with oversized soft grip ribs, auto-drain
First stage dust cap

Redesigned so it will not inadvertently open the auto-closure device (ACD)

Weekly Special No
Stocked No
Product's code RT144111
Manufacturer Aqua Lung
Product Type Regulator-First Stage