TopKit KitReviews

Updated Cold Water First Stage Paired With 'Reinvented' Second

scubapro mk19 d420 title

Scubapro has reinvented the past with its new D420 second stage, the successor to the D400 which was first produced almost 30 years ago. Marketed as ‘comparable to breathing on the surface’ with a new ‘progressive’ flow-control valve, the regulator can be mounted with the hose on the left or right side, has an enlarged purge control for ease of use with gloves, and a new dive/predive system which alters the airflow directly from the valve, rather than the standard Venturi assist mouthpiece block.

The D420 has been paired with Scubapro’s new and updated MK19 EVO cold-water suitable first stage, slimmed down from the original with a new environmentally sealed dry chamber, 2 HP ports and 5 HPF (High-Pressure Flow) low-pressure ports on a 360° swivelling turret.

Features: MK19 EVO First Stage

  • Type: Balanced diaphragm
  • Body: Brass, polished chrome finishing
  • HP ports: 2
  • LP ports: 5xHFP (High Flow Port) on 360° rotating turret
  • Environmentally sealed dry chamber with anti-freeze protection
  • Max working pressure (INT): 230bar (3336psi)
  • Max working pressure (DIN): 300bar (4350psi)
  • Intermediate pressure: 9-9.8bar (130-142psi)
  • Air flow at 200bar: 6900 litres/min
  • Weight: DIN - 665g (23.5oz), INT - 885g (31.2oz)
  • Cold water: yes

scubapro mk19 d420 int din

Features: D420 Second Stage

  • Type: Balanced
  • Body: Fibreglass-reinforced nylon
  • Air-balanced progressive flow control valve
  • Dive/pre-dive system alters airflow directly from valve
  • Diaphragm located in lower casing for easier breathing
  • Reversible hose attachment for left- or right-side LP hose connections
  • Large purge button for ease of use, with or without gloves
  • Compact exhaust tee with bubble redirection
  • Oversize-bore 'superflow' hose for increased air flow during inhalation.

RRP MK19 EVO/D420: £695 (£830 including octopus)

www.scubapro.com

 

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