Gravity Zero MK II - Introduction; MK II Overview; MK II Pro Version; Technical Data

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1. INTRODUCTION

MK II is a new fully closed circuit oxygen rebreather designed by GRAVITY ZERO, Italy, for military and

technical use.

Oxygen Rebreather MK II is one of the most compact and lightest weight fully closed circuit oxygen rebreather

on the market.

A special version, called MK II pro is available on request; this version differs from the standard version MK II

in having an innovative soft shield composed of kevlar-cordura wich keeps and protects the polyurethane

rubber breathing bag from possible cutting and abrasion under special operating conditions.

Figure 1- Fully Closed Circuit Oxygen Rebreather MK II

2. TECHNICAL DATA

Manufacturer: GRAVITY ZERO

Order No 1

Working Principle: cyclic

Breathing Gas: pure oxygen

Cylinder (two type available):

 volume 2,0 litres 2,0 litres

 pressure: 200 bar 200 bar

 material: aluminium alloy steel

Breathing Bag Volume: 9,5 litres

Carbon Dioxide Scrubber : soda lime, about 1.30 kg

Duration: according to workload up to 3 hours

Maximum Depth: 6 metres, (ppO

1,6 ATA)

Weight: 6 kg, ashore

Dimensions: L 400 mm x W 400 mm x H 110 mm