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Kirby Morgan 57

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  • No longer in production. Spares are available.
Body: 

KM57 Top Tab

  • Manual KM37 & KM57
    This is your operations and maintenance manual. It is a writable USB flash drive which enables you to add or subtract the manual PDF sections as they are updated or when you purchase new Kirby Morgan products.
  • Logbook w/ pen
  • Helmet/Mask Bag

    Measurements: 16’’ length x 12’’ width x 16’’ height. Made of high quality, tough black nylon, encasing a light weight, white polyethylene foam that features low water absorption and is fairly rigid (good impact strength). The two grommeted ventilation holes seen in the photo are on both sides of the bag. A large elastic topped pocket is on each side, for holding tool kits, checklists, logbooks, spares, etc. (There are no inside pockets). The bag handles are 1” wide straps of black polyester webbing. The bag closes up with two, large YKK zippers. We do not recommend the 500-901 helmet bag as a shipping container or packaging for your Kirby Morgan life support equipment!


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  • Air Train
    The air train diffuses incoming breathing air/gas onto the face port/lens to defog and ventilate.
  • Defogging Steady Flow Valve
    Provides an additional flow of gas into the helmet for ventilation and defogging.
  • Emergency (EGS) Valve
    Supplies backup breathing gas to the diver.
  • Fiberglass and Carbon Fiber Reinforced Shell.
    Kirby Morgan® has over 50 years experience in composite laminations. The helmet shell is hand laid up glass fiber reinforced thermal setting polyester (fiberglass) with carbon fiber reinforcement at key points for added durability. It is light and highly impact resistant, and provides a heat/cold barrier as well as being an excellent electrical nonconductor.
  • Gas Supply Non-Return Valve
    Commercial Rated™, It prevents loss of gas pressure in the event of umbilical damage.
  • Nose Block
    Nose Block Device allows the diver to block the nose to equalize ears.
  • Rapid Change Modular Communications Systems
    Because the module is easily removed the helmet, repair or replacement of communications parts is quick and trouble free. It is available with either a male waterproof connector or a bare wire post connection.
  • Side & Top Weights
    Brings unsurpassed balance to the helmet while providing for accessory mounting areas.
  • Side Block
    Multi use side block has additional ports built in to provide controlled air flow, if needed.
  • Silicone Oral Nasal Mask
    Made of a superior silicone material which is hypo-allergenic and has a longer work life than latex.
  • SuperFlow® 450 Stainless Balanced Regulator
    This balanced, stainless steel, Commercial Rated™ demand regulator provides easy breathing and excellent performance with low-pressure compressors.
  • Whisker Wings
    Bubble deflecting Whisker wings keep bubbles further from face port and ears, improving visibility and decreasing internal noise.