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Kirby Morgan 77

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  • Manual KM 77
    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.
  • Auxiliary Port
    The auxiliary port will allow for future add-ons and modifications to the stainless steel helmets. It is located on the port side of the shell as shown below.
  • Defogging Steady Flow Valve
    Provides an additional flow of gas into the helmet for ventilation and defogging.
  • Emergency (EGS) Valve
    Emergency (EGS) Valve supplies backup breathing gas to the diver. This valve is an integral, built in part of the stainless steel sideblock.
  • Gas Supply Non-Return Valve
    Commercial Rated™, It prevents loss of gas pressure in the event of umbilical damage.
  • Handle
    Removable Grip and handle. Handle can be removed without breaking seals, making it quick and easy to attach accessories.
  • Nose Block Device
    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.
  • REX® Regulator
    Full adjustment balanced piston is a breakthrough design that exceeds all requirements of all government or other testing agencies.
  • Silicone Oral Nasal Mask
    Made of a superior silicone material which is hypo-allergenic and has a longer work life than latex.
  • Stainless Steel Shell
    After x-ray inspection, each 316 stainless steel shell, is precision CNC machined to tight tolerances, to ensure proper fit to all other mating parts. The shell is durable and easy to maintain. Easily cleaned using a Scotch Brite® or similar type cleaning pad.
  • Stainless Steel Side Block
    Multi use side block has additional ports built in to provide controlled air flow, if needed. The stainless steel sideblock has a built in EGS.
  • Whisker Wings
    Bubble deflecting Whisker wings keep bubbles further from face port and ears, improving visibility and decreasing internal noise.

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