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The MLW is an back-pack
rebreather like the most fire-fighter SCBA (Semi closed breathing apparatus)
The shoulder straps are made from a cotton mix. |
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The facemask
is an modification of the regular gasmask model MLW-13013. The mask is
maiden from black rubber. The face setting is leather. Not the best stuff
available, but for the wearer rather comfortable. |
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the open unit, detail: throw away scrubber
not available |
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That is the over pressure valve and the
inspiration valve. |
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When the pressure in the loop gets to high, the
counter lung moves the lever and the pressure is reduced.. |
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Here you see the expiration valve. It is the
typical valve of rebreathers from MLW and the Russian models. It is
made of stainless steel and is extremely reliable. |
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Detail from the regulator. Like the most SCBA
rebreathers, the MLW has an constant flow plus an auto addittion valve. The
flow is 1.2 litres per minute. The regulator fits for the regular German
oxygen thread. |
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The cylinder is 2 litres, and is filled to 200
BAR. The on/off knob is big, with a rubber periphery for easy gripping with
gloves or cold hands, and is marked with the MLW logo. On the right upside
you can see the lever for the oxygen flush. |
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Here you see the
lock system of the shell. |
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Spring operated
belt snap |
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The oxygen
cylinder is hold by an stainless steel spring. Also simple, but works ok.
The white cross on the green background means medical oxygen. |
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The counter lung
is maiden in grey rubber. It has an internal anti-collapse spring. This is a
typical Dräger feature. |
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The gauge has an rubber coated. The measuring
range is from 0 to 300 kilopond/cm2. 300kp/cm2 is 4266 psi. |
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The serial number with model number. |
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The outside of the shell. It is reinforced
with grey rips of plastic. In the middle the additional ID-plate. |
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On the ID-plate the type number is visable, the
government registration number, the date of building and the serial number
again. That is typical German, one item, but two ID-labels. |
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Old technology , but
superior design. |
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