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: co2.

  1. #1

    co2.



    co2?
    co2 .
    @#$ sch 80 3000 lib.... . .
    . ....
    ? 200 bar ?
    8 10 , .
    3000+ ..... ......
    ...

  2. #2
    monachus's Avatar
    May 2001
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    grplumer
    co2?
    co2 .
    @#$ sch 80 3000 lib.... . .
    . ....
    ? 200 bar ?
    8 10 , .
    3000+ ..... ......
    ...
    .....

    H NFPA 12: CARBON DIOXIDE EXTINGUISHING SYSTEMS , sc40.
    .

    " .
    , ."

    St Francis of Assisi

  3. #3
    monachus's Avatar
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    , ( sc40, sc80(!) .
    " .
    , ."

    St Francis of Assisi

  4. #4
    ..
    . co2 . . << , , >>
    ? .... .

    .
    co2 . . . ...
    << >>...........

  5. #5
    monachus's Avatar
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    NFPA 12 (https://law.resource.org/pub/us/cfr/...a.12.2005.html) CO2:

    4.7 Distribution Systems.
    4.7.1* Piping shall be of metallic noncombustible material having physical and chemical characteristics such that its deterioration under stress can be predicted with reliability.
    4.7.1.1 Where piping is installed in severely corrosive atmospheres, special corrosion-resistant materials or coatings shall be used.
    4.7.1.2 Materials for piping and the standards covering these materials shall be as described in 4.7.1.2.1 through 4.7.1.2.5.
    4.7.1.2.1 Black or galvanized steel pipe shall be either ASTM A 53 seamless or electric welded, Grade A or B; or ASTM A 106, Grade A, B, or C.
    4.7.1.2.1.1 ASTM A 120 and ordinary cast-iron pipe shall not be used.
    4.7.1.2.1.2 Stainless steel shall be TP304 or TP316 for threaded connections or TP304, TP316, TP304L, or TP316L for welded connections.
    4.7.1.2.2 In systems using high-pressure supply, ¾ in. and smaller pipe shall be permitted to be Schedule 40.
    4.7.1.2.2.1 Pipe that is 1 in. through 4 in. shall be a minimum of Schedule 80.
    4.7.1.2.2.2 Furnace butt-weld ASTM A 53 pipe shall not be used.
    4.7.1.2.3 In systems using low-pressure supply, pipe shall be a minimum of Schedule 40.
    4.7.1.2.3.1 Furnace butt-weld ASTM A 53 pipe shall be permitted to be used.
    4.7.1.2.4 A dirt trap consisting of a tee with a capped nipple, at least 2 in. (51 mm) long, shall be installed at the end of each pipe run.
    4.7.1.2.5 Piping sections not normally opened to atmosphere shall not be required to have corrosion-resistant finish on the inside.
    4.7.1.3* Flexible piping system components not specifically covered in this standard shall have a minimum burst pressure of 5000 psi (34,474 kPa) for high-pressure systems or 1800 psi (12,411 kPa) for low-pressure systems.
    4.7.1.4 Class 150 and cast-iron fittings shall not be used.
    4.7.1.5 Fittings for high- and low-pressure systems shall be as described in 4.7.1.5.1 and 4.7.1.5.2.

    , sc80, sc40 ( ), .
    " .
    , ."

    St Francis of Assisi

  6. #6
    !!!!!!!!!!!!!

  7. #7
    Super Moderator DDD's Avatar
    Jul 2007
    Athens, , Greece.
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    1,695
    grplumer
    ... 200 bar ?
    , 200 bar CO2. ( Inergen). , . CO2 50, ~52 bar.

  8. #8
    Super Moderator DDD's Avatar
    Jul 2007
    Athens, , Greece.
    :
    1,695
    monachus
    , sc80, sc40 ( ), .[/font][/color]
    dn100 (4") s40 ( ).

  9. #9
    Super Moderator DDD's Avatar
    Jul 2007
    Athens, , Greece.
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    1,695


    , VdS 2093 CO2 DIN 2448 (EN 10210) und DIN 2458 (EN 10219) DIN 2391 (EN 10305-1) DIN 2393 (EN 10305-2).

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