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Alaabta

Usha Dahsoon Bir La'aanta Ah Sawirka
  • Usha dahsoon ee birta ah
  • Usha dahsoon ee birta ah

Usha dahsoon ee birta ah

Dulmar:

Ulaha birta ah ee birta ah ee birta ah, oo mararka qaarkood loo yaqaan birta aan birta lahayn, waa ulo toosan oo leh dun dhererkoodu dhan yahay, taas oo u oggolaanaysa in looska lagu duubo labada daraf. Ulahaan waxaa badanaa loo isticmaalaa in lagu xiro qaybo kala duwan ama si loo bixiyo taageero dhismeed.


Tilmaamaha

Shaxda cabbirka

Waa maxay sababta AYA

Sharaxaada Alaabta

Magaca Alaabta 304 / 316 Usha dahsoon ee birta ah
Qalab Waxa laga sameeyay 304/316 bir aan daahin, boolaladahani waxay leeyihiin iska caabin kiimiko oo wanaagsan waxaana laga yaabaa inay noqdaan kuwo bir ah oo khafiif ah. Waxa kale oo loo yaqaan A2/A4 birta aan lahayn.
Nooca Madaxa Madax la'aan.
Codsiga Inta badan waxaa loo isticmaalaa in lagu ilaaliyo taangiyada cadaadiska, valves iyo flanges.
Heerka Dhammaantood waxay la kulmaan ASME B18.31.3 ama DIN 976 qeexida heerarka cabbirka.

codsi

Ulaha dunta birta ah ee birta ah ayaa dheer, ulo toosan oo leh dun dhererkoodu dhan yahay. Waxa loo isticmaalaa in lagu bixiyo barta xidhitaanka ama sida qayb xasilinta ee codsiyada kala duwan ee dhismaha, warshadaynta, iyo dayactirka. Isticmaalka birta birta ah ee ulaha dunta leh waxay hubisaa iska caabbinta daxalka, taasoo ka dhigaysa inay ku habboon yihiin bay'ada ay soo gaadhaan qoyaanka iyo walxaha daxalka leh. Waa kuwan qaar ka mid ah codsiyada caadiga ah ee ulaha dun la'aanta ah:

Warshadaha Dhismaha:
Ulaha fidsan waxaa loo isticmaalaa dhismaha si ay u adkeeyaan, u taageeraan dhismooyinka, iyo isku xirka qaybaha kala duwan.

Injineeriyada Dhismaha:
Lagu dabaqay injineernimada qaabdhismeedka isku xirka alwaaxa, tiirarka, iyo walxaha kale ee xambaara

HVAC (kuleyliyaha, hawo-qaadista, iyo qaboojinta):
Loo isticmaalo in lagu deldelo ama lagu taageero tuubbooyinka HVAC, tubooyinka, iyo qalabka.

Codsiyada tuubooyinka:
Loo isticmaalo tuubooyinka ilaalinta tuubooyinka, qalabka iyo qaybaha kale ee tubooyinka.

Mashaariicda tamarta la cusboonaysiin karo:
Ulaha xadhigga leh ayaa loo adeegsadaa dhismaha taawarrada marawaxadaha dabaysha iyo kaabayaasha kale ee tamarta la cusboonaysiin karo.

Qalabka Shaybaadhka:
Codsaday in dhismaha iyo isu-ururinta habaynta shaybaadhka iyo qalabka.

Ulaha dunta birta ah ee birta ah ayaa lagu heli karaa darajooyin kala duwan, iyadoo 304 iyo 316 ay yihiin xulashooyin caadi ah. Xulashada darajadu waxay kuxirantahay xaaladaha deegaanka ee gaarka ah iyo shuruudaha codsiga. Intaa waxaa dheer, dhexroorka, dhererka, iyo garoonka dunta ee ulaha dunta leh waa in ay la socdaan baahiyaha mashruuca gaarka ah.

  • Kii hore:
  • Xiga:

    • ASME B18.31.3

    Xajmiga xadhigga M4 M5 M6 (M7) M8 M10 M12 (M14) M16 (M18) M20
    d
    P Garoon 0.7 0.8 1 1 1.25 1.5 1.75 2 2 2.5 2.5
    Dul wanaagsan / / / / 1 1.25 1.25 1.5 1.5 1.5 1.5
    Dul aad u fiican / / / / / / 1.5 / / / /
    b1 5 6.5 7.5 9 10 12 15 18 20 22 25
    b2 L≤125 14 16 18 20 22 26 30 34 38 42 46
    125 L≤200 20 22 24 26 28 32 36 40 44 48 52
    L ＞200 / / / / / 45 49 53 57 61 65
    x1 1.75 2 2.5 2.5 3.2 3.8 4.3 5 5 6.3 6.3
    x2 0.9 1 1.25 1.25 1.6 1.9 2.2 2.5 2.5 3.2 3.2
    Isku-xidhka Isku-xidhka (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52)
    d
    P Garoon 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5
    a max 7.5 7.5 7.5 9 9 10.5 10.5 12 12 13.5 13.5 15 15
    c min 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3
    max 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1
    da max 20.2 22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6
    dw Darajada A min 25.3 28.2 30 33.6 - - - - - - - - -
    Darajada B min 24.8 27.7 29.5 33.2 38 42.7 46.5 51.1 55.9 59.9 64.7 69.4 74.2
    e Darajada A min 30.14 33.53 35.72 39.98 - - - - - - - - -
    Darajada B min 29.56 32.95 35.03 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25
    k Cabbirka Magaca 11.5 12.5 14 15 17 18.7 21 22.5 25 26 28 30 33
    Darajada A min 11.28 12.28 13.78 14.78 - - - - - - - - -
    max 11.72 12.72 14.22 15.22 - - - - - - - - -
    Darajada B min 11.15 12.15 13.65 14.65 16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5
    max 11.85 12.85 14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5
    k1 min 7.8 8.5 9.6 10.3 11.7 12.8 14.4 15.5 17.2 17.9 19.3 20.9 22.8
    r min 0.6 0.8 0.8 0.8 1 1 1 1 1 1.2 1.2 1.6 1.6
    s max=xajmiga magac ahaan 27 30 32 36 41 46 50 55 60 65 70 75 80
    Darajada A min 26.67 29.67 31.61 35.38 - - - - - - - - -
    Darajada B min 26.15 29.16 31 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1

    ANSI/ASME B18.2.1

    Isku-xidhka Isku-xidhka 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
    d
    PP UNC 20 18 16 14 13 11 10 9 8 7 7 6 6
    UNF 28 24 24 20 20 18 16 14 12 12 12 12 12
    8-UN - - - - - - - - - 8 8 8 8
    ds max 0.26 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022 1.149 1.277 1.404 1.531
    min 0.237 0.298 0.36 0.421 0.482 0.605 0.729 0.852 0.976 1.098 1.223 1.345 1.47
    s max 0.438 0.5 0.562 0.625 0.75 0.938 1.125 1.312 1.5 1.688 1.875 2.062 2.25
    min 0.425 0.484 0.544 0.603 0.725 0.906 1.088 1.269 1.45 1.631 1.812 1.994 2.175
    e max 0.505 0.577 0.65 0.722 0.866 1.083 1.299 1.516 1.732 1.949 2.165 2.382 2.598
    min 0.484 0.552 0.62 0.687 0.826 1.033 1.24 1.447 1.653 1.859 2.066 2.273 2.48
    k max 0.188 0.235 0.268 0.316 0.364 0.444 0.524 0.604 0.7 0.78 0.876 0.94 1.036
    min 0.15 0.195 0.226 0.272 0.302 0.378 0.455 0.531 0.591 0.658 0.749 0.81 0.902
    r max 0.03 0.03 0.03 0.03 0.03 0.06 0.06 0.06 0.09 0.09 0.09 0.09 0.09
    min 0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03
    b L≤6 0.75 0.875 1 1.125 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25
    L：6 1 1.125 1.25 1.375 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5
    Isku-xidhka Isku-xidhka 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3 3-1/4 3-1/2 3-3/4 4
    d
    PP UNC - 5 - 2004/1/2 2004/1/2 4 4 4 4 4 4 4
    UNF - - - - - - - - - - - -
    8-UN 8 8 8 8 8 8 8 8 8 8 8 8
    ds max 1.658 1.785 1.912 2.039 2.305 2.559 2.827 3.081 3.335 3.589 3.858 4.111
    min 1.591 1.716 1.839 1.964 2.214 2.461 2.711 2.961 3.21 3.461 3.726 3.975
    s max 2.438 2.625 2.812 3 3.375 3.75 4.125 4.5 4.875 5.25 5.625 6
    min 2.356 2.538 2.719 2.9 3.262 3.625 3.988 4.35 4.712 5.075 5.437 5.8
    e max 2.815 3.031 3.248 3.464 3.897 4.33 4.763 5.196 5.629 6.062 6.495 6.928
    min 2.616 2.893 3.099 3.306 3.719 4.133 4.546 4.959 5.372 5.786 6.198 6.612
    k max 1.116 1.196 1.276 1.388 1.548 1.708 1.869 2.06 2.251 2.38 2.572 2.764
    min 0.978 1.054 1.13 1.175 1.327 1.479 1.632 1.815 1.936 2.057 2.241 2.424
    r max 0.09 0.12 0.12 0.12 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19
    min 0.03 0.04 0.04 0.04 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06
    b L≤6 3.5 3.75 4 4.25 4.75 5.25 5.75 6.25 6.75 7.25 7.75 8.25
    L：6 3.75 4 4.25 4.5 5 5.5 6 6.5 7 7.5 8 8.5

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