Investigatio
Dec . 17, 2024 10:34 .
Pipe Nominalis Magnitudo (NPS) est Septentrionalis Americanorum statuta mensurarum magnitudinum pro tibiis adhibitis pro pressuris et temperaturis acutis vel demissis. "Nominalis" fistulam in terminis non specialibus significat et diametrum foraminis designat cum numero non dimensiva (exempli gratia - 2-unc nominalis fistulae ferreae" constat ex multis varietatibus fistulae ferreae cum sola criterio 2.375-inch (60.3 mm) extra diametrum.) Fistula specifica a fistula diametri notatur, et alius numerus schedularum non dimensivus, exempli gratia pro muro schedulo-schedula. "Dimeter 2-unciarum fistula, Schedule 40"). NPS saepe perperam vocatur Pipe National Magnitudo, ob confusionem cum American vexillum pro filis fistularum, "tibia nationalis recta", quae etiam abbreviata ut "NPS" appellatio Europae et internationalis NPS aequivalens est DN (diametre nominalis/nominalis diametri/Nennweite), in quo saepe mensurae termini IIS 6708 . DN.
Applicationem
Fundatur in NPS et schedula tibiae, [5] fistula extra diametrum (OD) et parietis crassitudo haberi potest ex tabulis referentibus quales sunt infra, quae in signis ASME innituntur B36.10M et B36.19M. Exempli gratia, NPS 14 Sch 40 habet OD digitorum 14 (360 mm) et murus crassitudo digitorum 0,437 (11,1 mm). Sed valores NPS et OD non semper aequales sunt, quae confusionem creare possunt.
erw tubi apparatus pro magnitudine elige et referat
Exemplar |
Tubus OD |
Crassitudo |
Quadratus / Rectangulum |
Crassitudo |
Celeritas |
AIS 12 |
φ4~φ12 |
0.2~0.5 |
// |
// |
30~120 |
AIS 16 |
φ6~φ16 |
0.2~0.8 |
// |
// |
30~120 |
AIS-20 |
φ7~φ20 |
0.2~1.0 |
// |
// |
30~120 |
AIS-25 |
φ9~φ25.4 |
0.25~1.2 |
// |
// |
30~120 |
AIS-32 |
φ10~φ32 |
0.25~1.5 |
8*8~25.4*25.4 |
0.25~1.2 |
30~120 |
AIS-32z |
0.5~2.0 |
0.5~1.5 |
30~100 |
||
AIS-40 |
φ12.7~φ40 |
0.3~1.8 |
10*10~31.8*31.8 |
0.3~1.5 |
30~110 |
AIS-40z |
0.6~2.0 |
0.6~1.5 |
30~100 |
||
AIS-50q |
φ16~φ50.8 |
0.4~1.5 |
12.7*12.7~40*40 |
0.4~1.2 |
30~110 |
AIS-50 |
0.5~2.0 |
0.5~1.5 |
30~90 |
||
AIS-50z |
0.7~2.5 |
0.7~2.0 |
30~80 |
||
AIS-63q |
φ19.05~φ63.5 |
0.6~2.0 |
15*15~50*50 |
0.6~1.5 |
30~90 |
AIS-63 |
0.7~3.0 |
0.7~2.5 |
30~80 |
||
AIS-63z |
0.8~3.5 |
0.8~3.0 |
20~70 |
||
AIS-76q |
φ25.4~φ76.2 |
0.8~2.5 |
20*20~60*60 |
0.8~2.0 |
30~90 |
AIS-76 |
0.8~3.5 |
0.8~3.0 |
30~80 |
||
AIS-76z |
0.8~4.0 |
0.8~3.5 |
20~70 |
||
AIS-90q |
φ30~φ90 |
0.8~3.0 |
25*25~70*70 |
0.8~2.5 |
30~90 |
AIS-90 |
0.8~3.5 |
0.8~3.0 |
30~80 |
||
AIS-90z |
1.0~4.0 |
1.0~3.5 |
20~70 |
AIS-100q |
φ31.8~φ101.6 |
1.0~3.0 |
25*25~80*80 |
1.0~2.5 |
30~90 |
AIS-100 |
1.0~3.75 |
1.0~3.25 |
30~80 |
||
AIS-100z |
1.0~4.25 |
1.0~3.5 |
20~70 |
||
AIS-114q |
φ35~φ114.3 |
1.0~3.0 |
30*30~90*90 |
1.0~2.5 |
20~80 |
AIS-114 |
1.2~4.5 |
1.2~4.0 |
20~70 |
||
AIS-114z |
φ40~φ114.3 |
1.2~5.0 |
1.2~4.5 |
15~60 |
|
AIS-127q |
φ40~φ127 |
1.2~3.5 |
40*40~100*100 |
1.2~3.0 |
20~70 |
AIS-127 |
1.5~5.0 |
1.5~4.5 |
15~60 |
||
AIS-127z |
φ50~φ127 |
1.5~5.5 |
1.5~5.0 |
10~45 |
|
AIS-140q |
φ50~φ141.3 |
1.2~4.0 |
50*50~110*100 |
1.2~3.5 |
15~60 |
AIS-140 |
1.5~5.5 |
1.5~5.0 |
10~50 |
||
AIS-140z |
φ60~φ141.3 |
2.0~6.0 |
2.0~5.5 |
10~40 |
|
AIS-168q |
φ60~φ168.3 |
1.5~5.0 |
60*60~130*130 |
1.5~4.5 |
10~50 |
AIS-168 |
2.0~6.0 |
2.0~5.5 |
10~50 |
||
AIS-168z |
φ76.2~φ168.3 |
2.5~8.0 |
2.5~7.0 |
10~40 |
|
AIS-219q |
φ89.1~φ219.1 |
2.0~6.0 |
70*70~160*160 |
2.0~5.5 |
10~50 |
AIS-219 |
3.0~8.0 |
3.0~7.0 |
10~40 |
||
AIS-219z |
4.0~10.0 |
4.0~9.0 |
10~40 |
||
AIS-273 |
φ114.3~φ273 |
4.0~10.0 |
90*90~200*200 |
4.0~9.0 |
10~40 |
AIS-273z |
4.5~12.0 |
120*60~260*130 |
4.5~11.0 |
10~35 |
Singula grata electronicam mitto ut plura cognoscat.
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