nps 파이프 크기와 erw 튜브 머신 크기를 선택하는 방법
12월 . 17, 2024 10:34
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. "Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside diameter). Specific pipe is identified by pipe diameter and another non-dimensional number for wall thickness referred to as the Schedule (Sched. or Sch., for example – "2-inch diameter pipe, Schedule 40"). NPS is often incorrectly called National Pipe Size, due to confusion with the American standard for pipe threads, "national pipe straight", which also abbreviates as "NPS". The European and international designation equivalent to NPS is DN (diamètre nominal/nominal diameter/Nennweite), in which sizes are measured in millimetres, see ISO 6708. The term NB (nominal bore) is also frequently used interchangeably with DN.
애플리케이션
NPS 및 파이프 일정[5]에 따라 파이프 외경(OD) 및 벽 두께는 ASME 표준 B36.10M 및 B36.19M을 기반으로 하는 아래와 같은 참조 표에서 얻을 수 있습니다. 예를 들어, NPS 14 Sch 40의 OD는 14인치(360mm)이고 벽 두께는 0.437인치(11.1mm)입니다. 그러나 NPS 및 OD 값은 항상 같지 않아 혼란스러울 수 있습니다.
선택 및 참조를 위한 erw 튜브 머신 크기
|
모델 |
튜브 외경 |
두께 |
정사각형/직사각형 |
두께 |
속도 |
|
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 |
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