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ASTM International, 10/01/2013
Publisher: ASTM
File Format: PDF
$33.00$67.00
Published:01/10/2013
Pages:19
File Size:1 file , 930 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 This practice covers the identification of design configurations and descriptive nomenclature for sheetmetal HVAC ductwork shapes frequently used in shipbuilding. This practice also covers parametric dimensions of these shapes. (See Table 1.)
1. Straight:
1.1 Straight-round
1.2 Straight-flat oval
1.3 Straight-rectangular
2. Offset:
2.1 Offset-round
2.2.1 Offset-flat oval-long axis
2.2.2 Offset-flat oval-short axis
2.3.1 Offset-rectangular-without splitters
2.3.2 Offset-rectangular-with splitters
2.4.1 Offset-ogee-without splitters
2.4.2 Offset-ogee-with splitters
2.5.1 Offset-rectangular reducing-without
splitters
2.5.2 Offset-rectangular reducing-with splitters
3. Elbow:
3.1 Elbow-round
3.2.1 Elbow-flat oval-long axis
3.2.2 Elbow-flat oval-short axis
3.3.1 Elbow-rectangular-without splitters
3.3.2 Elbow-rectangular-with splitters
3.4.1 Elbow-rectangular reducing-without
3.4.2 Elbow-rectangular reducing-with splitters
3.5.1 Elbow-rectangular transition-without
3.5.2 Elbow-rectangular transition-with splitters
4. Vaned Turn:
4.1 Vaned turn
5. Reducer:
5.1 Reducer-round
5.2 Reducer-flat oval
5.3 Reducer-rectangular
6. Transition and Bellmouth:
6.1 Transition-flat oval to round
6.2 Transition-rectangular to round
6.3 Transition-rectangular to flat oval
6.4 Transition-rectangular to radius corner
6.5 Transition-radius corner to flat oval
6.6.1 Bellmouth-round
6.6.2 Bellmouth-rectangular
7. Branch:
7.1.1 Branch-round-on equal diameter round
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