The DD and the DDXH Series come standard with a Galvanized Carbon Steel housing and a bronze strainer. 

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Item #

Pipe Size: A

Dim: B

Dim: C

Dim: D

Open Area Ratio

Weight

1.5-DD N/A 1.5 in N/A 3.25 in N/A 4.5 in N/A 3.88 in N/A 2.5:1 N/A 4 lb
2-DD N/A 2 in N/A 3.25 in N/A 4.5 in N/A 3.88 in N/A 1.4:1 N/A 4 lb
2.5-DD N/A 2.5 in N/A 3.75 in N/A 5.5 in N/A 4.88 in N/A 1.6:1 N/A 6 lb
3-DD N/A 3 in N/A 3.75 in N/A 5.5 in N/A 4.88 in N/A 1.1:1 N/A 5 lb
4-DD N/A 4 in N/A 3.75 in N/A 6.5 in N/A 5.88 in N/A 1.1:1 N/A 8 lb
6-DD N/A 6 in N/A 5 in N/A 11.75 in N/A 10.88 in N/A 1.3:1 N/A 25 lb
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