Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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In reducing cam and groove couplings, the coupler is the first size in the part number (i.e., a 4030-DA-AL is a 4" coupler to a 3" adapter).

Couplers are supplied standard with a Buna-N gasket, other gasket types are available.
Dixon Reducing coupler x adapter AL
Unit of Measure
1 2 3 

Item #

Size

Material

1015-DA-SS N/A 1 x 1-1/2 in N/A 316 Stainless Steel
1015-DA-AL N/A 1 x 1-1/2 in N/A Aluminum
1510-DA-AL N/A 1-1/2 x 1 in N/A Aluminum
1510-DA-SS N/A 1-1/2 x 1 in N/A 316 Stainless Steel
1520-DA-AL N/A 1-1/2 x 2 in N/A Aluminum
1520-DA-SS N/A 1-1/2 x 2 in N/A 316 Stainless Steel
2010-DA-SS N/A 2 x 1 in N/A 316 Stainless Steel
2010-DA-AL N/A 2 x 1 in N/A Aluminum
2015-DA-AL N/A 2 x 1-1/2 in N/A Aluminum
2015-DA-SS N/A 2 x 1-1/2 in N/A 316 Stainless Steel
2025-DA-AL N/A 2 x 2-1/2 in N/A Aluminum
2025-DA-SS N/A 2 x 2-1/2 in N/A 316 Stainless Steel
2030-DA-AL N/A 2 x 3 in N/A Aluminum
2030-DA-SS N/A 2 x 3 in N/A 316 Stainless Steel
2040-DA-SS N/A 2 x 4 in N/A 316 Stainless Steel
2040-DA-AL N/A 2 x 4 in N/A Aluminum
2520-DA-SS N/A 2-1/2 x 2 in N/A 316 Stainless Steel
2530-DA-SS N/A 2-1/2 x 3 in N/A 316 Stainless Steel
3015-DA-AL N/A 3 x 1-1/2 in N/A Aluminum
3015-DA-SS N/A 3 x 1-1/2 in N/A 316 Stainless Steel
3020-DA-BR N/A 3 x 2 in N/A Brass
3020-DA-MI N/A 3 x 2 in N/A Iron
3020-DA-SS N/A 3 x 2 in N/A 316 Stainless Steel
3020-DA-AL N/A 3 x 2 in N/A Aluminum
3025-DA-AL N/A 3 x 2-1/2 in N/A Aluminum
Unit of Measure
1 2 3