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 couplings, the cam and groove end is the first size given in the part number. (i.e., a 4030-C-AL is a 4" coupler to a 3" hose shank).

Couplers are supplied standard with a Buna-N gasket, other gasket types are available.
Type D Reduced Cam & Groove Couplings (Female Coupler x Female NPT)
Unit of Measure
1 

Item #

Size

Material

List Price

1510-D-AL N/A 1-1/2 x 1 in N/A Aluminum QUOTE
1510-D-SS N/A 1-1/2 x 1 in N/A 316 Stainless Steel QUOTE
2015-D-AL N/A 2 x 1-1/2 in N/A Aluminum QUOTE
2015-D-SS N/A 2 x 1-1/2 in N/A 316 Stainless Steel QUOTE
3020-D-AL N/A 3 x 2 in N/A Aluminum QUOTE
3020-D-SS N/A 3 x 2 in N/A 316 Stainless Steel QUOTE
4030-D-AL N/A 4 x 3 in N/A Aluminum QUOTE
4030-D-BR N/A 4 x 3 in N/A Brass QUOTE
4030-D-SS N/A 4 x 3 in N/A 316 Stainless Steel QUOTE
5040-D-AL N/A 5 x 4 in N/A Aluminum QUOTE
6040-D-AL N/A 6 x 4 in N/A Aluminum QUOTE
Unit of Measure
1