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.
Unit of Measure

Specifications

Size

N/A 2 x 1-1/2 in

Material

N/A 316 Stainless Steel

Type

N/A Coupler x Adapter