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).

Pressure rating is based on the seal of the mating part.
Unit of Measure
Items
Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)

Type A Reduced Cam & Groove Couplings (Male Adapter x Female NPT)
Size N/A 2 x 1-1/2 in N/A 2 x 1-1/2 in N/A 2 x 3 in N/A 2 x 3 in N/A 3 x 2 in
Material N/A Aluminum N/A 316 Stainless Steel N/A Aluminum N/A 316 Stainless Steel N/A Aluminum
Opt Qty N/A N/A N/A 10 N/A 10 N/A 5
Type N/A Male Adapter x Female NPT
Notes N/A N/A Parts are produced as a welded fabrication. N/A N/A N/A