Aluminum Cam & Groove Adapter, Male Half, Inch Female NPT

For 3 inch size, the pressure rating is 150 PSI. Aluminum cam and groove adapters in the half inch through 4 inch range all carry that same 150 PSI rating. The body is cast aluminum, cam levers are brass, and the seal is Buna-N, so liquid service is what this product is built around. Just keep in mind these couplings are not rated for compressed air or steam under any circumstances.

This adapter is a 3-inch male cam lock that connects to a female NPT fitting. The product name specifies it as a 3-inch size.