The PT Coupling 1400230 is a coupler with a 3 inch Type B female and 3 inch male NPT connections. Constructed from 316 stainless steel with HBS 300 Series stainless steel cam arms, this coupler provides excellent corrosion resistance for use with salt water, waste water, and many chemicals. The quick connect and disconnect design utilizes camming action for secure connections without hand tools. This coupler has a maximum operating pressure of 200 psi.