he PT Coupling Coupler is a durable and efficient component for fluid transfer applications. It features a 4-inch Type D connection on one end and a 4-inch FNPT (Female National Pipe Thread) connection on the other. Constructed from lightweight and durable aluminum
The PT Coupling 1000440SL is an Aluminum Coupler built to connect a 4 inch Type D cam-and-groove end to a female NPT (FNPT) thread of 4 inch. The cam arms on the Type D end allow a hose or pipe to be connected and disconnected quickly without tools, a standard feature of cam-and-groove style fittings used across tank trailer, construction, and industrial fluid transfer applications.