300DAT38SS by Dixon Valve | Cam & Groove Coupling with Port | Type DA | 3" Coupler x 3" Adapter | 3/8" Port Size | 316 Stainless SteelConstruction: Port is located on the lug. Nitrile rubber gasket standard. Safety Notes: Under no circumstances should cam and groove couplings be used for compressed air or steam service! Pressure rating recommendations are based on the use of mating Dixon fittings at ambient temperature 70F (21C) with a standard seal installed. For use at elevated temperature or other unusual operating conditions, consult Dixon. How It Works: To make a connection,