Description
The PT Coupling A-Adapter Reducer is a adapter x female NPT thread cam and groove fitting that connects a cam and groove coupler to a different size of threaded pipe. Reducers let you join hose, pipe and equipment of different sizes in one fitting.
Key Features
- Made in the U.S.A. by PT Coupling
- Built to interchange with A-A-59326 cam and groove fittings in 3/4″ through 4″ and 6″; 1/2″, 5″ and 8″-12″ may not interchange across brands
- Stainless steel fittings are 316 stainless steel
Specifications
- Connection: adapter x female NPT thread
- Sizes by material (ptcoupling.com): Aluminum 3/4″ x 1/2″ to 5″ x 3″ (23 sizes); 316 stainless steel 3/4″ x 1/2″ to 4″ x 5″ (14 sizes); hard coat aluminum 3/4″ x 1″ to 4″ x 3″ (8 sizes); brass 1-1/2″ x 2″ to 4″ x 3″ (7 sizes); ductile iron 3/4″ x 1/2″ to 4″ x 5″, including heavy-duty 1-1/2″ x 1-1/4″ and 2″ x 1-1/2″; carbon steel 3/4″ x 1/2″; passivated CF8M stainless 2-1/2″ x 2″
- Max. working pressure (PT Coupling, metal cam & groove, under 100°F): 250 PSI for 1/2″–2″, 200 PSI for 2-1/2″–3″, 150 PSI for 4″, 75 PSI for 5″–6″, 50 PSI for 8″–12″. Ratings are reduced at higher temperatures. Contact Hockman-Lewis to confirm the rating for your size and operating temperature.
- Lead time: Many sizes are made to order. Contact Hockman-Lewis to confirm availability and lead time
PT Coupling does not recommend cam and groove fittings for compressed gas service, including air and steam.
Select only from the material and size combinations listed. Contact Hockman-Lewis for dimensions, current availability and the PT Coupling item number for your combination.




