Description
The PT Coupling Corrosion Resistant W-Dust Plug is a Type W (adapter dust plug) cam and groove fitting that seals an open coupler when the line is disconnected, keeping contaminants out and product in. PT Coupling designs its corrosion resistant cam and groove fittings for acid applications in highly corrosive media, including hydrochloric and sulfuric acid.
Key Features
- Made in the U.S.A. by PT Coupling
- Available in Hastelloy C®
- 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
Specifications
- Connection: Type W (adapter dust plug)
- Sizes by material (ptcoupling.com): Hastelloy C® 1″, 1-1/2″, 2″, 3″
- Temperature: Hastelloy C® holds full working pressure up to 500°F per PT Coupling; the gasket is usually the limiting factor
- 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.
Not every size is kept in stock. Contact Hockman-Lewis with the chemical being handled, the size and the connection you need, and we’ll confirm the right material and PT Coupling item number.




