The 16W Butt-Weld Dome Cap is made of 316L stainless and is polished to 32Ra ID/OD with a mirror finish. The dome cap is designed to securely seal a tube, such as at the end of a standpipe, railing, or pulsation dampener. This fitting is 3A certified for use in sanitary environments. Tube O.D.A
1/2"
0.25
3/4"
0.31
1"
0.37