included with the “3D Piping Symbols Library v1.1” |
 Ball check (PVC) Sizes 1/2″ through 6″ |
 Threaded & socketweld ends (Bronze) Class 125 Sizes 1/4″ through 3″ |
 Swing check (Iron) Class 125 Flanged ends Sizes 2 1/2″ through 24″ |
 Swing check (Steel) Class 150, 300 & 600 Buttweld & flanged ends Sizes 2 1/2″ through 24″ |
 Tilting disc check (Steel) Class 150, 300 & 600 Buttweld & flanged ends Sizes 2 1/2″ through 24″ |
 Wafer check (Steel & iron) Class 150, 400 & 600 (Steel) Class 125 & 250 (Iron) Sizes 2 1/2″ through 48″ |