4" 125 lb. Cast Iron Black Blind Flange

Our cast iron black blind flange connect with low-pressure pipes. They seal the end of piping systems or pressure vessel openings to test the flow of a gas or liquid. Blind flanges typically have a raised, flat, or RTJ (ring-type joint) face. They may also called blank flanges.

• Class 125 Cement lined black flanged fittings
• Flanged fittings UL Listed through 12” Castings conform to ASTM A126, ASTM A48 and ASTM A536 Fittings
• Conform to ASME B16.1 and ANSI/AWWA C110/A21.10 Flanges conform to AWWA C110 / ASME B16.42 /ASME B1.20.1
• Flanged fittings 6” and smaller are made from
ductile iron and meet ASME B16.42 Class 150 Manufacturing facility is ISO 9001:2008