Malleable Cast Iron Maleable Cast Iron Union Fitting with Black Core

The malleable cast iron black core conical seat union fitting is an essential component for the creation of removable joints in fluid networks. Made of EN-GJMB-350-10 and EN 10242/ISO 49 certified, it is perfect for water, gas, steam and HVAC systems, offering a quick maintenance solution thanks to its loose nut. It has a tapered male thread (R) and a cylindrical female thread (Rp), with a BSPP nut. The central seal is ensured by an ultra-reliable metal-to-metal conical seat. The corrosion-resistant black finish (70μm) guarantees excellent longevity. Each fitting is subjected to a 100% unit leak test. It is also a popular choice for industrial furniture, bringing both advanced technical functionality and a statement vintage aesthetic.