Product information "Nr. 331 - Union with flat seal"
The Nr. 331 - Union with flat seal is a standard Stainless Steel 316 fittings with a thread in female and male BSP. It is produced according to the UNI EN ISO 226 and UNI EN ISO 228 standards replacing ISO 7/1 and DIN 2999. The fitting is available in a wide range of sizes.