Specifications 3000# Forged 316 stainless steel material conforms to ASME A182 Forged stainless steel fitting dimensions conform to ASME B16.11 NPT threads conform to ASME B1.20.1 Socket weld fittings conform to ASME B16.11 Forged stainless union conform to MSS SP-83 Forged stainless outlets conform to MSS SP-97 Forged stainless socket weld inserts conform to MSS SP-79 Manufacturing facility is ISO 9001:2008 DownloadsTechnical Information (PDF Download)