Two or three piece bolted body, with flan-ged ends to ASME B16.5, welded ends to ASME B16.25 or clamp type, and face to face to ASME B16.10. Full or reduced bore. Design and construction in accordance with ASME B16.34, API 6D and ISO 17292. Fire Safe certified to BS 6755 Part 2 and API 6FA. Antistatic device and antiblow-out stem. Materials :Carbon steel, stainless steel, duplex, super-duplex, special alloys, titanium.