Detailed Product Description Features: Design and manufacture standard: ANSI B16.34, API6D, API 599 and API 6A Face to face: ANSI B16.10, and API 6A End flange: ANSI B16.5, ANSI B16.25, and API 6A Material: carbon steel and stainless steel Inspection standard: API 598 Body material: WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, Monel and CN7M Customers' requirements welcomed