Features: .Designed and Manufactured to API 6D, API599 .Face to Face Dimension: ANSI B16.10, DIN 3202, GB .Flanged Dimension: ANSI / ASME B16.5, EN 1092 .Inspect and Test: API 598 .Size Ranges: NPS 1/2”~42” .Pressure Rating: PN10/16, ANSI125/150/300/600/900/1500 .Materials available in Iron, Steel, Stainless Steel and Duplex, Seat Material in Both Resilient and Metal Type, Different trim materials available to suit different service conditions .Fire-safe design to API 608/API 6FD .To MSS SP 01-75 On request .Operations: Lever, Worm-gear, Electric, Pneumatic and Hydra-pneumatic