Bare stem PTFE seat wafer butterfly valve Specification:Size: 2”-24” / 50mm – 600 mmDesign standard: API 609, BS EN 593, MSS SP-67.Face-to-Face dimension: API 609, ISO 5752, BS EN 558, BS 5155, MS SP-67.Flange Drilling: ANSI B 16.1, BS EN 1092, DIN 2501 PN 10/16, BS 10 Table E, JIS B2212/2213 5K, 10K, 16K.Test: API 598.Pressure & Temperature ratings:Working PressurePN10 / PN16Testing ...