... is maximized.Name of the product: wafer butterfly valveAppearance :Main technical data:Specification: Design standard: API 609, BS EN 593, MSS SP ... B 16.1, BS EN 1092, DIN 2501 PN 10/16, BS 10 Table E, JIS B2212/2213 5K, 10K, 16K.Test ... ,Seat: 1.1 times rated pressure. Working Temperature-10°C to 80°C (NBR)-10°C to 120°C (EPDM) Suitable Media ...