... 2. Flange: DIN2501, BS4504, BS10 TABLE E, ANSI B16.1, JIS 10K WAFER & LUG BUTTERFLY VALVES, PN16/CL125/1501. Size: DN50 ... per DIN2501, BS4504, BS10 TABLE E, ANSI B16.1, and JIS 10K3. Medium: fresh water, sewage, sea water, air, vapor, food ... , medicine, oils, acids, alkalis, salts, etc. Lugged Type Butterfly Valves, PN16/CL125/150