Butterfly Valve To Be Inserted between flanges with “Wafer” type

Butterfly Valve To Be Inserted between flanges with “Wafer” type STANDARD EXECUTIONS Standard flanges: PN 10 - PN 16 - ANSI 150 from DN 40 to DN 300. PN 10 from DN 350 to DN 600. General requirements in accordance with UNI EN593 Face to face as per EN 558 serie 20 Valve head as per ISO 5211 ( DN40-DN300 ) Tightness as per EN 12266-1 rate A Other tests on request. Operating Temperature of the Media: EPDM from -40°C to +135°C; NBR from -23°C to +82°C; FKM from -10°C to +190°C *