BUTTERFLY VALVE; NOMINAL SIZE: 450 MM; PRESSURE: CLASS 150; FLUIDS: INDUSTRIAL WATER; MOUNTING TYPE: RF FLANGE ACCORDING ANSI B16.5; DISC MATERIAL: STAINLESS STEEL; BODY MATERIAL: CAST IRON; DRIVE TYPE: PNEUMATIC ATTUATORE; HEADQUARTERS L MATERIAL: EPDM; EBRO ARMATUREN BUTTERFLY VALVE; MODEL Z011-A; DIAMETER DN450 (18′); BODY: IN IRON DIN GG 25; DISC: STAINLESS STEEL AISI 316; STEM: STAINLESS STEEL AISI 410; HEADQUARTERS: EPDM; EB-DW DOUBLE-ACTING EB-DW DOUBLE-ACTING PNEUMATIC ACTUATOR WITH SOLENOID VALVE 24 VDC, SINGLE STABLE, NAMUR CONNECTION 1/4 BSP, 5/2 WAY; SEALING CLASS: ANSI B16-104 CLASS VI (100% EST ANKE); DRILLING FOR ASSEMBLY BETWEEN ANSI 150# FLANGES. OPERATING PRESSURE UP TO 10 BAR.; BRAND 1: EBRO ARMATUREN; REFERENCE 1: TI PO Z 011-A DN 450MM