Valve Types Type 447 PTFE-full lining at the inlet and outlet area for highly corrosive medium DN 25 - DN 100 (1" - 4") Type 449 Block body valve with flushing protective gas, all special materials available DN 25 - DN 100 (1" - 4")
Technical data Critical Service Nominal Diameter at Inlet DN 25 - DN 100 | 1" - 4" Actual Orifice Diameter d₀ 23 mm - 92 mm | 0.91 in - 3.62 in Actual Orifice Area A₀ 415 mm² - 6.648 mm² | 0.645 in² - 10.304 in² Pressure 0.1 bar - 16 bar | 1.45 psig - 232 psig Temperature (in accordance with DIN EN) -85 °C to 200 °C | -121 °F to 392 °F Body Material 1.0460, 1.0619 | SA 105, SA 216 WCB Valve Connection Flange in accordance with DIN EN 1092-1 and ASME B 16.5 Bellows Material (optional) Stainless steel, PTFE, Hastelloy C276 Load Type Spring-loaded
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