The GEMÜ R478 Tugela double eccentric metal butterfly valve is operated by a motorized actuator. The butterfly valve is available in nominal sizes DN 50 to 300 and in standardized installation lengths API 609 category A (DIN 3202 K1).
- High-performance butterfly valve with double eccentric construction in order to separate the disc directly from the seat (gasket), thereby reducing friction and extending the service life
- Continuous shaft with temperature resistant graphite bearing and PTFE gland packing for readjustment in operation for minimized leakage, even at low pressures
- Antistatic fixture for ATEX area
- Various actuator types can be selected
- Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
- Media temperature :-60 to 230 °C
- Ambient temperature:-20 to 70 °C
- Operating pressure :0 to 40 bar
- Nominal sizes:DN 50 to 300
- Body configurations:Wafer
- Connection standards:ASME | ISO
- Body materials:1.0619 (WCB), cast steel material with CDP coating | 1.4408 (CF8M), investment casting material
- Liner materials:PTFE TFM™
- Disc materials:1.4408
- Supply voltage:120 V AC, 50 Hz | 120 V AC, 60 Hz | 230 V AC, 50 Hz | 230 V AC, 60 Hz | 24 V DC | 380 V AC, 50 Hz | 400 V AC, 50 Hz | 440 V AC, 60 Hz | 460 V AC, 60 Hz | 480 V AC, 60 Hz
- Operating time 90°:13 to 35 s
- Protection class:IP68
- Conformities:ATEX | EAC | FDA | TA Luft (German Clean Air Act)