The GEMÜ R470 Tugela double-eccentric metal butterfly valve has a bare shaft with a top flange in accordance with EN ISO 5211. The butterfly valve is available in nominal sizes DN 50 to 600 and in standardized installation lengths API 609 category A (DIN 3202 K1).
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- 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
- 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 600
- 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
- Disc materials:1.4408
- Conformities:ATEX | EAC | FDA | Functional safety | TA Luft (German Clean Air Act)