The GEMÜ R470 double eccentric metal Tugela 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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- 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
- Liner materials: PTFE TFM™
- Disc materials: 1.4408
- Conformities: ATEX | EAC | FDA
- 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