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 Up to 600 and in standardized installation lengths API 609 category A (DIN 3202 K1).
Key features
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
Technical features
Parameters
Value
Media temperature
-10 to 230 °C
Ambient temperature
-10 to 70 °C
Operating pressure
0 to 40 bar
Nominal sizes
DN 50 to 600
Housing 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
FMEDA
TA Luft (German Clean Air Act)
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