GEMÜ R471 Tugela

Pneumatically operated butterfly valve

  • Description
  • Features
  • Technical specifications

The GEMÜ R471 Tugela double eccentric metal butterfly valve is operated by a pneumatic actuator. The butterfly valve is available in nominal sizes DN 50 to 400 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 400
  • 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
  • Conformities:ATEX | EAC | FDA | TA Luft (German Clean Air Act)