R471 80W224A6TL3 BU08AC0

Butterfly valve, pneumatic DA

Item number: 88760658
Description
Type R471 Butterfly valve, double-eccentric, pneumatically operated, long service life, low friction thanks to direct separation of seat and disc, continuous and blow-out proof shaft, with antistatic unit and low-maintenance spindle seal, can be readjusted
DN 80 DN 80
Body configuration W Intermediate flange version (Wafer), length FTF API609 table B, EN 558 series 108, EN 558 series 109
Operating pressure 2 10 bar
Connection type 2 PN 10 / Flange EN 1092, FTF EN 558 series 20
Body material 4 1.4408 (SS316), ASTM A351 CF8M
Disc material A 1.4408 / ASTM A351 / CF8M
Shaft material 6 1.4542, ASTM 564 630
Liner material T TFM 1600 (FDA certification)
Liner fixing L Liner loose
Control function 3 Double acting (DA)
Actuator version BU08AC Actuator, pneumatic, double acting, clockwise rotation, ADA0080U F05/07S17S14
Actuator particulars 0 General industrial version (ASR/ASL/ADA/GSR/GSL/GDR), Version A (SC/SO/DR/DL), body aluminum, anodized coating 25-35μm, end caps aluminum, powder-coated, shaft C-steel + ENP, screws A2
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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