R470400W4D4A6TLF1416 D36

Butterfly valve, bare shaft

Item number: 88695169
Description
Type R470 Butterfly valve, double-eccentric, bare shaft, 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 400 DN 400
Body configuration W Intermediate flange version (Wafer), length FTF API609 table B, EN 558 series 108, EN 558 series 109
Operating pressure 4 20 bar
Connection type D ANSI B16.5, Class 150, face-to-face dimension FTF EN 558 series 108
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
Actuator flange F14 F14, flange type DIN EN ISO 5211, F16, flange type DIN EN ISO 5211
Shaft connection and size D36 Square, diagonal, WAF 36 mm
Shaft length 38 38 mm

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).

  • 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