Loading...
Shopping Cart
ISORIA 20/25 Butterfly valve

Butterfly valve ISORIA 20/25

Centred-disc butterfly valve with ISO 5211 compliant square shaft end, sealed by elastomer liner, with lever or manual gearbox, pneumatic, electric or hydraulic actuator. Semi-lug body (T2), full-lug body (T4) or U-section body with flat faces (T5). Body types T2, T4 and T5 are suitable for downstream dismantling and dead-end service with counterflange. Connections to EN, ASME, JIS.
Spare Parts
See all documents and downloads

Main Applications

  • Cooling circuits
  • Seawater desalination/reverse osmosis
  • Flue gas desulphurisation
  • Paper industry / pulp industry

Technical Data

Nominal pressure
PN 20, PN 25
Max. nominal size
DN 1000
Maximum allowable fluid temperature
200 °C

Benefits

  • The spherical contact between valve disc and liner ensures durable and permanently tight shut-off.
  • Splined or keyed connection between shaft and valve disc: dry shaft, no contact with fluid handled
  • Sealing to atmosphere is ensured even when the actuator has been removed.