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Butterfly valve zBUT Fig. 494

Przepustnica 494

Material: Nodular cast iron

Nominal pressure: 16 bar

Nominal diameter: 50-200 mm

Temperature range: 0...+110°C

Working position: Any

Application

Industrial water

Industrial water

Steering

Bare shaft

Bare shaft

Manual operation

Manual operation

Electric actuator

Electric actuator

Electric actuator

Hydraulic / pneumatic actuator

Electric actuator

Auger gear

Features

  • high tightness
  • seat materials EPDM/NBR
  • central disc bearing
  • environment-friendly
  • easy to install

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Sealing

MaterialApplicationTemperature range

 

EPDM ( Ethylene propylene)Water/ sea water/ weak acids and basis-40°C+110°C
EPDM HT (EDM high temp.)Heating without steam water+80°C+130°C
NBR (nitrile)Mineral oils/ vegetables oils/ greases-40°C+90°C
Flucast AB/PAbrasive powdered products-10°C+90°C
Flucast AB/EOxygenated solvents ketones esters with abrasion-20°C+_95°C
Flucast AB/NMineral oils/ vegetables oils/ greases/ abrasives-10°C+100°C
SiliconeAir and hot water without steam-60°C+200°C
Food siliconeNourishing and milky products-60°C+200°C
Steam siliconesteam-60°C+140°C
VitonAcids/ high temperature-15°C+210°C
Biodisel VitonBiodiesel-5°C+210°C
Viton GF GasolineOxygenate gasoline-5°C+210°C
HypalonWater/ diluted bases-25°C+120°C
EpichlorohydrinBrine systems-40°C+125°C
NeopreneSea water-25°C+80°C
ButylGas-10°C+95°C
Flucast extremeWater / steam / acids-5°C+200°C

Disc

MaterialStandardApplication
Stainless steel1.4308Chemical products/ nourishing products
Stainless steel1.4408Demineralized water/ chemical products/ nourishing products
Stainless steel1.4404Chemical and nourishing products/ sea water/ demineralized water
AluminiumEn-AC-44100Cold water/ air
Bronze tinCuSn10-CSea water
Bronze-aluminiumCuAl10Fe5Ni5-CSea water
Cast steelGP240GHWater/ gas
Nodular cast ironEN-GJS-400-15    5.3106Hot water / air/ gas
Nodular cast iron + EPDMEN-GJS-400-15 + EPDM    5.3106Powdery products/ pneumatic transport/ sea water
Duplex1.4517Chemical products
Superduplex1.4469Sea water/ corrosive atmospheres