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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

Download

Sealing

Material Application Temperature 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/P Abrasive powdered products -10°C +90°C
Flucast AB/E Oxygenated solvents ketones esters with abrasion -20°C +_95°C
Flucast AB/N Mineral oils/ vegetables oils/ greases/ abrasives -10°C +100°C
Silicone Air and hot water without steam -60°C +200°C
Food silicone Nourishing and milky products -60°C +200°C
Steam silicone steam -60°C +140°C
Viton Acids/ high temperature -15°C +210°C
Biodisel Viton Biodiesel -5°C +210°C
Viton GF Gasoline Oxygenate gasoline -5°C +210°C
Hypalon Water/ diluted bases -25°C +120°C
Epichlorohydrin Brine systems -40°C +125°C
Neoprene Sea water -25°C +80°C
Butyl Gas -10°C +95°C
Flucast extreme Water / steam / acids -5°C +200°C

Disc

Material Standard Application
Stainless steel 1.4308 Chemical products/ nourishing products
Stainless steel 1.4408 Demineralized water/ chemical products/ nourishing products
Stainless steel 1.4404 Chemical and nourishing products/ sea water/ demineralized water
Aluminium En-AC-44100 Cold water/ air
Bronze tin CuSn10-C Sea water
Bronze-aluminium CuAl10Fe5Ni5-C Sea water
Cast steel GP240GH Water/ gas
Nodular cast iron EN-GJS-400-15    5.3106 Hot water / air/ gas
Nodular cast iron + EPDM EN-GJS-400-15 + EPDM    5.3106 Powdery products/ pneumatic transport/ sea water
Duplex 1.4517 Chemical products
Superduplex 1.4469 Sea water/ corrosive atmospheres