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Butterfly valve zBUT Fig. 498

Przepustnica 498

Material: Grey cast iron, nodular cast iron

Nominal pressure: 10, 16 bar

Nominal diameter: 25-600 mm

Temperature range: -60…+210°C

Working position: Any

Application

Industry

Industry

Shipbuilding industry

Shipbuilding industry

Chemical industry

Chemical industry

Food industry

Food industry

Drinking water

Drinking water

petrochemistry

Petrochemical industry

Sewage

Sewage

Heating

Heating

Glycol

Glycol

Industrial water

Industrial water

Steam

Steam

Compressed air

Compressed air

Neutral fluids

Neutral fluids

Power engineering

Power engineering

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 material EPDM
  • central disc bearing
  • environment-friendly

Sealing

APPLICATIONMATERIAL
TEMPERATURE RANGE:
DESIGNATION

ISO 1629

water, sea water, weak acids and basisEthylene Propylene– 40°C+ 110 °CEPDM
Heating without Steam WaterEthylene Propylene high temperature+ 80 °C+ 130 °CEPDM
Nourishing productsNitrile Hydroganated– 10 °C+ 90 °CNBR
Abrasive powdered productsFlucast AB / P– 10 °C+ 90 °C
Oxygenated solvents Ketones Esters with abrasionFlucast AB / E– 20 °C+ 95 °C
Mineral or vegetable Oils
and greases Abrasives
Flucast AB / N– 10 °C+ 100 °C
Air and Hot water without steam. High and low temperaturesSilicone– 60 °C+ 200 °CMVQ
Nourshing and milky productsFood Silicone– 60 °C+ 200 °CMVQ
Low pressure steam waterSteam Silicone– 60 °C+ 140 °CMVQ
Acids/High temperatureViton– 15 °C+ 210 °CFPM
Biodiesel/ Acids, Steam waterViton-Biodiesel– 5 °C+ 210 °CFPM
Oxygened GasolineViton GF Gasolines– 5 °C+ 210 °CFPM
Water/ Diluted bases. Diluted non oxidation acidsHypalon– 25 °C+ 120 °CCSM
Brine systems, low temperature and resistance to gas, oil and fuelEpichlorohydrin– 40 °C+ 125 °CECO
Sea waterNeoprene– 25 °C+ 80 °CCR
Low Permeability to inert gases: Nitrogen, Air, OxygenButyl– 10 °C+ 95 °CIIR

Disc

APPLICATIONMATERIALSTANDARDFEATURES
BASIC
CODE
Chemical and Nurshing productsStainless steelASTM A 351/A351M CF 8
(equivalent AISI 304)
Very good
chemical and
corrosion resistance
1
Demineralized water. Chemical products.
Nurshing products
Stainless steelASTM A 351/A351M CF 8M
(equivalent AISI 316)
Very good
chemical and
corrosion resistance
5
Chemical and Nourshing products. Sea water and
demineralized water
Stainless steelASTM A 351/A351M CF 3M
(equivalent AISI 316L)
High good
chemical and
corrosion resistance
9
Cold water/ AirAluminiumEN – AC – 44100Moderate corrosion
resistance
2
Sea waterBronze Tin1705 (Rg 10) dla DN < 350Good chemical
and corrosion resistance
4
Sea waterBronze-Aluminium1982 for DN < 350Good chemical
and corrosion resistancet
4
Water and gasCast steelGP 240 GHGood mechanical
resistance
6
Hot water(max 90°C), Air and GasNodular cast ironEN – GJS 400-15Good machanical
stength sililar
to cast steel
3
Powdery products. Pneumatic transport. Sew waterNodular cast iron
+EPDM
EN – GJS 400-15 + EPDMVery good
abrasion resistance
7
Chemical productsDuplexASTM A 351/A351M CD4MCu
NORIDUR
Very good abresive
and corossion
resistance
8
Sea water and corrosive atmospheresSuper DuplexURANUS B6
(equivalent 904L)
Very good
chemical and corrosion
resistance
10