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Butterfly valve zBUT Fig. 497

Material: Grey cast iron, nodular cast iron

Nominal pressure: 10, 16 bar

Nominal diameter: 25-1200 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 materials EPDM/NBR
  • central disc bearing
  • environment-friendly

Download

Declaration of conformity:

Approval:

    Hygienic certificate nr BK/W/0665/02/2018

Sealing

APPLICATION MATERIAL
TEMPERATURE RANGE:
DESIGNATION

ISO 1629

water, sea water, weak acids and basis Ethylene Propylene – 40°C + 110 °C EPDM
Heating without Steam Water Ethylene Propylene high temperature + 80 °C + 130 °C EPDM
Nourishing products Nitrile Hydroganated – 10 °C + 90 °C NBR
Abrasive powdered products Flucast AB / P – 10 °C + 90 °C
Oxygenated solvents Ketones Esters with abrasion Flucast 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 temperatures Silicone – 60 °C + 200 °C MVQ
Nourshing and milky products Food Silicone – 60 °C + 200 °C MVQ
Low pressure steam water Steam Silicone – 60 °C + 140 °C MVQ
Acids/High temperature Viton – 15 °C + 210 °C FPM
Biodiesel/ Acids, Steam water Viton-Biodiesel – 5 °C + 210 °C FPM
Oxygened Gasoline Viton GF Gasolines – 5 °C + 210 °C FPM
Water/ Diluted bases. Diluted non oxidation acids Hypalon – 25 °C + 120 °C CSM
Brine systems, low temperature and resistance to gas, oil and fuel Epichlorohydrin – 40 °C + 125 °C ECO
Sea water Neoprene – 25 °C + 80 °C CR
Low Permeability to inert gases: Nitrogen, Air, Oxygen Butyl – 10 °C + 95 °C IIR

Disc

APPLICATION MATERIAL STANDARD FEATURES
BASIC
CODE
Chemical and Nurshing products Stainless steel ASTM A 351/A351M CF 8
(equivalent AISI 304)
Very good
chemical and
corrosion resistance
1
Demineralized water. Chemical products.
Nurshing products
Stainless steel ASTM 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 steel ASTM A 351/A351M CF 3M
(equivalent AISI 316L)
High good
chemical and
corrosion resistance
9
Cold water/ Air Aluminium EN – AC – 44100 Moderate corrosion
resistance
2
Sea water Bronze Tin 1705 (Rg 10) dla DN < 350 Good chemical
and corrosion resistance
4
Sea water Bronze-Aluminium 1982 for DN < 350 Good chemical
and corrosion resistancet
4
Water and gas. Powdery products. Cast steel GP 240 GH Good mechanical
resistance
6
Hot water(max 90°C), Air and Gas Nodular cast iron EN – GJS 400-15 Good machanical
stength sililar
to cast steel
3
Powdery products. Pneumatic transport. Sew water Nodular cast iron
+EPDM
EN – GJS 400-15 + EPDM Very good
abrasion resistance
7
Chemical products Duplex ASTM A 351/A351M CD4MCu
NORIDUR
Very good abresive
and corossion
resistance
8
Sea water and corrosive atmospheres Super Duplex URANUS B6
(equivalent 904L)
Very good
chemical and corrosion
resistance
10