16
OTHER SLEEVE MATERIAL OPTIONS
RUBBER QUALITY APPLICATION EXAMPLES
TEMPERATURE
RANGE
TYPICAL MEDIA
NB
Nitrile Rubber
Applications involving oils, fats
and hydrocarbons
-30°C -
+100°C
Oils, Fats, Fuels
Hydrocarbon, Lubricants
N
Natural Rubber
High wear applications
-40°C - +75°C
Abrasive materials
Diluted acids, alkali and
chemicals
HNB
Hydrogenated Nitrile
High temperature
Applications
-30°C -
+160°C
Oils, Fats, Fuels
Hydrocarbon, Lubricants
NRF
Natural Rubber
Foodstuff Quality
White inner lining
Foodstuff applications
Fulfils FDA (Food and Drug
Administration) requirements
-40°C - +75°C
Media used in food and other
CIP (clean-in-place) processes
Alcohols
NBRF
Nitrile Rubber
White inner lining
Applications involving
fatty foodstuff
Fulfils FDA (Food and Drug
Administration) requirements
-30°C - +100°C
Vegetable and animal
oils and fats
EPDM/B
Ethylene Propylene,
Flowrox Blend
Pulp and paper industry’s
green liquor applications
-40°C - +100°C
Green liquor
Alkaline and extraneous
matter
in green liquor processes
C
Chloroprene Rubber
Special-purpose
chemical
applications
• Resilient to ozone
and averse weather
-40°C - +100°C
Chemicals, Acids
Several solvents
Aliphatic oils
Fats, Lubricants
FP
Fluorine Rubber
(Viton®)
Special-purpose
chemical applications
• Resilient to ozone and
averse weather
-20°C +120°C
Chemicals
Aliphatic oils
Aromatic and halogenated
hydrocarbon
CS
Chloro-sulphone-
ethylene
(Hypalon®)
Special-purpose
chemical applications
• Resilient to ozone
and averse weather
-40°C - +100°C
Chemicals, Acids
Several solvents
Aliphatic oils
Fats, Lubricants
II
Butyl
Special-purpose
chemical applications
• Impermeable to gas
-40°C - +100°C
Concentrated and
acidic chemicals
Vegetable oils
PU
Polyurethane
• With PU lining
or solid PU
Abrasive media
applications
-10°C - +80°C
Abrasive materials
Diluted chemicals
Hydrocarbons
Oils, Lubricants
For more information on sleeve materials for Flowrox valves, contact your nearest Flowrox
representative.
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