Scambiatore corroso a causa riser

[Butler]

(13-06-2021 22:26)sergiot Ha scritto:  Come faccio a capire quale è il materiale adatto?

Dipende dall'uso che devi farne, nel sito trovi ad esempio che se li prendi in nitrile

Temperature Range
Up to 90°C (Intermittent)
Down to -30°C
Recommended temperature range -20°C to +90°C

Chemical resistance
Many hydrocarbons
Fats
Oils & Gasoline
Petroleum based hydraulic fluid (HFD-R)

Not compatible with:
Ozone
Esters
Retones
Aldehydes
Chlorinated
Nitro Hydrocarbons

Se li prendi in silicone

Temperature Range
Up to 200°C (Intermittant)
Down to -40°C
Recommended temperature range -20°C to +180°C

Chemical resistance
Dry heat
High - aniline point oils
Chlorinated DI - phenyls
Food processing applications
Excellent ozone resistance.
Water (Low temperature only)

Not compatible with:
Most Petroleum fluids
Ketones (MEK, Acetone)

Se li prendi in Viton

Temperature Range
Up to 200°C (Intermittent)
Down to -15°C
Recommended temperature range -10°C to +180°C

Chemical resistance
Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
Non-flammable hydraulic fluids (HFD)
Silicone oil and grease
Mineral and vegetable oil and grease
Aliphatic hydrocarbons (butane, propane, natural gas)
Aromatic hydrocarbons (benzene, toluene)
Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
Gasoline (including high alcohol content)
High vacuum
Very good ozone, weather and aging resistance

Not compatible with:
Glycol based brake fluids
Ammonia gas, amines, alkalis
Superheated steam
Low molecular weight organic acids (formic and acetic acids)