Attention:
All the information in this chart is only approximate and should only be used for an initial choice of the type of materials best suited for the customers’ pumps. The data comes from various highly reliable sources. Despite this, GemmeCotti itself did not carry out the relative tests, and is not responsible for the preciseness of the data. Therefore, GemmeCotti takes no responsibility for possible malfunctions or damages of any type caused by the incorrect selection of construction materials and/or of the incorrect choice of pump size if it is not made by GemmeCotti itself after having received all pertinent information regarding the application and the characteristics of the pumped liquid.
Legenda:
A= Ottima - Very good
B= Buona - good
C= Scarsa, non raccomandata - poor, not recommended
D= Attacco grave, non raccomandato - very poor, not recommended
1. Soddisfacente fino a 22° C ( 72°F) - Good until 22°C (72°F)
2. Soddisfacente fino a 48° C ( 120°F) - Good until 48° C (120°F)
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SOSTANZA |
CHEMICAL |
AISI 316 |
PP |
EPDM |
PVDF |
PTFE |
Viton |
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|
Acetone |
Acetone |
A |
A |
A |
D |
A |
D |
|
|
Acido acetico |
Acetic Acid |
B |
B |
A |
C |
A |
B |
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Acido acetico 20% |
Acetic Acid 20% |
A |
A |
A |
A |
A |
B |
|
|
Acido acetico 80% |
Acetic Acid 80% |
B |
A |
A |
C |
A |
B |
|
|
Acido acetico glaciale |
Acetic acid, glacial |
A |
A1 |
B |
A1 |
A |
D |
|
|
Acido Cloridrico < 33% |
Hydrochloric Acid <33% |
D |
A2 |
A2 |
A |
A |
A |
|
|
Acido fluoridrico 50% |
Hydrofluoric Acid 50% |
D |
A |
D |
A |
A |
B |
|
|
Acido fluoridrico 100% |
Hydrofluoric Acid 100% |
B1 |
C1 |
D |
A |
A |
B |
|
|
Acido fosforico < 40% |
Phosphoric Acid < 40% |
C |
A |
A |
A |
A |
A |
|
|
Acido fosforico > 40% |
Phosphoric Acid > 40% |
D |
A |
A |
A |
A |
A |
|
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Acido solforico (10-75%) |
Sulfuric Acid (10-75%) |
D |
A1 |
B2 |
A |
A |
A2 |
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Acido solforico (75-100%) |
Sulfuric Acid (75-100%) |
D |
C1 |
B1 |
A |
A |
A1 |
|
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Acido solforico fumante 100% |
Sulfuric Acid 100% |
A |
D |
D |
D |
A |
A |
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Acqua di mare |
Sea Water |
C |
A |
A2 |
A |
A |
A |
|
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Acqua distillata |
Water, Distilled |
A |
A |
A |
A |
A |
A |
|
|
Acqua minerale |
Water, Acid, Mine |
B |
A |
A |
A |
A |
A |
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Alcool etilico |
Alcohols:Ethyl |
A |
A |
A |
A |
A |
A |
|
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Alcool iso-propilico |
Alcohols:Isopropyl |
B |
A2 |
A |
A |
A2 |
A |
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Alcool metilico |
Alcohols:Methyl |
A |
A2 |
A |
A |
A |
C |
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Alcool propilico |
Alcohols:Propyl |
A |
A |
A |
A2 |
A |
A |
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Ammine |
Amines |
A |
B2 |
B |
- |
A2 |
D |
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Ammoniaca liquida |
Ammonia, liquid |
A2 |
A2 |
A |
A |
A |
D |
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Benzina (altamente aromatica) |
Gasoline (high-aromatic) |
A |
A |
D |
A |
B |
A |
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Cloro, anidro liquido |
Chlorine, Anhydrous Liquid |
C |
D |
B |
A1 |
A |
A |
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Cloruro ferrico |
Ferric Chloride |
D |
A |
A |
A |
A |
A |
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Detergenti |
Detergents |
A1 |
A |
A |
A |
A |
A |
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Gasolio |
Fuel |
A1 |
A1 |
D |
A |
A |
A |
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Etere |
Ether |
A |
D |
C |
B1 |
A |
C |
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Fenolo (Acido carbolico) |
Phenol (Carbolic Acid) |
B |
B |
B |
A1 |
A |
A |
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Glucosio |
Glucose |
A |
A |
A |
A |
A |
A |
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Idrogeno perossido 10% |
Hydrogen Peroxide 10% |
B |
A |
A |
A |
A |
A |
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Idrogeno perossido 30% |
Hydrogen Peroxide 30% |
B |
B1 |
B |
A |
A |
A |
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Nafta |
Naphtha |
A |
B |
D |
A |
B |
A |
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Nichel cloruro |
Nickel Chloride |
C |
A |
A1 |
A |
A |
A |
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Oli combustibili |
Fuel Oils |
A |
A |
D |
B |
B |
A |
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Olio di oliva |
Olive oil |
A |
A |
D |
- |
A1 |
A |
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Olio idraulico (minerale) |
Hydraulic Oil (Petro) |
A |
D |
D |
A |
A |
A |
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Olio idraulico (Sintetico) |
Oil: Hydraulic Oil (Synthetic) |
A |
D |
A |
A |
A |
A |
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Olio motore |
Motor oil |
A2 |
A1 |
D |
B |
A |
- |
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Rame cloruro |
Copper Chloride |
D |
A |
A |
A |
A |
A |
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Rame solfato > 5% |
Copper Sulfate > 5% |
B |
A |
A |
A |
A |
A |
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Resine |
Rosins |
A1 |
A2 |
- |
- |
A |
A |
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Salamoia |
Salt Brine |
A2 |
A |
A |
A |
A2 |
A2 |
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Sali di stagno |
Tin Salts |
D |
A |
B |
A |
A |
A |
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Saponi liquidi |
Soap Solutions |
A1 |
A |
A |
A1 |
A |
A |
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Sodio bicarbonato |
Sodium Bicarbonate |
A1 |
A |
A2 |
A |
A |
A |
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Sodio bisolfito |
Sodium Bisulfite |
B1 |
A |
A2 |
A |
A |
A |
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Sodio carbonato |
Sodium Carbonate |
A |
A |
A2 |
A |
A |
A |
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Sodio cloruro |
Sodium Chloride |
B |
A |
A |
A |
A |
A |
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Sodio idrossido (10%) |
Sodium Hydroxide (10%) |
- |
A |
A |
C |
- |
C |
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Sodio idrossido (40%) |
Sodium Hydroxide (40%) |
- |
A |
A |
C |
- |
C |
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Sodio idrossido (50%) |
Sodium Hydroxide (50%) |
B1 |
A |
A |
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