Seals

CODICE PTFE
01 Virgin PTFE.
- Excellent chemical resistance, limited wear resistance.
- Compatibility with food and pharmaceutical products.
- Applications: light.
02 PTFE + Glass Fiber.
- Good chemicaland wear resistance
- Applications: medium light.
03 PTFE + Glass Fiber + Mos 2.
- Excellent wear resistance.
- Good resistance to compression
- Applications: medium heavy
04 PTFE + Graphite
- Low coefficient of friction.
- Excellent resistance to high speed.
- Good resistance in a non-lubricated environment.
- Applications with a low hard surfaces such as aluminum,
brass and light alloys.
05 PTFE + Carbon
- Chemical resistance limited by the presence of carbon.
- Good resistance.
- Compatibility with alloys and metals.
- Especially designed for seals in the presence of steam,
hot water.
06 PTFE + Bronze + Mos 2
- Limited chemical resistance.
- Excellent resistance to wear and compression.
- Application: heavy and medium high pressures.
07 PTFE + Glass Fiber + graphite
- Excellent wear resistance.
- Good resistance to compression.
- Applications: very high heavy.
Operating temperature from -40° up to +225°C.

 

CODICE ELASTOMERI
N
 
Nitrile rubber.
- As a general use in hydraulics and pneumatics.
- Resistance to the limited aromatic oils.
- Not used with liquid-based phosphoric esters and chlori
nated.
- Operating Temperature: -30 ° to +100 ° C.
EP Ethylene propylene elastomer.
- Good resistance to synthetic fluid and brake fluid-based
phosphoric esters.
- Excellent resistance to hot water and steam, not used
hydrocarbon and mineral oils.
- Operating Temperature: -40 ° to +150 ° C.
V Elastomer fluorine polymer.
- Good resistance to mineral oils in aromatic solvents,
chlorinated, some concentrated acids.
- Operating Temperature: -15 ° to +200 ° C.
S Silicon elastomer.
- Good resistance to various chemicals and steam.
- Poor mechanical strength
- Non-toxic, sterilizable.
- Operating Temperature: -60 ° to +200 ° C.
K Kalerz Elastomer
Resistance universal industrial fluids, other agents
fluorurari or highly oxidizing.
- Operating Temperature: -40 ° to +316 ° C

 

Fluids PTFE Elastomer
col1 Type of surface in contact
col4
col1 Soft Hard col4
Hydraulic Oil
Mineral Oil
04-05 07-06 N-V
Water
Water and Oil
04-05 05 N-EP-V
Hot water
Steam
04-05 07-05 EP
Dry Air
Lubricated Air
04-05 05-06 N
Synthetic fluid with a high point
of flammability, industrial gases.

05 07-05-04 V-K
Flammable hydraulic fluid,
based phosphoric and
chlorinated hydrocarbons.

05 07-05-06 EP-V-K
Food Products 01 02 S