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Piston Seals

Piston seals maintain dynamic sealing contact between the piston and the cylinder bore of a hydraulic or pneumatic system, sealing pressurised air. They are a critical element to ensure a reliable and efficient system.

The pressure which acts on the piston seal is responsible for the increase in contact force between the seal and the cylinder.

Seals can be manufactured in PUR, NBR, FKM and filled PTFE materials. As the lubrication conditions in pneumatic cylinders are only marginal, the interface between the seal lip and shaft are especially important.  In this respect,  seals from FTL Technology are designed to give superior leading levels of performance.

FTL Technology supplies both single-acting and double-acting seals (depending on whether one or both sides of the seal are under pressure), with a range of materials depending on the operational demands placed on the seal. As a general rule, nitrile seals perform better in lower temperatures, with fluorocarbon seals delivering better results in higher temperatures.

How can we help? Click here to View all types of Pneumatic Seals or alternatively, if you need to speak to an FTL engineer chat with us online for more details.with us online.

Piston Seals
 Seal Profile Type Material Pressure [bar]Velocity [m/sec]  Temperature[°C]
 Piston Seal Profile 0003 0003Cotton/NBR
Cotton/FPM
 400 0.5-30 to +100
-30 to +140
 Piston Seal Profile 00370037
0038
0039
ptfe.bz/NBR
ptfe.bz/FPM
ptfe.gl/NBR
 400 5-30 to +100
-30 to +200
-30 to +100
 Piston Seal Profile 00320032
0033
0034
 ptfe.bz/NBR
ptfe.bz/FPM
ptfe.gl/NBR
 400 5-30 to +100
-30 to +200
-30 to +100
 Piston Seal Profile 00800080NBR/Pa4000.5-30 to +100
 Piston Seal Profile 00730073PUR4000.5-40 to +100

 

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