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The one-piece seal is manufactured from PTFE with its memory effect resulting from a special manufacturing technique. The memory effect allows the required contact pressure to be achieved without an additional spring element. This means that preload can be kept very low, thus providing the memory packing with outstanding friction properties.
Operating Limits1)
T = –40 °C to +220 °C
p = up to 20 bar
v = 15 m/s
v = 1 m/s
Compound
Design features
- one-part seal
- in dependence of the application used as Rod,- Piston- or Shaft Seal
Properties
- very good sealing effect with low friction
- suitable for oil-free application
- used for soft contact surfaces
- very good chemical resistance
- PTFE compounds with FDA approval available
- CIP
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EMT – Piston Seal
Application
- as Piston Seal in small compressors or pumps
- metering pumps in medical applications
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EMTX – Piston Seal
with integrated guide
Application
- Wobble piston compressor with cup seal serving as a piston seal in non-lubricated operation (oil-free application).
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EMH – Rod Seal, Wiper, Shaft Seal
Application
- Shaft seal for blowers and impulse encoders
- Rod Seal in metering valves for food processing
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EMHX – Rod Seal, Wiper, Shaft Seal
with integrated guide
Application
- Rod seal used in valves for bottling plants. With minimum clearance space and good flushing properties (aseptic applications). Wiper for metering valves
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Products 
