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  » Piston Seals | Piston Seals






Piston Seals

Selecting a Piston Seal
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Or, browse our online Piston Seal literature and catalog.
Why AFM?
There are a number of influencing factors including temperature, pressure, motion and speed that affect the sealing behavior and life of rod/piston seals, and these factors must be analyzed when selecting the optimal design and material.

By understanding both lip design and squeeze influences on any seal, AFM is routinely selected by manufacturers all over the world to solve problems in applications where others have tried and failed. Utilizing both standard profiles and materials to custom exotics, we have been providing solutions to original equipment manufacturers for over 30 years.

In applications ranging from hydraulic and pneumatic actuators to aerospace and cryogenics, AFM’s engineering, customer knowledge and experience can help select the right material, geometry, process and end product for your application.
  Piston Seal Profiles
Piston Seal: T Seal T-Seal
• Zero drift piston seal for bi-directional pressure
  applications
• Designed to retrofit O-Ring grooves
• Available in other Thermoset materials such as FKM
Piston Seal: AQ-Seal / AQ-Seal 5 AQ-Seal / AQ-Seal 5
• High performance bi-directional piston seal for
  accumulators
• PTFE for long service life with four lobed energizer
  for low pressure sealability
Piston Seal: Glyd Ring® / Glyd Ring® T Glyd Ring® / Glyd Ring® T
• PTFE piston seal for most high duty cycle linear
  actuators
• Excellent pressure and life capability
• Available in numerous materials with 40% bronze
  filled PTFE being the most common
Piston Seal: Pneumatic Seal Pneumatic Seal
• Tough Polyurethane pneumatic piston seal
• Increased service life with low friction characteristics
• Ideal for demanding seal applications up to 200ºF
• High strength and abrasion resistance to provide
  excellent seal life
Piston Seal: Pneumatic U Cup Pneumatic U Cup
• Elastomeric U-Cup for pneumatic applications
• Available in numerous materials for increased wear and
  temperature
• long term seal set resistance and hardness required to
  handle moderate fluid power pressures
Piston Seal: PHD Seal PHD Seal
• Heavy duty piston seal for most high duty cycle linear
  actuators
• Excellent pressure and life capability
• Incorporates an NBR energizer, nylon anti-extrusion rings
  and PTFE cap
Piston Seal: PHD/P Seal PHD/P Seal
• Heavy duty piston seal for most high duty cycle linear
  actuators
• Excellent pressure and life capability
• Polyamide anti-extrusion rings for extreme pressures
• Ideal for demanding seal applications up to 200ºF in most
  hydraulic fluids
• High strength and abrasion resistance
• Replaces Capped T-Seal® for easy field installation
Piston Seal: PVA Seal PVA Seal
• Ideally suited for heavy duty linear actuators
• Improved set resistance at all temperatures
• Long life and performance
Piston Seal: Turcon® CST Turcon® CST
• Heavy duty piston seal for most high duty cycle linear
  actuators
• Excellent pressure and life capability
• Incorporates an NBR energizer, nylon anti-extrusion rings
  and PTFE cap


Trelleborg Sealing Solutions
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Trelleborg Sealing Solutions US, Inc.
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