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Quick Details

  • Standard or Nonstandard: Standard
  • Style: Hydraulic
  • Material: PTFE+carbon
  • Place of Origin: Guangdong, China (Mainland)
  • Model Number: hydraulic PTFE carbon/rubber/PU/Viton piston cup seals
  • Name: Piston ring/guid ring/rider ring
  • Temperature range: -55-+260℃
  • Shore D(GB/T 531-1999): 65+-2D
  • Elongation(GB/T 1040-92) Mpa: 21.6
  • Density(GB/T 533-91) (24°C): ≥2.21
  • Color: Black
  • Sizes: Any sizes
  • Medium: hydraulic medium,solvents, and various chemical mediators

Packaging & Delivery

Packaging Details inner packing for carbon fiber filled PTFE ring is plastic bag and outer packing is carton box
Company Information

For over 20 years,DLSEALS has specialized in the development and production of sealing systems which were used in the Metallurgical,Electrical,Auto, Engineering machinery, Light industrial machinery and Electrical appliance manufacturing industries. 


Product Description


PTFE Seal Material Offers Greater Durability, Longer Operating Life & Other Mission-Critical Benefits

Polytetrafluoroethylene (PTFE) seals and piston rings have started to replace their carbon counterpart as PTFE seals and rings offer greater durability, have a longer operating life, and can be operated at various pressures, velocities and temperatures.

PTFE seals and rings are becoming more common in a variety of applications and industries because of the unique advantages they offer.



PTFE seals and rings have various properties that make it ideal for a wide range of applications. Some advantages of PTFE seals and rings include:

High Wear Resistance
Chemical Resistance
Ease of Machinability
Broad Temperature Tolerance (-328F to +500F)
Anti-Adhesive Properties
Low Stick Slip



PTFE seals and rings are ideal for a variety of applications, particularly in fluid & gas applications.

Other applications where PTFE seals and rings are common include:

Gas Compressors (Air, Oxygen, Hydrogen, Carbon Dioxide, Ammoniac, etc.)
Hydraulic & Pneumatic Cylinders
Metallic & Thermoplastic Cylinders
Dosage Pumps
Liquid Pumps with High Fluidity
Liquid Oxygen Pumps
Liquidated Gas Compressors (butane, propane, etc.)
Liquid and Gas Vacuum Pumps
Reciprocating Compressors
Rocking Piston Pumps
Braking Systems
Combination Heat & Power Systems
As an industry leading hydraulic seal and piston ring manufacturer, our PTFE seals and rings are available in a wide range of piston ring and sealing ring configurations, including:




Piston Ring Configurations:

Angle Cut Piston Rings (Butt Cut)
Oil Control Piston Rings
Side Pin Piston Rings
Butt Taper Face Piston Rings
Sealing Ring Configurations:
Butt Cut Sealing Rings
ONEP Sealing Rings
Inseal Sealing Rings
Step Seal Sealing Rings
Step Lock Sealing Rings
Lok Seal Sealing Rings
Angle Step Cut Sealing Rings
Hook Sealing Rings
Angle Cut Sealing Rings
Step Cut Sealing Rings
Hook Sealing Rings
Permaseal Sealing Ring

Details image






Other Types of PTFE seals

Heavy equipments hydraulic ptfe backup rings Pure white ptfe o rings 
Hydraulic cylinder teflon piston seals GSF Glyd rings Hydraulic cylinder teflon rod seals GSJ step rings


Payment and shipping


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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $76,000
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