Polytetrafluoroethylene (PTFE- Teflon®, etc.) Dynamic Seals Datasheets

Packing
from CT Gasket & Polymer Co., Inc.

TG, Inc. packing sets are light to heavy duty designs that have been in service worldwide for many years in harsh environment applications. The profiles of the packings provide sealing lips which are suited to applications where heavy side loads and high pressure peaks are encountered. Some typical... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Ethylene Propylene (optional feature) Nitrile (NBR) (optional feature) Highly Saturated Nitrile (HNBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature)
  • Seal Orientation: Symmetric Seal
  • Seal Type: Hydraulic / Pneumatic Seal
  • Design Units: English
Bearing Isolators -- FNM-0130-0320-1-1
from Daemar Inc.

Technology. The unique technology has been developed over a number of years to provide total bearing protection by ensuring zero leakage of lubricant to atmosphere and total exclusion of contaminants from the bearing housing. Lip seals are primarily designed to keep lubricants in, and are not always... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Shaft O.D. or Seal I.D.: 0.5118
  • Seal Type: Bearing Isolator
  • Housing I.D. or Seal O.D.: 1.26
Labyrinth Oil Seals
from EnviroPump and Seal, Inc.

The main shaft in process equipment such as pumps, agitators, mixers, motors and compressors can be costly items to replace. Ordinary lip seals, commonly used on such process equipment, have both an extremely limited life and also cause considerable amount of damage to the shaft. [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Design Units: English
  • Seal Type: Oil / Grease Seal; Clearance / Labyrinth
  • Shaft O.D. or Seal I.D.: 0.6250 to 7
Back-up Rings
from Precision Polymer Engineering Ltd.

For high pressure applications it is common to use one or two back-up rings to prevent the O-ring from extruding out of the clearance gap on the low pressure side of a groove. Back-up rings are typically made of a high grade engineering plastic, such as PTFE or PEEK. These higher modulus materials... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature); Other High Grade Engineering Plastics
  • Seal Type: Back-up Ring
Elastomer Energized Seals -- 60
from Seal Science, Inc.

This family of seals can be provided with different styles and foot prints depending on your application, Many more types are available. Elastomer Energized Seals - Cap Seals, T-seals and other elastomer energized seals are excellent bi-directional seals, used largely in hydraulic, fluid power,... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Symmetric Seal
  • Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic Seal
  • Operating Temperature: -320 to 550
Back-Up Rings - Type BU/BG
from Seals-Shop GmbH

Rectangular cross section. For static and dynamic use. Reciprocating and rotating movements possible. Material: PTFE. Back-up Rings are installed together with O-Rings and Quad-Ring ® Seals to prevent extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut, or uncut designs in... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Design Units: Metric
  • Seal Type: Back-up Ring
  • Shaft O.D. or Seal I.D.: 0.3150 to 8.27
Piston Seals Incorporating Anti-Extrusion Rings
from SKF/Global

These SKF piston seals incorporate patented locking anti-extrusion rings made of polyamide (PA). They are split for easy installation. Their snap-in design makes it easy to identify the correct installation direction, holds them in place when installed and prevents damage during assembly. Piston... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Nitrile (NBR) Polytetrafluoroethylene (PTFE)
  • Design Units: English; Metric
  • Seal Type: Hydraulic / Pneumatic Seal
  • Housing I.D. or Seal O.D.: 0.9843 to 11.42
Piston Seals Incorporating Anti-Extrusion Rings
from SKF/North America

These SKF piston seals incorporate patented locking anti-extrusion rings made of polyamide (PA). They are split for easy installation. Their snap-in design makes it easy to identify the correct installation direction, holds them in place when installed and prevents damage during assembly. Piston... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Nitrile (NBR) Polytetrafluoroethylene (PTFE)
  • Design Units: English; Metric
  • Seal Type: Hydraulic / Pneumatic Seal
  • Housing I.D. or Seal O.D.: 0.9843 to 11.42
Back-Up Rings
from TFC Ltd.

Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings. [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE) (optional feature)
  • Seal Type: Back-up Ring
8-###SW -- MS28782 MS28783
from ERIKS USA

Designed to prevent extrusion of seal elastomer, support/spacer for o-ring [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Design Units: English
  • Seal Type: Back-up Ring
General Purpose Shaft Seals -- Brand: National®
from Federal-Mogul Corporation

PTFE shaft seals provide excellent dry running capabilities, low coefficient of friction, and excellent resistance to chemicals. Also resistant to hydrocarbon/oxygenate blends. These seals provide superior performance. Industry Segments:Electrical Power Generator, Gas & Steam Turbines, Oil &... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Rod Seal
  • Seal Type: Oil / Grease Seal
  • Design Units: English; Metric
4230 Series Back-Up Rings
from Greene, Tweed & Co.

This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up rings while AS5782 is the specification for... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Rod Seal (optional feature); Piston Seal (optional feature)
  • Seal Type: Back-up Ring
16 Series Rod Seals -- 16
from Hallite Seals International Ltd.

Used in tandem, the Hallite 16 rod seal provides the designer with a compact low friction seal for light to medium duty hydraulic cylinders.It has a special filled PTFE ring with a pre-loaded lip energised by an O ring. The lip is designed to have a contact area with the rod adequate to retain the... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Rod Seal
  • Seal Type: Bearing Isolator
  • Design Units: Metric
Anti-Extrusion Rings -- Butt Cut Backup Style Ring
from Hi-Tech Seals, Inc.

The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting anti-extrusion ring... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
  • Design Units: Metric
  • Seal Type: Back-up Ring
  • Operating Temperature: -328 to 500
Custom "Double Runner" for Gearboxes
from Inpro/Seal

Gearbox applications, consult for bore/shaft diameters & service limits [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE) (optional feature); Sintered Bronze Stainless Steel (optional feature)
  • Design Units: English
  • Seal Type: Clearance / Labyrinth; Bearing Isolator; Compound Labyrinth Seal
  • Shaft O.D. or Seal I.D.: 48
OG DynaLip® Rotary Lip Seals -- Type 13
from Saint-Gobain Oil & Gas

Features: Positive sealing. Applicable in lubricated and non-lubricated environments. Shaft speeds up to 25 m/s. Pressure up to 0.5 MPa. Saint-Gobain High Performance Seals has a complete line of polymer-based Dynalip ® seals with many PTFE and PTFE blended sealing elements. These seals were... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Rod Seal
  • Seal Type: Oil / Grease Seal
  • Design Units: Metric
DynaLip® Rotary Lip Seals -- Type 13
from Saint-Gobain Performance Plastics - High Performance Seals, Polymer Components and Springs

Features: Positive sealing. Applicable in lubricated and non-lubricated environments. Shaft speeds up to 25 m/s. Pressure up to 0.5 MPa. Saint-Gobain High Performance Seals has a complete line of polymer-based Dynalip ® seals with many PTFE and PTFE blended sealing elements. These seals were... [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Orientation: Rod Seal
  • Seal Type: Oil / Grease Seal
  • Design Units: Metric
Imperial Piston Seals -- R Series
from T-LON Products, Inc.

T-LON "R" Series Piston Seals, made of fluorinated polymer, are fortified with either glass fiber or bronze flakes. Used in combination with a square rubber loader ring or an elastomer O-Ring, this reliable system produces long wearing piston seals for reciprocating hydraulic or pneumatic cylinders. [See More]

  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE); T-LON Variants
  • Seal Orientation: Piston Seal
  • Seal Type: Hydraulic / Pneumatic Seal
  • Design Units: English