External / Piston Seal Dynamic Seals Datasheets

PolyLip - Rotary Seals -- 900AL
from Seal Science, Inc.

Rotary Lip Seals – are designed to be retained in the housings to minimize the possibility of the seal rotating with the shaft. This is accomplished with a press fit metal can, metal retaining ring, or backing plate. [See More]

  • Seal Orientation: Piston Seal
  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Type: Oil / Grease Seal; Exclusion Seal
  • Operating Temperature: -320 to 550
Mechanical Rotary Face Seals Type DO in Bearing Steel
from Seals-Shop GmbH

Also known as Heavy Duty Seals, these seals are used in rotating applications. They function well in harsh environments where they have to withstand the ingress of rough and abrasive external media. Type DO is the most common form that uses an O-Ring as a secondary sealing element. Depending on seal... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Oil / Grease Seal
  • Shaft O.D. or Seal I.D.: 3.54 to 16.9
Oil Seal -- KA
from EGC Enterprises Inc.

Used to prevent liquids or lubricants from leaking around rotary shafts [See More]

  • Seal Orientation: Piston Seal
  • Design Units: English
  • Seal Type: Oil / Grease Seal
  • Shaft O.D. or Seal I.D.: 4 to 10
Double Acting Piston Cup -- "PC"##OD"CB"
from ERIKS USA

For reciprocating equipments, hydraulic fluids [See More]

  • Seal Orientation: Piston Seal
  • Design Units: English
  • Seal Type: Hydraulic / Pneumatic Seal
  • Housing I.D. or Seal O.D.: 12
4330 Series Back-Up Rings
from Greene, Tweed & Co.

Greene, Tweed ’s new 43 back-up ring series has been specifically designed for use in AS5857 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types. A variety of high-performance materials can be provided and specifically targeted... [See More]

  • Seal Orientation: Rod Seal (optional feature); Piston Seal (optional feature)
  • Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
  • Seal Type: Back-up Ring
15 Series Rod Seals & Single Acting Piston Seals -- 15
from Hallite Seals International Ltd.

The Hallite 15 rod seal has been well proven in many applications requiring a compact, low friction seal to work efficiently both at low and high pressures.The seal comprises a rubberised fabric U ring to give strength and durability, to which is moulded a rubber header. It is designed to have a... [See More]

  • Seal Orientation: Rod Seal; Piston Seal
  • Design Units: Metric
  • Seal Type: Hydraulic / Pneumatic Seal; Bearing Isolator
  • Shaft O.D. or Seal I.D.: 0.6299 to 4.53
AQ Piston Rings -- AQ
from Hi-Tech Seals, Inc.

Piston cups are molded packing that have a single sidewall, complete with a sealing lip. The sealing is done by the outer lip, which is beveled and holds pressure unidirectionally. Piston cups can be used in hydraulic or pneumatic applications. Piston cups are used on the head of the piston with a... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: English
  • Seal Type: Hydraulic / Pneumatic Seal
  • Shaft O.D. or Seal I.D.: 1.38 to 9.16
Double Acting Piston Seals
from Parker Hannifin / Seal Group

Complete/integrated pistons combine a metal or plastic core, bearing and seals into a single unit. Both bonded and pre-assembled versions are available. The one-piece construction reduces assembly time and part number inventory. They perform two functions: sealing and guiding. Double-acting complete... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: English
  • Seal Type: Hydraulic / Pneumatic Seal; Piston Ring
  • Shaft O.D. or Seal I.D.: 1.5 to 19.88
Meldin® Material -- 3120
from Saint-Gobain Performance Plastics - High Performance Seals, Polymer Components and Springs

Excellent Mechanical Properties. Meldin ® 3100 materials have excellent mechanical properties, in tension and compression, and maintain an impressive level of these attributes as operating temperatures increase. These properties add extreme strength and rigidity to component parts, even in... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Hydraulic / Pneumatic Seal; Piston Ring
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]

  • Seal Orientation: Piston Seal
  • Design Units: English
  • Seal Type: Hydraulic / Pneumatic Seal
  • Shaft O.D. or Seal I.D.: 1 to 14