External / Piston Seal Oil Seals and Grease Seals

Capped T-Seal -- M4P
from Hi-Tech Seals, Inc.

The T-seal comes in both piston (TPO) and rod (TRO) styles, and can be installed in standard O-ring grooves. The T-seal is a double acting seal. The Back-up rings and sturdy base help prevent extrusion and spiralling up to 5,000 PSI. Standard T-seals are composed of a Nitrile sealing element and two... [See More]

  • Seal Orientation: Piston Seal
  • Seal Construction: Rubber / Polymer; Opposed Dual Element
  • Seal Type: Double Lip Oil Seal
  • Design Units: Metric
Pneumatic Seals
from FTL Technology

FTL Technology has a distinguished pedigree supplying pneumatic seals across a wide range of industries. Our expert engineers understand the unique requirements of an application, translating this into a pneumatic seal specification that will delivery outstanding performance in the field. Ensuring... [See More]

  • Seal Orientation: Rod Seal; Piston Seal
  • Pressure: 145
Mechanical Rotary Face Seals Type DO in Bearing Steel
from Trelleborg Sealing Solutions Germany 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: Double Lip Oil Seal
  • Shaft O.D. or Seal I.D.: 3.54 to 16.9
OmniSeal® Spring Energized Seal -- Raco™
from Saint-Gobain Performance Plastics - High Performance Seals, Polymer Components and Springs

Series Specifics: Static or slow angular movement. Heavy duty, high load spring with continuous contact along the entire sealing lip. Excellent for cryogenic temperatures and gases. OmniSeal ® are high-performance spring energized polymer seals capable of handling extreme service conditions. [See More]

  • Seal Orientation: Piston Seal
  • Seal Construction: Rubber / Polymer
  • Seal Type: Single Lip Oil Seal
  • Design Units: Metric
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
  • Operating Temperature: -320 to 550
  • Seal Type: Single Lip Oil Seal
  • Seal Features: Spring-energized
Fluid Seals -- DAM
from Hi-Tech Seals, Inc.

Single acting fluid seals (SAFS) are commonly used in stage cylinders for truck box hoists. SAFS are often used with anti-extrusion rings either on ID or OD depending on rod seal or piston seal. Fluid seals can also be used with a wear ring where side loads could be a concern. Double acting fluid... [See More]

  • Seal Orientation: Piston Seal
  • Seal Construction: Opposed Dual Element; Fabric-Base
  • Seal Type: Double Lip Oil Seal
  • Design Units: Metric
Piston Seals - Turcon® Variseal® M2S
from Trelleborg Sealing Solutions Germany GmbH

The Turcon ® Variseal ® M2S is a single acting seal with scraper lip, based on the design of the Variseal ® M2, consisting of a U-shaped seal jacket and a corrosion resistant V-spring. The asymmetric seal profile works well even in media with high viscosity and the Turcon ® material... [See More]

  • Seal Orientation: Piston Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 9.84
  • Design Units: Metric
  • Speed: 2953
PolySpring™ - Spring-Energized Seals -- 810V Series
from Seal Science, Inc.

Spring energized seals are uni-directional u-cups seals. An energizer is required to provide a pre-load for low pressure sealing and to maintain intimate lip contact with the mating hardware. As the seal wears the spring continues to exert pressure on the lip until the useful performance of the seal... [See More]

  • Seal Orientation: Piston Seal
  • Operating Temperature: -320 to 550
  • Seal Type: Single Lip Oil Seal
  • Seal Features: Spring-energized
Modular Bearing -- MBM
from Hi-Tech Seals, Inc.

Modular bearings are used in both rod and piston applications. Modular bearings act as a wear and load bearing surface to help extend the life of a U-cup. The standard material of modular bearings is a durable Nylon. [See More]

  • Seal Orientation: Piston Seal
  • Seal Construction: Rubber / Polymer
  • Seal Type: Single Lip Oil Seal
  • Design Units: Metric
Rotary Radial Oil Seals - TSS type TRE and Stefa type CB
from Trelleborg Sealing Solutions Germany GmbH

Type TRA Radial Oil Seals are seals with a completely rubber covered outer diameter and a single sealing lip. This type is not recommended for use in heavily polluted environments. Radial Oil Seals are also known as Rotary Shaft Seals, consisting of a rubber sealing lip, metal case and a spiraled... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Single Lip Oil Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 9.84
Piston Urethane U-Cup Seals -- PI DL
from Hi-Tech Seals, Inc.

The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. Symmetrical, rod and piston styles are available in a range of sizes. The non-symmetric styles provide the added benefits of:... [See More]

  • Seal Orientation: Piston Seal
  • Seal Construction: Rubber / Polymer
  • Seal Type: Double Lip Oil Seal; U-ring / Block Vee Ring
  • Design Units: English
Rotary Radial Oil Seals - TSS type TRE and Stefa type CC
from Trelleborg Sealing Solutions Germany GmbH

Type TRE are seals with a completely rubber covered outer diameter and a secondary dust lip which protects the other lip against dust and other fine contaminants. This type of radial oil seal is recommended for use in polluted environments. Radial Oil Seals are also known as Rotary Shaft Seals,... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Double Lip Oil Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 9.84
Scrapers - Turcon® Excluder® 2 with O-Ring
from Trelleborg Sealing Solutions Germany GmbH

The Turcon ® Excluder ® 2 is a double-acting O-Ring energized scraper that has two functions: a) to scrape contaminants from the retracting piston rod to prevent soiling of the system and b) to hold back the residual oil film on the extending piston rod on the medium side. The O-Ring... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Single Lip Oil Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 9.45
Scrapers - Turcon® Excluder® F
from Trelleborg Sealing Solutions Germany GmbH

Double-acting O-Ring energized scraper with two O-Rings that has two functions: a) to scrape contaminants from the retracting piston rod to prevent soiling of the system and b) to hold back the residual oil film on the extending piston rod on the medium side. Excluder F is recommended for use in... [See More]

  • Seal Orientation: Piston Seal
  • Design Units: Metric
  • Seal Type: Single Lip Oil Seal
  • Shaft O.D. or Seal I.D.: 0.3150 to 7.83