Cup Packing Hydraulic Seals and Pneumatic Seals

13 Results
Buffer Seal -- MRB S – Heavy Duty Metric Rod Buffer Seal
from Hi-Tech Seals, Inc.

Hi-Tech Seals can supply both piston and rod buffer seals, however, the majority of our stock consists of rod seals. Buffer seals are usually used in combination with a U-cup style seal. Buffer seals in rod applications are designed to absorb pressure fluctuations when working under high-load... [See More]

  • Seal Type: Cup Packing
  • Design Units: Metric
  • Orientation / Direction: Rod Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 35.04
Rod Seals - Zurcon® - U-Cup RU9
from Trelleborg Sealing Solutions Germany GmbH

The Zurcon ® U-Cup has a very high sealing performance due to its ability to withstand lower friction and lower heat generation than standard U-Cups. The special shape of the trimmed lips allows for outstanding wear and extrusion resistance. Compatible with virtually all media, it also has a... [See More]

  • Seal Type: Cup Packing
  • Design Units: Metric
  • Orientation / Direction: Rod Seal
  • Shaft O.D. or Seal I.D.: 0.3937 to 9.84
Piston Cup -- HC750-1
from VanSeal

Piston cup, additional materials may be available [See More]

  • Seal Type: Cup Packing
  • Action: Single Acting
  • Orientation / Direction: Symmetric Seal
  • Design Units: English
Homogenous U-Cup Seals -- HU
from Hi-Tech Seals, Inc.

Homogenous U-cup (block vees) are non-loaded, single material U-cup. The Homo U-cup (HU) is popular in low pressure applications where a low friction seal would be beneficial. The seal is most commonly used in pneumatic applications as a rod or piston seal. The design is suited for situation where... [See More]

  • Seal Type: U-ring / Block Vee Ring; Cup Packing
  • Design Units: English
  • Orientation / Direction: Symmetric Seal
  • Shaft O.D. or Seal I.D.: 0.1250 to 6.25
Loaded U-Cup Seals -- CBX
from Hi-Tech Seals, Inc.

U-cups are lip seals and are primarily intended for dynamic applications. Fluid or air pressure forces the sealing lips into contact with the surface to be sealed against. Polyseals are used on the piston cap on the lower end of MWD systems. The materials stocked by Hi-Tech Seals provide excellent... [See More]

  • Seal Type: U-ring / Block Vee Ring; Cup Packing (Composite Seal)
  • Design Units: English
  • Orientation / Direction: Symmetric Seal
  • Material (ASTM Abbreviation): Carboxylated Nitrile
Piston Cups -- PC
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 Type: Cup Packing
  • Action: Single Acting
  • Orientation / Direction: Piston Seal
  • Design Units: English
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 Type: U-ring / Block Vee Ring; Cup Packing
  • Design Units: English
  • Orientation / Direction: Piston Seal
  • Shaft O.D. or Seal I.D.: 0.1875 to 7.25
Rod Urethane U-Cup Seals -- RO 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 Type: U-ring / Block Vee Ring; Cup Packing
  • Design Units: English
  • Orientation / Direction: Rod Seal
  • Shaft O.D. or Seal I.D.: 0.3750 to 6.75
SpectraSeals® -- SSM
from Hi-Tech Seals, Inc.

SpectraSeals ® are engineered plastic seals incorporating a metallic spring, which loads the seal lips against the mating hardware, creating a seal. The spring also allows the seal to follow minor eccentricity and compensate for seal lip wear in dynamic applications. SpectraSeals ® are... [See More]

  • Seal Type: Cup Packing
  • Design Units: Metric
  • Action: Single Acting
  • Material (ASTM Abbreviation): Nylon (optional feature); Polyetheretherketon (PEEK) (optional feature); Polytetrafluoroethylene (PTFE) (optional feature)
Symmetrical Urethane U-Cup Seals -- SY STD
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 Type: U-ring / Block Vee Ring; Cup Packing
  • Design Units: English
  • Orientation / Direction: Symmetric Seal
  • Shaft O.D. or Seal I.D.: 0.3125 to 7.88
Urthane U-Cups -- MPI
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. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]

  • Seal Type: Cup Packing
  • Action: Single Acting
  • Orientation / Direction: Piston Seal
  • Design Units: Metric
Urthane U-Cups -- MRO
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. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]

  • Seal Type: Cup Packing
  • Action: Single Acting
  • Orientation / Direction: Rod Seal; Piston Seal
  • Design Units: Metric
Urthane U-Cups -- MSY
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. The non-symmetric styles (MPI and MRO) provide the added benefits of: reduced seal movement, added stability in static... [See More]

  • Seal Type: Cup Packing
  • Action: Single Acting
  • Orientation / Direction: Symmetric Seal
  • Design Units: Metric