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Seals/Piston Seals/Piston Seals 
Viewing Page 36 of 182 (1,818 results)

T-Seals combine a resilient sealing ring with a hard, split back-up ring on each side of the sealing element. The assembly installs in a standard o-ring groove. T-Seals are non-spiraling and extrusion resistant to 5,000 psi with improved tolerances. Intermediate and Wide Base T-Seals are designed to fit MIL-5514F o-ring glands only and interchange with 1 o-ring / 1 back-up ring and 1 o-ring / 2 back-up ring grooves, respectively.

Buna-N Rubber Material | 2 1/8 in Nominal Inner Diameter | Piston T-Seal

$22.66
/EA

Specifically designed as piston seals, these u-seals are engineered to seal on their outside diameter. They offer extended, service life and maximum reliability in piston sealing.

92A Durometer | Urethane Material | 1 3/4 in Nominal Inner Diameter | 3/16 in Cross Section | U-Seal

$23.84
/EA

MPSA-PDE is a double-acting piston seal designed for use on split pistons where severe vibration, shock, and high pressure exist. It consists of an NBR sealing element, two plastic support rings, and two acetal bearing rings.

Nitrile Plastic POM Material | 34 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$54.19
/EA
PS2027-56 | PA-NYL-3.5x0.274 | CRC Distribution Inc.

Some PS2000 piston seals utilize a round instead of a square energizer. Also, piston diameter “I” dimensions are given for pistons without wear rings. Many sizes shown are completely interchangeable with style PS914 piston seals.

Glass Filled Nylon Material | 2.942 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$26.89
/EA
PSQ-48 | 3.000 X 2.384 X 0.288 Piston Seal | CRC Distribution Inc.

These piston seals provide bi-directional, low friction sealing with increased stability and superior leakage control. The square cut energizer provides low pressure sealing and eliminates backside leakage. This seal also effectively seals between different fluids on each side of the piston seal, making gas/liquid sealing combinations possible. Piston diameter “I” dimensions are given for pistons without wear rings.

40% Bronze Filled PTFE Material | 2.384 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$56.58
/EA

A heavy duty double-acting assembly, the capped piston T-seal exhibits excellent sealability, extrusion resistance, and wearability. T-seals with “BR” suffix utilize a Bronze Filled PTFE cap instead of the standard Glass Filled PTFE cap.

PTFE; Nylon; Rubber Material | 4.02 in Nominal Inner Diameter | Capped Piston T-Seal

Features

  • Glass-filled PTFE cap, nylon back-up, rubber energizer

$102.93
/EA
CTC-8J6213A | PA-TFE-2-1/2 | CRC Distribution Inc.

Caterpillar® part numbers are used as a reference only. We do not imply that these parts are original equipment parts.

2 1/2 in Nominal Inner Diameter | Piston Seal

$13.18
/EA

This capped piston seal consists of a filled PTFE cap, a T-shaped NBR energizer, and two split nylon backup rings. It exhibits low friction, high sealability, and excellent resistance to extrusion and wear.

PTFE Material | 107 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$75.83
/EA

This capped piston seal consists of a filled PTFE cap, a T-shaped NBR energizer, and two split nylon backup rings. It exhibits low friction, high sealability, and excellent resistance to extrusion and wear.

PTFE Material | 127 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$93.42
/EA

This capped piston seal consists of a filled PTFE cap, a T-shaped NBR energizer, and two split nylon backup rings. It exhibits low friction, high sealability, and excellent resistance to extrusion and wear.

PTFE Material | 65 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$46.76
/EA
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