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Seals/Piston Seals/Piston Seals 
Viewing Page 71 of 182 (1,818 results)
PA-90URE-6x0.5 - PSC-433-WB | CRC Distribution Inc.

The Style PSC is a double acting piston seal designed to replace o-rings, quad-rings, and T-seals with the same groove dimensions (O-ring dash number). Style 575 urethane back-up rings may be added to either or both sides of the “PSC” to accommodate wider groove widths. The PSC is made of 95A Durometer polyurethane, giving it high extrusion and abrasion resistance. The crowned sealing surface produces a positive seal from vacuum to high pressure. Hercules® Sealing Products also offers a wide base (WB) Style PSC piston seal. These wide base seals have the same characteristics of the standard PSC seals but offer a wider base, eliminating the need to use back-up rings to accommodate wider grooves. Piston diameter “I” dimensions are given for piston without wear rings.

95A; 70A Durometer | Polyurethane Material | 5 1/2 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$70.25
/EA
PA-90URE-8x0.35 - PSM-443 | CRC Distribution Inc.

Molded from 93 Shore A polyurethane with a 70 Shore A energizer, this seal utilizes the same groove dimensions as a standard o-ring or T-seal. One or two Style 575 back-up rings may be used for wider grooves. Extrusion resistant by design, this seal is also resistant to rolling and twisting. Installation is an easy two step snap-in procedure with no need to re-size before insertion into the bore. Piston diameter “I” dimensions are given for pistons without wear rings.

93A; 70A Durometer | Urethane Material | 7 1/2 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$55.87
/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 | 2 3/4 in Nominal Inner Diameter | 3/8 in Cross Section | U-Seal

$23.53
/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 | 2 15/16 in Nominal Inner Diameter | Capped Piston T-Seal

Features

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

$102.79
/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 | 53 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$62.45
/EA

Molded from filled PTFE and machined to close tolerances, these seals feature low friction and excellent wear characteristics. Nitrile rings are used for energizers.

70A Durometer | PTFE Material | 59 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$17.20
/EA

Designed to fit on one or two piece pistons, this piston seal employs a nitrile seal for high sealability, nylon split back-ups for extrusion resistance, and two split bearing rings. No further support bearings are required.

70A Durometer | NBR Material | 21 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$12.04
/EA

Designed to fit on one or two piece pistons, this piston seal employs a nitrile seal for high sealability, nylon split back-ups for extrusion resistance, and two split bearing rings. No further support bearings are required.

70A Durometer | NBR Material | 92 MM Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$33.10
/EA
PS, 1.625 X 1.412 X 0.088 TFG - PS1600-26 | CRC Distribution Inc.

Piston diameter “I” dimensions are given for pistons without wear rings.

15% Glass Filled PTFE Material | 1.412 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$6.73
/EA
PS, 1.750 X 1.443 X 0.129 TFG - PS1800-28 | CRC Distribution Inc.

The PS1800 provides low friction, high strength piston sealing. The PS1800 also provides double-acting piston sealing in a compact design that meets the requirements of ANSI/B93-32-1973. Piston diameter “I” dimensions are given for pistons without wear rings.

15% Glass Filled PTFE Material | 1 7/16 in Nominal Inner Diameter | Piston Seal

Features

  • Easy assembly
  • Low friction capabilities

$6.78
/EA
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