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Trelleborg Hydraulic Piston Seals

Home » Seal » Trelleborg Sealing Solutions » Trelleborg Hydraulic Piston Seals

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Hydraulic Piston Seals

Seals for fluid sealing in hydraulic cylinders

Trelleborg Sealing Solutions offers a wide range of piston seals that provide the ultimate in leakage control. Our proprietary piston seal designs meet users’ requirements for low friction, compact form and simple installation. 

Download Trelleborg’s Hydraulic Piston Seals Catalogue Inch / Metric.

Technical Resources

 

Compact Seal Polypac DBM | Hydraulic Piston Seals | TrelleborgCompact Seal Polypac DBM | Hydraulic Piston Seals | Trelleborg

Double-acting compact piston seal assemblies consisting of an elastomeric piston seal, two thermoelastomeric Back-up Rings and two thermoplastic wear rings. They are installed in closed grooves.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
20 – 250 mm 35 MPa -35°C +100°C 0.5 m/s
0.800 – 10 in 5075 psi -30°F +210°F 1.6 ft/s

POLYPAC PHD/CST Seal | Hydraulic Piston Seals | Trelleborg

A heavy duty compact double-acting piston seal, the POLYPAC® PHD/CST Seal is an elastomer energized PTFE assembly. It gives stability, wear resistance, sealability, low friction and a maintenance-free long life. HiMod® Back-up Rings are specially designed to protect the seal ring from extrusion, even in the most demanding applications. Available in metric and inch sizes.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
50-180 mm 40 MPa -45°C +135°C 1.5 m/s
2.0 – 7.0 in 5800 psi -50°F +275°F 5 ft/s

POLYPAC Selemaster DSM | Hydraulic Piston Seals | Trelleborg

A double-acting compact piston seal with an integrated back-up ring and guide ring. The multi-lip elastomer seal element is backed on both sides with fiber-reinforced profile rings. Recommended for high pressure applications and where vibration occurs.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
45 – 360 mm 70 MPa -40°C +130°C 0.5 m/s
1.75 – 14 in 10150 psi -40°F +270°F 1.6 ft/s

Polypac Veepac | Hydraulic Piston Seals | Trelleborg

Polypac® Veepac is an assembly of fabric-reinforced, highly wear resistant, chevron sealing rings with a support ring and a pressure energizing ring. The seals are designed with preloaded radial lips to provide excellent sealing. They are very robust, not sensitive to surface finish and dimensionally adjustable. They are especially suited to applications where there is risk of damage and contamination.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
40 – 250 mm 40 MPa -30°C +200°C 0.5 m/s
1.5 – 10 in 5800 psi -20°F +390°F 1.6 ft/s

Turcon® AQ Seal® | Hydraulic Piston Seals | Trelleborg

A double-acting O-Ring energized seal developed for sealing between two media such as fluid and gas. It incorporates a limited footprint Quad-Ring®Seal / X-Ring inset into the dynamic sealing face. Installed in grooves to ISO 7425.

Features: DoubleActing, Reciprocating and Static

Ø – Range Pressure Range Temp. range Velocity
16 – 700 mm 50 MPa -45°C +200°C 2 m/s
0.625 – 27.5 in 7250 psi -50°F +390°F 6.5 ft/s

Turcon® AQ Seal® 5 | Hydraulic Piston Seals | Trelleborg

A further development of the standard Turcon®AQ Seal®, the doubleacting Turcon®AQ Seal®5 incorporates an elastomer Quad-Ring®Seal / X-Ring and an elastomer or polyurethane Bean Seal in the dynamic sealing face. It is energized by two O‑Rings to improve sealing behaviour.

Features: DoubleActing, Reciprocating and Static

Ø – Range Pressure Range Temp. range Velocity
40 – 700 mm 60 MPa -30°C +200°C 3 m/s
1.5 – 27.5 in 8700 psi -22°F +390°F 10 ft/s

Turcon® Double Delta® | Hydraulic Piston Seals | Trelleborg

The Turcon® Double Delta® is a double-acting sealing element which is energized by an elastomer O-Ring. The Turcon® Double Delta® seal can be fitted in existing O-Ring grooves (US standard AS 568 A, MIL-P-5514) and it demonstrates good friction properties, stick-slip-free starting and excellent dry-running. The Turcon® Double Delta® is used in light and medium-duty industrial hydraulics.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
4-2,700 mm 35 MPa -45°C +200°C 15 m/s
0.157-105 in 5075 psi -50°F +390°F 50 ft/s

Turcon® Glyd Ring® | Hydraulic Piston Seals | Trelleborg

Turcon® Glyd Ring® is a double-acting O-Ring energized piston seal for dynamic applications. Turcon® Glyd Ring® provides low friction with no stick-slip, minimal break out force and high wear resistance. Main application is actuator cylinders. Installed in grooves to ISO 7425.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
8 – 2,700 mm 60 MPa -45°C +200°C 15 m/s
0.315 -105 in 8700 psi -50°F +390°F 50 ft/s

Turcon® Glyd Ring® Hz | Hydraulic Piston Seals | Trelleborg

Turcon®Glyd Ring®Hz is a symmetric, double-acting seal which has design features to allow improved performance over a standard  Turcon® Glyd Ring® in high frequency, short stroke applications.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
8 – 999.99 mm 30 MPa -45°C +200°C 15 m/s
0.315-39.4 in 4350 psi -50°F +390°F 50 ft/s

Turcon® Glyd Ring® II | Hydraulic Piston Seals | Trelleborg

The Turcon® Glyd Ring® II is a double-acting, bi-directional seal for demanding applications. It consists of a permanently bonded elastomer energizer and a PTFE-based seal ring to form a one-piece seal.

Features: DoubleActing, Reciprocating and Static

Ø – Range Pressure Range Temp. range Velocity
2.5 – 1,016 mm 60 MPa -60°C +200°C 15 m/s
0.100 – 40.0 in 8700 psi -76°F +392°F 50 ft/s

Turcon® Glyd Ring® T | Hydraulic Piston Seals | Trelleborg

Turcon® Glyd Ring® T provides optimum leakage control and good resistance to extrusion. The seal is a double-acting O-Ring energized piston seal for dynamic applications. Installed in grooves to ISO 7425, it has excellent friction characteristics with no stick-slip, minimal breakout force and high wear resistance.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
8 – 2,700 mm 60 MPa -45°C +200°C 15 m/s
0.315 – 105 in 8700 psi -50°F +390°F 50 ft/s

Turcon® Stepseal® 2K | Hydraulic Piston Seals | Trelleborg

A single-acting O-Ring energized piston seal for dynamic applications installed in closed grooves, including grooves to ISO 7425. Turcon® Stepseal® 2K offers high sealing efficiency, low friction with no stick-slip, minimal break out force and high wear resistance. Optimum sealing characteristics are achieved by installing in a tandem Turcon® Stepseal® or Rimseal arrangement together with a double-acting scraper. Available in Turcon® or Zurcon® materials.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
20 – 250 mm 35 MPa -35°C +100°C 0.5 m/s
0.800 – 10 in 35 MPa -30°F +210°F 1.6 ft/s

Turcon® Stepseal® V | Hydraulic Piston Seals | Trelleborg

A single-acting O-Ring energized piston seal with hydrostatic pressure relief channel for dynamic applications. It prevents pressure trapping between seals under all service conditions. Installed in closed grooves, including grooves to ISO 7425, Turcon® Stepseal® V offers high sealing efficiency. It also has low friction with no stick-slip, minimal break out force and high wear resistance.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
8 – 2,700 mm 60 MPa -45°C +200°C 15 m/s
0.315 – 105 in 8700 psi -50°F +390°F 50 ft/s

Turcon® Stepseal® V LM | Hydraulic Piston Seals | Trelleborg

A single-acting O-Ring energized piston seal with hydrostatic pressure relief and Lubrication Management. Lubrication Management reduces friction and improves protection of the hardware and the seals. Turcon® Stepseal® V LM provides balanced sealing efficiency with low friction, no stick-slip, minimal break-out force and high wear resistance. The seal is preferably used together with a Turcon® or Zurcon® piston seal as a secondary element.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
15 – 2,700 mm 60 MPa -45°C +200°C 15 m/s
0.600 – 105 in 8700 psi -50°F +390°F 50 ft/s

Turcon® Variseal® M2 | Hydraulic Piston Seals | Trelleborg

A single-acting sealing element comprised of a U-shaped Turcon® ring and metallic energizing finger spring. It offers low friction with no stick-slip, minimal break out force and high wear resistance. Resistant to most liquids and chemicals, it has an unlimited shelf life.

Features: Helix, Oscillating, Reciprocating, Rotary and SingleActing

Ø – Range Pressure Range Temp. range Velocity
6 – 3,300 mm D: 20 S: 40 MPa -70°C +300°C L: 15 R/O/H: 1.3 m/s
0.236 – 130 in D: 2,900 S: 5,800 psi -95°F +570°F L: 50 R/O/H: 4.2 ft/s

Turcon® Variseal® W2 | Hydraulic Piston Seals | Trelleborg

Turcon® Variseal® W2 is a single-acting rod seal energized by a slantcoil spring. The advantage of the Turcon® Variseal® W2 lies in its low friction and relatively constant preloading force over a relatively large deformation range. The seal is used wherever friction has to be kept within a narrow tolerance zone, for instance in pressure switches.

Features: Helix, Oscillating, Reciprocating, Rotary and SingleActing

Ø – Range Pressure Range Temp. range Velocity
3 – 3,300 mm D: 20 S: 40 MPa -70°C +300°C L: 15 R/O/H: 1.3 m/s
0.118 – 130 in D: 2,900 S: 5,800 psi -95°F +570°F L: 50 R/O/H: 4.2 ft/s

Turcon® VL Seal® | Hydraulic Piston Seals | Trelleborg

The Turcon® VL  Seal® is a single-acting L-shaped Turcon® seal with an elastic energizer for dynamic applications. Its design provides low friction, no stick-slip effect, high wear resistance. It features the Turcon® Stepseal® back pumping effect and is also available in Zurcon®. The seal can be installed in a standard O-ring groove.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
10 – 2,700 mm 60 MPa -45°C +200°C 15 m/s
0.400 – 105 in 8700 psi -50°F +390°F 50 ft/s

Zurcon® Glyd Ring® D | Hydraulic Piston Seals | Trelleborg

Zurcon® Glyd Ring® D is a double-acting seal consisting of a premium polyurethane Zurcon® Z13 seal ring and an elastomer O-Ring as the energizing element. The innovative D-shaped design optimizes contact pressure and the two special grooves incorporated keep an oil reservoir for adequate lubrication that minimizes heat generated by friction forces.

Features: DoubleActing and Reciprocating

Ø – Range Pressure Range Temp. range Velocity
— up to 60 MPa –30°C +110°C 0.5 m/s
— 8700 psi -22°F +230°F 1.6 ft/s

Zurcon® Glyd Ring® P | Hydraulic Piston Seals | Trelleborg

The double-acting Zurcon® Glyd Ring® P is a combination of a Zurcon® based material slipper-seal with a step cut and an energizing rectangular elastomer ring. The high strength of Zurcon® means there can be a two-times larger extrusion gap compared with Turcon® materials. The step cut in the ring is necessary for installation in closed grooves and to give flexibility to this very stiff material.

Features: DoubleActing, Oscillating, Reciprocating and Static

Ø – Range Pressure Range Temp. range Velocity
45 – 190 mm 50 MPa -30°C +110°C 1 m/s
1.75 – 7.5 in 7250 psi -20°F +230°F 3 ft/s

Zurcon® U-Cup | Hydraulic Piston Seals | Trelleborg

Zurcon® U-Cup is a single-acting polyurethane piston seal that is available in a wide range of sizes. The seal is suitable for assembly into closed grooves and mainly used in light-duty cylinder applications in mobile equipment.

Features: Reciprocating and SingleActing

Ø – Range Pressure Range Temp. range Velocity
14 – 250 mm 40 MPa -35°C +110°C 0.5 m/s
0.55-10 in 5800 psi -30°F +230°F 1.6 ft/s

 

shaft-seal-150

SEAL
dmr-wave-springs-multiturn-single

RETAIN
caplug-500

PROTECT
dryslide-150-2

SLIDE
DMR_SlottedShim_A-075-150x150

ALIGN
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