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Hydraulic Seals

Hydraulic Seals

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Hydraulic Seals

Guiding Elements and Guiding Tapes

Hydraulic Seals

Improving performance of hydraulic cylinders

Hydraulic applications are challenging for seals. Not only must the hydraulic seals prevent leakage of fluid from the cylinder, but hydraulic seals must also withstand high pressures, extreme temperatures and transverse forces within the cylinder.

Hydraulic Seals
Prodoucts List
KDAS Piston Seal
KDAS Piston Seal

KDAS Piston Seal

Max pressure

40MPa

Temp range

-35℃ +100℃

Max speed

0.5m/s

The KDAS double-acting piston seal in a robust five part assembly is designed specifically for one piece pistons in a wide range of medium duty applications. The seal is also suitable for two piece pistons.

KDAS Piston Seal

GSF Piston Seal
GSF Piston Seal

GSF Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

The GSF piston seals is a double-acting, o-ring energized, low-friction piston seal that performs well in both high- and low-pressure systems.

GSF Piston Seal

SPGW Piston Seal
SPGW Piston Seal

SPGW Piston Seal

Max pressure

50MPa

Temp range

-30℃ +100℃

Max speed

1.5m/s

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

SPGW Piston Seal

SPG Piston Seal
SPG Piston Seal

SPG Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

The SPG piston seal is a double-acting piston seal that performs well in both high- and low-pressure systems.

SPG Piston Seal

AQ2 Piston Seal
AQ2 Piston Seal

AQ2 Piston Seal

Max pressure

40MPa

Temp range

-30℃ +200℃

Max speed

2m/s

The AQ2 piston seal is a double-acting piston seal utilizing high-performance PTFE paired with an elastomer energizer and x-ring for optimum performance and durability.

AQ2 Piston Seal

AQ5 Piston Seal
AQ5 Piston Seal

AQ5 Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

3m/s

The AQ5 piston seal is a double-acting piston seal utilizing high- performance PTFE paired with twin premium o-ring energizers and an x-ring for optimum performance and durability.

AQ5 Piston Seal

GNT Piston Seal
GNT Piston Seal

GNT Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

The GNT piston seal 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.

GNT Piston Seal

GSD Piston StepSeal
GSD Piston StepSeal

GSD Piston StepSeal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

The GSD piston step seal is a single-acting, o-ring energized, low-friction piston seal especially useful where smooth movement and location accuracy is required.

GSD Piston StepSeal

GSF-S Piston Seal
GSF-S Piston Seal

GSF-S Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

The GSF-S piston seal is a chamfered, double-acting piston seal that performs well in both high- and low-pressure systems.

GSF-S Piston Seal

OK Piston Seal
OK Piston Seal

OK Piston Seal

Max pressure

50MPa

Temp range

-30℃ +110℃

Max speed

1m/s

The OK double acting piston seal design, with a filled PTFE face ring, provides the designer with a compact, low friction seal for light to medium duty hydraulic cylinders.

OK Piston Seal

SPGC Piston Seal
SPGC Piston Seal

SPGC Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

The SPGC piston seal is a double-acting low-friction piston seal solution for compact o-ring grooves, that extends the service range above what an o-ring alone is capable of supporting.

SPGC Piston Seal

SPGO Piston Seal
SPGO Piston Seal

SPGO Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

The SPGO piston seal is a double-acting, o-ring energized, low-friction piston seal designed for low- and medium-pressure systems

SPGO Piston Seal

JDKK Piston Seal
JDKK Piston Seal

JDKK Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

Combined with a seal ring, an O-Ring, and two guide sleeves used for guiding and positioning. O-Ring provides pre-loaded force and compensates the abrasion to the seal ring. The seal ring and the bore produce a sealing effect by combining a dual surface. Double sealing for hydraulic cylinder pistons.

JDKK Piston Seal

JGDA Piston Seal
JGDA Piston Seal

JGDA Piston Seal

Max pressure

45MPa

Temp range

-30℃ +100℃

Max speed

1m/s

The JGDA seal consists of 4 parts, a sharp edged sealing ring of PTFE-Bronze compound, 2 L-shaped support rings of POM and an O-Ring as energiser.It can be used with mineral oils and in modified form with water base fluids, fire resistant fluids, and compressed air.

JGDA Piston Seal

JKDF Piston Seal
JKDF Piston Seal

JKDF Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

Combined with a seal ring, an O-Ring, and two guide sleeves used for guiding and positioning. O-Ring provides pre-loaded force and compensates the abrasion to the seal ring. The seal ring and the bore produce a sealing effect by combining a dual surface. Double sealing for hydraulic cylinder pistons.

JKDF Piston Seal

GSJ Rod Step Seal
GSJ Rod Step Seal

GSJ Rod Step Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

For reciprocated hydraulic system. Possessing excellent performance in high, medium and low pressure and in high load, high frequency conditions. Especially suitable for long stroke. Especially suitable for long stroke.Applied to bigger rod diameter in fluids and under high pressure.

GSJ Rod Step Seal

GES Rod Seal
GES Rod Seal

GES Rod Seal

Max pressure

60MPa

Temp range

-40℃ +200℃

Max speed

0.5m/s

The GES rod seal is a vee pack rod seal for medium duty applications offering excellent performance and long life even under difficult operating conditions such as pressure surges, vibration and some misalignment.

GES Rod Seal

GSI Rod Seal
GSI Rod Seal

GSI Rod Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

The GSI rod sea is a double-acting, o-ring , low-friction rod seal that performs well in both high-and-low pressure systems. High-performance materials, provide outstanding wear and extrusion-resistance properties as well as large range of temperature and media compatibility.

GSI Rod Seal

GSJ-S Rod Step Seal
GSJ-S Rod Step Seal

GSJ-S Rod Step Seal

Max pressure

60MPa

Temp range

-30℃ +100℃

Max speed

5m/s

A double compact seal combines with a PTFE irregular section slide ring and a preloaded square ring. Especially suitable for bigger piston rod diameter and heavy load hydraulic cylinder sealing system under tough working conditions.

GSJ-S Rod Step Seal

SPN Rod Seal
SPN Rod Seal

SPN Rod Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

Same properties with SPNO. Applied to high pressure and high sliding speed conditions.

SPN Rod Seal

SPNO Rod Seal
SPNO Rod Seal

SPNO Rod Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

The SPNO rod seal is a double-acting, o-ring low-friction rod seal designed for low- and medium-pressure systems. High-performance materials, provide outstanding wear and extrusion-resistance properties as well as large range of temperature and media compatibility.

SPNO Rod Seal

2K Rod Step Seal
2K Rod Step Seal

2K Rod Step Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

For reciprocated hydraulic system. Possessing excellent performance in high, medium and low pressure and in high load, high frequency conditions. Especially suitable for long stroke.

2K Rod Step Seal

JGDI Rod Seal
JGDI Rod Seal

JGDI Rod Seal

Max pressure

45MPa

Temp range

-30℃ +100℃

Max speed

1.5m/s

The JGDI captive slide and O-Ring seal for inside sealing is a compact element for sealing piston rods. It can be used with mineral oils, water base fluids and in modified form with other fluids. It consists of 4 parts, a sharp edged sealing ring of PTFE compound, 2 L-shape support rings of POM(PA from Ø 400), and an O-Ring as energiser.

JGDI Rod Seal

GSZ2 Wiper Seal
GSZ2 Wiper Seal

GSZ2 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

The GSZ2 wiper seal is a double-acting, o-ring , rod wiper/excluder designed to include two different unique wiping lip geometries. The two lips combine to scrape debris from the rod and contain residual oil on rod extension, as well as allowing oil to pump back into the cylinder.

GSZ2 Wiper Seal

GSZ5 Wiper Seal
GSZ5 Wiper Seal

GSZ5 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

The GSZ5 wiper seal is a double-acting, o-ring energized, rod wiper/excluder designed to include two different unique wiping lip geometries. The two lips combine to scrape debris from the rod and contain residual oil on rod extension, as well as allowing oil to pump back into the cylinder.

GSZ5 Wiper Seal

JPT1 Wiper Seal
JPT1 Wiper Seal

JPT1 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

The JPT1 wiper seal is a double-acting, twin o-ring energized, rod wiper designed to include two different unique wiping geometries. The two lips combine to scrape debris from the rod and contain residual oil on rod extension, as well as allowing oil to pump back into the cylinder.

JPT1 Wiper Seal

JPT2 Wiper Seal
JPT2 Wiper Seal

JPT2 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

JPT2 dust-proof ring consists of one special-shaped ring with sealing edge and dust-proof edge and two O- rings as the preloaded elements; it has excellent dust scraping effect, low friction, without stick-slip phenomenon

JPT2 Wiper Seal

GNS Rotary Seal
GNS Rotary Seal

GNS Rotary Seal

Max pressure

30MPa

Temp range

-30℃ +200℃

Max speed

1m/s

The GNS rotary seal is a double-acting, o-ring energized, rotary swivel seal designed to be used to seal outer diameters of shafts, bores, swivels, and other applications with rotating or oscillating movement.

GNS Rotary Seal

GRS Rotary Seal
GRS Rotary Seal

GRS Rotary Seal

Max pressure

30MPa

Temp range

-30℃ +200℃

Max speed

1m/s

The GRS rotary seal is a double-acting, o-ring energized, rotary swivel seal designed to be used to seal inner diameters of shafts, rods, swivels, and other applications with rotating or oscillating movement.

GRS Rotary Seal

JRDA Rotary Seal
JRDA Rotary Seal

JRDA Rotary Seal

Max pressure

36MPa

Temp range

-36℃ +100℃

Max speed

0.5m/s

A filled PTFE seal ring, an energised O-Ring and two back-up rings compact seal. Special seal surface design to suit for high pressure and low viscosity. Concave back face design increases contact surface, prevents the seal ring rotating with the rod and shaft.

JRDA Rotary Seal

JRDI Rotary Seal
JRDI Rotary Seal

JRDI Rotary Seal

Max pressure

36MPa

Temp range

-36℃ +100℃

Max speed

0.5m/s

A filled PTFE seal ring, an energised O-Ring and two back-up rings compact seal. Special seal surface design to suit for high pressure and low viscosity.

JRDI Rotary Seal

JDVE, JDVL Spring Energized Seal
JDVE, JDVL Spring Energized Seal

JDVE, JDVL Spring Energized Seal

Max pressure

45MPa

Temp range

-55℃ +260℃

Max speed

For single acting, high pressure, static and outside pressure working conditions. Widely applied to varies static sealing and low speed sealing application.

JDVE, JDVL Spring Energized Seal

JPVA Spring Energized Seal
JPVA Spring Energized Seal

JPVA Spring Energized Seal

Max pressure

45MPa

Temp range

-55℃ +260℃

Max speed

15m/s

Reciprocated inside sealing system for tough working conditions, and suit for some special medium. Suits for applications requiring no stick-lip behavior, chemical resistance, resistant to most medium, such as valves, pumps, seperators, brakes and distribution devices, etc.

JPVA Spring Energized Seal

JRVA Spring Energized Seal
JRVA Spring Energized Seal

JRVA Spring Energized Seal

Max pressure

45MPa

Temp range

-55℃ +260℃

Max speed

15m/s

Reciprocated inside seal for tough working conditions, and suit for some special medium. Suits for applications requiring no stick-lip behavior, chemical resistance, resistant to most medium, such as valves, pumps, seperators, brakes and distribution devices, etc.

JRVA Spring Energized Seal

JTVM Spring Energized Seal
JTVM Spring Energized Seal

JTVM Spring Energized Seal

Max pressure

15MPa

Temp range

-55℃ +260℃

Max speed

2m/s

Single acting rotary seal for the axis of rotation. Widely applied to varies hydraulic systems. Besides, it is widely used in chemical, pharmaceutical and food industries due to its excellent compatibility of the seal ring and the spring.

JTVM Spring Energized Seal

WEPO Spring Energized Seals
WEPO Spring Energized Seals

WEPO Spring Energized Seals

Max pressure

4MPa

Temp range

-20℃ +205℃

Max speed

15m/s

Sealing ring: PTFE/carbon/graphite composite D32

WEPO Spring Energized Seals

O-ring
O-ring

O-ring

Max pressure

32MPa

Temp range

-35 +200℃

Max speed

Design O-Rings are a simple but very versatile seal. They are most commonly used for static applications, and for pressures over 1500 p.s.i are used with back up rings.

O-ring

YX-type Retaining Ring
YX-type Retaining Ring

YX-type Retaining Ring

Max pressure

Temp range

Max speed

YX-type Retaining Ring

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