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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
SPNC Rod Seal
SPNC Rod Seal

SPNC Rod Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPNC Rod Seal is a PTFE and O-ring energized seal designed for hydraulic cylinder rods. It provides low friction, smooth operation, wear resistance and stable sealing performance. Suitable for high speed and high pressure hydraulic applications.

SPNC Rod Seal

KDAS Piston Seal
KDAS Piston Seal

KDAS Piston Seal

Max pressure

40MPa

Temp range

-35℃ +100℃

Max speed

0.5m/s

KDAS Piston Seal is a compact double-acting hydraulic seal designed for hydraulic cylinders under high pressure conditions. Its integrated sealing structure provides excellent leakage control, wear resistance and stability. Our KDAS seals are suitable for excavators, mobile machinery and industrial hydraulic systems, with customized solutions

KDAS Piston Seal

GSF Piston Seal
GSF Piston Seal

GSF Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

GSF Piston Seal, also known as Glyd Ring piston seal, combines a PTFE sealing ring with an elastomer energizer to achieve reliable dynamic sealing. It offers low friction, smooth operation and long service life for double-acting hydraulic cylinders. Widely used in industrial equipment, mobile hydraulics and precision machinery.

GSF Piston Seal

SPGW Piston Seal
SPGW Piston Seal

SPGW Piston Seal

Max pressure

50MPa

Temp range

-30℃ +100℃

Max speed

1.5m/s

SPGW Piston Seal is a double acting hydraulic piston seal designed with PTFE sealing material and elastomer energizer. It provides stable sealing performance, low friction and long service life in high pressure hydraulic cylinders. SPGW seals are widely used in construction machinery, industrial hydraulics and mobile equipment.

SPGW Piston Seal

SPG Piston Seal
SPG Piston Seal

SPG Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPG Piston Seal is a hydraulic cylinder sealing element designed for reliable reciprocating motion. It offers excellent pressure resistance, low leakage and wear resistance for hydraulic systems. SPG seals are widely used in construction machinery, industrial equipment and mobile hydraulics.

SPG Piston Seal

AQ2 Piston Seal
AQ2 Piston Seal

AQ2 Piston Seal

Max pressure

40MPa

Temp range

-30℃ +200℃

Max speed

2m/s

AQ2 Piston Seal is a combined hydraulic seal designed for double acting cylinders. The seal structure with elastomer energizer provides stable sealing force and long service life under high pressure conditions. AQ2 seals are widely used in construction machinery, industrial equipment and hydraulic systems.

AQ2 Piston Seal

AQ5 Piston Seal
AQ5 Piston Seal

AQ5 Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

3m/s

AQ5 Piston Seal is a double acting hydraulic seal with dual elastomer energizer structure. It provides strong sealing force, high pressure resistance and long service life for hydraulic cylinders. AQ5 seals are suitable for construction machinery, industrial equipment and heavy duty hydraulic systems.

AQ5 Piston Seal

GNT Piston Seal
GNT Piston Seal

GNT Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

GNT Piston Seal is a high performance hydraulic seal designed for reciprocating cylinder applications. Its optimized sealing structure provides stable sealing force, low leakage and long service life. GNT seals are widely used in hydraulic systems, construction machinery and industrial equipment.

GNT Piston Seal

GSD Piston StepSeal
GSD Piston StepSeal

GSD Piston StepSeal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

GSD Piston Seal is a dynamic hydraulic sealing element designed for reciprocating cylinder applications. Its optimized structure provides reliable sealing force, low leakage and long service life. GSD seals are widely used in hydraulic equipment, construction machinery and industrial systems.

GSD Piston StepSeal

OMKS Piston Seal
OMKS Piston Seal

OMKS Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

OMKS Piston Seal is a compact hydraulic sealing element designed for reliable cylinder operation. Its composite structure provides good sealing performance, wear resistance and long service life under pressure conditions. OMKS seals are widely used in hydraulic equipment and industrial systems.

OMKS Piston Seal

OK Piston Seal
OK Piston Seal

OK Piston Seal

Max pressure

50MPa

Temp range

-30℃ +110℃

Max speed

1m/s

OK Piston Seal is a compact hydraulic sealing element designed for hydraulic cylinders. Its simple structure provides reliable sealing, wear resistance and long service life during reciprocating motion. OK seals are widely used in construction machinery, industrial equipment and hydraulic systems.

OK Piston Seal

SPGC Piston Seal
SPGC Piston Seal

SPGC Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPGC Piston Seal is a compact sealing solution for hydraulic and pneumatic cylinders. Its PTFE ring and NBR energizer reduce sliding resistance and stick-slip while improving wear life. The profile fits standard O-ring grooves and saves installation space.

SPGC Piston Seal

SPGO Piston Seal
SPGO Piston Seal

SPGO Piston Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPGO Piston Seal is a compact double acting seal for hydraulic cylinders. Its PTFE sealing ring and NBR O-ring energizer provide low friction, smooth motion and good wear resistance. It helps reduce stick-slip and delivers stable sealing in reciprocating applications.

SPGO Piston Seal

GDKK Piston Seal
GDKK Piston Seal

GDKK Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

GDKK Piston Seal combines sealing, support and guide elements in one compact assembly. Designed for double acting hydraulic cylinders, it offers stable sealing, wear resistance and reliable guidance for construction machinery and industrial hydraulic systems.

GDKK Piston Seal

GGDA Piston Seal
GGDA Piston Seal

GGDA Piston Seal

Max pressure

45MPa

Temp range

-30℃ +100℃

Max speed

1m/s

GGDA Piston Seal is a compact captive slide and O-ring seal for hydraulic cylinder pistons. Its PTFE-bronze slide ring is energized by an O-ring and supported by two L-rings, providing low friction, smooth motion, wear resistance and reliable anti-extrusion protection.

GGDA Piston Seal

GKDF Piston Seal
GKDF Piston Seal

GKDF Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

GKDF Piston Seal combines a sealing ring, elastic energizer and two guide rings in one compact assembly. It provides bidirectional sealing, stable piston guidance and wear resistance for high pressure hydraulic cylinders in construction and industrial equipment.

GKDF 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

GSJ Rod Seal is a single acting hydraulic rod seal with a PTFE sealing ring and O-ring energizer. It offers low friction, high wear resistance and stable sealing performance. Suitable for high pressure hydraulic cylinders and reciprocating applications.

GSJ Rod Step Seal

GES V Packing Seal
GES V Packing Seal

GES V Packing Seal

Max pressure

60MPa

Temp range

-40℃ +200℃

Max speed

0.5m/s

GES V Packing Seal consists of multiple V-rings with support and pressure rings. Its pressure-responsive lips provide reliable sealing under changing loads. Designed for demanding hydraulic cylinders, it offers good wear resistance, durability and easy maintenance.

GES V Packing Seal

GSI Rod Seal
GSI Rod Seal

GSI Rod Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

GSI Rod Seal is a PTFE and O-ring energized seal designed for hydraulic cylinder rods. It offers low friction, excellent wear resistance and stable sealing performance. Suitable for high pressure hydraulic systems and reciprocating applications.

GSI Rod Seal

OMSS Rod Step Seal
OMSS Rod Step Seal

OMSS Rod Step Seal

Max pressure

60MPa

Temp range

-30℃ +100℃

Max speed

5m/s

OMSS Rod Seal combines a PTFE profile ring with an elastomer preload ring. Designed for large-diameter and heavy-duty hydraulic cylinders, it provides high pressure resistance, low friction, strong wear resistance and stable sealing during reciprocating motion.

OMSS Rod Step Seal

SPN Rod Seal
SPN Rod Seal

SPN Rod Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPN Rod Seal is a single acting hydraulic rod seal for reciprocating motion. It offers stable sealing performance, low friction and long service life. Suitable for hydraulic cylinders used in construction machinery, industrial equipment and mobile hydraulics.

SPN Rod Seal

SPNO Rod Seal
SPNO Rod Seal

SPNO Rod Seal

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

SPNO Rod Seal is a PTFE and O-ring energized hydraulic rod seal for reciprocating applications. It offers low friction, stable sealing, high wear resistance and long service life. Suitable for hydraulic cylinders, excavators and mobile hydraulic equipment.

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

2K Rod Seal is designed for dynamic hydraulic cylinder applications. Its profile ring and O-ring energizer provide reliable sealing, low friction, minimal breakout force and smooth motion without stick-slip. It fits compact closed grooves.

2K Rod Step Seal

GGDI Rod Seal
GGDI Rod Seal

GGDI Rod Seal

Max pressure

45MPa

Temp range

-30℃ +100℃

Max speed

1.5m/s

GGDI Rod Seal is a compact PTFE and O-ring rod seal with two support rings. It offers low friction, excellent wear resistance, anti-extrusion performance and stable sealing for high pressure hydraulic cylinders and reciprocating applications.

GGDI Rod Seal

GSZ2 Wiper Seal
GSZ2 Wiper Seal

GSZ2 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

GSZ2 Wiper Seal is designed for hydraulic and pneumatic cylinder rods in dusty, cold or high-frequency applications. Its double-lip PTFE profile removes dirt from the rod while controlling the remaining oil film. The O-ring energizer maintains stable contact and reliable wiping performance.

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

PT1 Wiper Seal
PT1 Wiper Seal

PT1 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

PT1 Wiper Seal is a three-piece hydraulic cylinder wiper with a PTFE profile ring and two O-ring energizers. Its wiping edge removes external contaminants, while the sealing edge improves system sealing. The low-friction design supports smooth, reliable reciprocating motion.

PT1 Wiper Seal

PT2 Wiper Seal
PT2 Wiper Seal

PT2 Wiper Seal

Max pressure

Temp range

-30℃ +200℃

Max speed

5m/s

PT2 Wiper Seal is a double acting hydraulic wiper designed for heavy duty applications. Its PTFE profile ring and dual O-ring design provide excellent dirt exclusion, low friction and stable wiping performance. Suitable for presses, steel equipment and large hydraulic cylinders.

PT2 Wiper Seal

GNS Rotary Seal
GNS Rotary Seal

GNS Rotary Seal

Max pressure

30MPa

Temp range

-30℃ +200℃

Max speed

1m/s

GNS Rotary Seal is a double acting seal for rotating and oscillating hydraulic applications. Its PTFE sealing ring and elastomer O-ring provide low friction, good wear resistance and stable sealing. Suitable for rotary joints, swivels, shafts and hydraulic equipment.

GNS Rotary Seal

GRS Rotary Seal
GRS Rotary Seal

GRS Rotary Seal

Max pressure

30MPa

Temp range

-30℃ +200℃

Max speed

1m/s

GRS Rotary Seal is a PTFE and O-ring energized seal for rotating and oscillating applications. It offers low friction, excellent wear resistance and stable sealing performance. Suitable for rotary shafts, rotary joints, swivels and hydraulic equipment.

GRS Rotary Seal

GRDA Rotary Seal
GRDA Rotary Seal

GRDA Rotary Seal

Max pressure

36MPa

Temp range

-36℃ +100℃

Max speed

0.5m/s

GRDA Rotary Seal is a double acting seal for rotary and oscillating hydraulic applications. Its PTFE sealing ring and O-ring energizer provide stable sealing, low friction and excellent wear resistance. Suitable for rotary joints, shafts, swivels and hydraulic equipment.

GRDA Rotary Seal

JRDI Rotary Seal
JRDI Rotary Seal

JRDI Rotary Seal

Max pressure

36MPa

Temp range

-36℃ +100℃

Max speed

0.5m/s

GRDI Rotary Seal combines a sealing thrust ring, elastic energizer and two support rings. Its inside-sealing design fits compact rotary feed units and provides reliable fluid separation, low friction and stable performance under high pressure and low peripheral speed.

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

JDVE and JDVL are single-acting spring energized face seals for static and slow-moving applications. The two profiles cover internal and external pressure arrangements. Their PTFE jacket and metal spring provide strong initial sealing, chemical resistance and stable performance across a wide temperature range.

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

JPVA Spring Energized Seal features a PTFE sealing jacket energized by a corrosion resistant metal spring. It offers low friction, wear resistance, chemical compatibility and stable sealing from low to high pressure. Suitable for valves, pumps, hydraulic systems and precision equipment.

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

JRVA Spring Energized Seal is a single-acting rod seal for reciprocating applications. Its PTFE jacket and stainless steel spring maintain sealing contact while reducing friction and stick-slip. Suitable for valves, pumps, separators and hydraulic equipment.

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

JTVM Spring Energized Seal is a single acting rotary shaft seal for hydraulic and industrial equipment. Its PTFE jacket and stainless steel spring maintain stable contact, reduce friction and resist chemicals. Suitable for chemical, pharmaceutical and food processing systems.

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

WEPO Spring Energized Seal is a single acting PTFE rotary shaft seal. Its extension spring maintains dynamic lip contact, while the outer FKM O-ring provides static housing sealing and helps prevent twisting. Suitable for hydraulic oil, water emulsions and hot air.

WEPO Spring Energized Seals

O-ring
O-ring

O-ring

Max pressure

32MPa

Temp range

-35℃ +200℃

Max speed

O-Ring is a circular elastomer seal designed to prevent fluid or gas leakage between mating parts. Its compact profile provides reliable static and dynamic sealing in hydraulic cylinders, valves, pumps, fittings and industrial machinery. Custom sizes are available.

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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