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Piston Seals

Piston Seals

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Hydraulic Seals

Guiding Elements and Guiding Tapes

Piston Seals

Piston Seals: Precision Engineered for Uncompromised Performance

Our piston seals are meticulously designed to deliver exceptional sealing efficiency and long-lasting reliability across diverse industrial applications. Engineered with high-performance materials and advanced manufacturing techniques, they effectively prevent fluid leakage, maintain pressure stability, and withstand extreme operating conditions—from high temperatures to aggressive media.

Piston Seals
Prodoucts List
KDAS Piston Seal
KDAS Piston Seal

KDAS Piston Seal

Max pressure

Temp range

-35℃ +100℃

Max speed

0.5m/s

Used in industrial and walking equipment in the press drive cylinder, support cylinder and working cylinder on the double acting piston.

KDAS Piston Seal

GSF Piston Seals
GSF Piston Seals

GSF Piston Seals

Max pressure

50MPa

Temp range

-30℃ +110℃

Max speed

1m/s

OK-type piston seals are mainly used for heavy-duty hydraulic equipment, which are especially applicable for double-acting piston.The applicable working pressure of such seals is up to 50MPa and can be higher under some circumstances.

GSF Piston Seals

SPGW Piston Seal
SPGW Piston Seal

SPGW Piston Seal

Max pressure

50MPa

Temp range

-30℃ +100℃

Max speed

1.5m/s

Used for hydraulic reciprocating motion systems; heavy-duty bidirectional piston seals under high-pressure condition. It is especially applicable for long stroke and extensive fluids and high temperature occasions, and also applicable to larger piston clearance.

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 used sliding material is filled with PTFE, and such seals have very low friction and thus can eliminate crawling to guarantee high abrasion resistance.Since single seal has a bidirectional sealing capability, the installation space can be eliminated.

SPG Piston Seal

AQ2 Piston Seal
AQ2 Piston Seal

AQ2 Piston Seal

Max pressure

40MPa

Temp range

-30℃ +200℃

Max speed

2m/s

Such sealing reserves both the low friction, high-pressure resistant and high-speed features of F-PTFE and possesses sealing characteristics of rubber. It is applicable to some occasions of high-speed, high-pressure and pressure maintaining.

AQ2 Piston Seal

AQ5 Piston Seal
AQ5 Piston Seal

AQ5 Piston Seal

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

3m/s

JAQ5 piston sealing ring is star-ring elastomer installed on the dynamic sealing surface with limited contact point, to realize the separation and sealing between two Medium.

AQ5 Piston Seal

GNT Piston Seals
GNT Piston Seals

GNT Piston Seals

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

Used for hydraulic system, reciprocating motion and bidirectional piston seal under high pressure, low pressure and high-frequency working conditions.

GNT Piston Seals

GSD Piston Seals
GSD Piston Seals

GSD Piston Seals

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

Used for hydraulic system, reciprocating motion and bidirectional piston seal under high pressure, low pressure and high-frequency working conditions. Apply to the conditions of long and short stroke and occasions of larger range fluid and high temperature

GSD Piston Seals

GSF-S Piston Seals
GSF-S Piston Seals

GSF-S Piston Seals

Max pressure

60MPa

Temp range

-30℃ +200℃

Max speed

5m/s

It is a double combined ring composed of a PTFE rectangular section slip ring and a rectangular ring acting as loading elements. Apply to the hydraulic cylinder piston sealing systems of heavy duty machinery or metallurgical equipment, such as hydraulic machine and injection molding machine.

GSF-S Piston Seals

OK Piston Seal
OK Piston Seal

OK Piston Seal

Max pressure

50MPa

Temp range

-30℃ +110℃

Max speed

1m/s

OK-type piston seals are mainly used for heavy-duty hydraulic equipment, which are especially applicable for double-acting piston. The applicable working pressure of such seals is up to 50MPa and can be higher under some circumstances.

OK Piston Seal

SPGC Piston Seals
SPGC Piston Seals

SPGC Piston Seals

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

Getting application of force from an elastomeric O-ring, difunctional sealings can be mounted in existing O- ring grooves and show good friction characteristics, with no crawling start or excellent dry friction performance.

SPGC Piston Seals

SPGO Piston Seals
SPGO Piston Seals

SPGO Piston Seals

Max pressure

35MPa

Temp range

-30℃ +200℃

Max speed

1.5m/s

This is a kind of standard combined seals used in large scale applications, and it has the same performance with SPG.

SPGO Piston Seals

JDKK Piston Seal
JDKK Piston Seal

JDKK Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

JDKK combined sealing ring is consisted of sealing ring, elastic ring, two check rings and two guide sleeves. The guide sleeve plays the role of positioning and guiding; the elastic ring provides pre-tightening force and compensates the wear of the sealing ring;

JDKK Piston Seal

JGDA Piston Seal
JGDA Piston Seal

JGDA Piston Seal

Max pressure

45MPa

Temp range

-30℃ +100℃

Max speed

1m/s

JGDA is a combined sealing ring which is consisted of one sealing ring, two L-type POM or PA support rings and one O-ring with force application. The support ring plays the role of supporting and guiding to ensure tight sealing environment.

JGDA Piston Seal

JKDF Piston Seal
JKDF Piston Seal

JKDF Piston Seal

Max pressure

45MPa

Temp range

-30℃ +200℃

Max speed

1m/s

JKDF combined sealing ring is consisted of sealing ring,elastic ring and two guide sleeves.The guide sleeve plays the role of positioning and guiding; the elastic ring provides pre-tightening force and compensates the wear of the sealing ring;

JKDF Piston Seal

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