Hydraulic Piston Seals

KDAS combination seal features a toothed NBR sealing ring, PU back-up rings, and wear rings for high durability. Handles up to 35Mpa and -35 to 150°C. Ideal for hydraulic cylinders in injection molding, forklifts, and agricultural machinery.

OK type compact piston seal rated for 80MPa (800 bar) working pressure. Features high-grade POM sealing ring with NBR O-ring for excellent durability, impact resistance, and low friction. Suitable for petroleum, flame-retardant, and bio-oils. Temperature range -30 to +110°C. Easy installation with open design.

Robust double-acting compact piston seal with PTFE ring and elastomer energizer. Offers low friction, high wear and extrusion resistance for variable pressure applications. Ideal for excavators, presses, and heavy duty cylinders. Custom sizes available.

KL34 single acting piston seal features a thermoplastic polyurethane ring with notched design to prevent hydrodynamic pressure. Offers good dynamic/static sealing, high extrusion resistance, and long service life. Ideal for heavy duty cylinders and mobile machinery.

KL39 is a four piece double acting heavy duty piston seal with TPE profile ring, NBR energizer, and thermoplastic backup rings. Offers high wear and extrusion resistance for rough surfaces. Ideal for mining and heavy duty cylinders. Custom sizes available.

KL43 compact set is a 5-piece piston seal with elastomer sealing ring, two thermoplastic backup rings, and two POM guide rings. Offers good sealing performance, compact design, and easy installation. Suitable for standard industrial cylinders. Available in NBR material with sizes from 28.57mm to 203.2mm.

KL49 double acting piston seal with PTFE sealing ring and NBR energizer. Designed for heavy duty cylinders, it offers high extrusion resistance, low friction, and long service life. Ideal for hydraulic presses, injection molding, and marine hydraulics.

High-performance double acting piston seal with NBR profile, TPE support rings, and glass-reinforced PA guide rings. Offers ultimate extrusion resistance, higher temperature tolerance, and enhanced load bearing for long-stroke cylinders in agricultural and construction machinery.

KL38 compact piston seal set includes sealing ring, O-ring, and 2 guiding rings for double-acting cylinders. Made of durable PU, it offers easy installation, economical sealing, and reliable performance in agricultural and industrial applications. Custom sizes available.

KL28 three piece double acting compact seal features a fabric reinforced elastomeric sealing element and two thermoplastic guide backup rings. Offers high wear resistance, long service life, and stick-slip free operation for heavy duty mining, marine, and industrial hydraulics.

KL30 five-piece compact seal set delivers superior static/dynamic sealing with low friction. Features elastomeric seal, thermoplastic backup rings, and guide rings. Ideal for agricultural, construction, and mobile machinery. NBR material, bore sizes 20-125mm. Economical, easy installation, long service life.

KL44 is a three-piece compact piston seal set with fabric impregnated sealing ring and thermoplastic guide rings. Offers superior abrasion resistance, high performance in water-based fluids, and long service life. Ideal for mining, steel, and marine hydraulics.

KL41 piston seals feature a Z-cut thermoplastic ring and rectangular elastomer energizer for reliable sealing at low and high pressures. Glass-filled material offers high wear resistance, long service life, and superior extrusion gap tolerance. Ideal for construction machinery, forklifts, and heavy duty cylinders. ISO 7425/1 compliant.

KL35 single acting piston seal combines a low-friction PTFE sealing ring with an elastomer O-ring energizer for reliable dynamic and static sealing. Designed per ISO 7425/1, it offers high extrusion resistance, long service life, and suitability for high speeds and frequencies. Ideal for hydraulic cylinders, injection molding machines, and construction equipment. Available in a wide range of metric sizes.

KL46 compact piston seal with NBR profile ring, thermoplastic support rings, and glass-reinforced POM guide rings. Offers superior sealing, low friction, and high load-bearing for forklifts and mobile machinery. Available in 25–300mm bore sizes.

KL32 double-acting compact seal with simple elastomer and guide ring design. Easy installation, economical solution for agricultural machinery and low pressure industrial cylinders. Available in NBR with bore sizes from 25mm to 200mm.

KL45 is a high-pressure three-piece compact piston seal set with fabric NBR sealing ring and POM guide rings. Offers superior abrasion resistance, safe operation in water-based fluids, and long service life. Ideal for mining, steel, and marine hydraulics.

KL51 double acting PTFE piston seal with elastomer energizer. Low friction, high sealing performance, long service life, and good extrusion resistance. Ideal for cranes, forklifts, and construction machinery. Custom sizes available.

KL50 double acting piston seal features PTFE profile ring, X-ring and dual O-ring energizers for enhanced sealing. Ideal for liquid-gas systems, it offers low friction, high chemical resistance, and long service life. Available in bore sizes 40-450mm.

KL42 3-piece compact piston seal with fabric-reinforced NBR sealing ring and POM guide rings. Superior abrasion resistance, low leakage, and long service life. Ideal for mining, steel, and marine hydraulics. Custom sizes available.