Piston seal KGD 80x62x22,5

Double-acting piston seal KGD, dimensions 80×62×22.5 mm, manufactured by Aston Seals (Italy).
It consists of a sealing element made of NBR rubber with hardness 75 ShA, two anti-extrusion rings made of polyester resin SEALITE with hardness 63 ShD, and two guiding rings made of acetal resin BEARITE reinforced with glass fiber.
This configuration ensures reliable sealing, fluid control, and proper piston guidance inside hydraulic cylinders.

Design features:

• double-acting piston profile,

• three sealing lips providing stable sealing,

• anti-extrusion rings preventing rubber extrusion,

• guiding rings stabilizing the piston and balancing loads,

• easy installation on one-piece pistons.

Technical details:

• Inside diameter d: 62 mm (≈ 2.44 inch)

• Outside diameter D: 80 mm (≈ 3.15 inch)

• Groove diameter for guiding ring G: 76 mm (≈ 2.99 inch)

• Groove width for guiding ring A: 3.60 mm (≈ 0.14 inch)

• Housing width H: 22.5 mm (≈ 0.89 inch)

• Housing width including guides: 29.7 mm (≈ 1.17 inch)

• Operating temperature: –30°C to +110°C

• Max. pressure: up to 400 bar

• Max. speed: up to 0.5 m/s

• Media: mineral-based hydraulic oils