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Lipped seal K40 series
polyurethanethermoplasticV-ring

Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring
Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring
Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring - image - 2
Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring - image - 3
Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring - image - 4
Lipped seal - K40 series - KASTAS SEALING TECHNOLOGIES - polyurethane / thermoplastic / V-ring - image - 5
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Characteristics

Type
lipped
Material
polyurethane, thermoplastic
Configuration
V-ring, grooved
Application
piston, for cylinders
Other characteristics
hydraulic, single-acting
Temperature limit

Min.: -35 °C
(-31 °F)

Max.: 110 °C
(230 °F)

Pressure limit

Min.: 0 bar
(0 psi)

Max.: 400 bar
(5,801.5 psi)

Diameter

Min.: 8 mm
(0.315 in)

Max.: 210 mm
(8.268 in)

Outer diameter

Min.: 14 mm
(0.551 in)

Max.: 240 mm
(9.449 in)

Speed

0.5 m/s
(1.6 ft/s)

Description

K40 single acting piston seal consists of thermoplastic polyurethane ring, wihch avoids hydrodynamic pressure thanks to the notched design and thermoplastic POM backup ring. Advantages • Good dynamic and static sealing • Relief grooves against dynamic pressure • Long service life • High extrusion resistance • Thin oil film and very good locking feature Area of Application • Heavy duty cylinders • Mobile machinery • Scrap and metal industry • Long stroke cylinders

Catalogs

No catalogs are available for this product.

See all of KASTAS SEALING TECHNOLOGIES‘s catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

Eima International 2026
Eima International 2026

10-14 Nov 2026 Bologna (Italy) Hall 20 - Stand E/43

  • More information

    Other KASTAS SEALING TECHNOLOGIES products

    Hydraulic Piston Seals

    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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