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Lipped seal K21 series
polyurethaneNBRthermoplastic

Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic
Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic
Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic - image - 2
Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic - image - 3
Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic - image - 4
Lipped seal - K21 series - KASTAS SEALING TECHNOLOGIES - polyurethane / NBR / thermoplastic - image - 5
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Characteristics

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

Min.: -40 °C
(-40 °F)

Max.: 100 °C
(212 °F)

Pressure limit

Min.: 0 bar
(0 psi)

Max.: 150 bar
(2,175.6 psi)

Diameter

Min.: 2 mm
(0.079 in)

Max.: 500 mm
(19.685 in)

Outer diameter

Min.: 2 mm
(0.079 in)

Max.: 532 mm
(20.945 in)

Speed

0.5 m/s
(1.6 ft/s)

Description

K21 is a single acting symetrical u-cup that can be produced from polyurethane or elastomer material and can be used in the piston or rod applications. It is recommended for use in light duty cylinders. Advantages • Wide range of dimensions • Economical sealing solution • Good dynamic and static sealing • Good locking feature Area of Application • Standard industrial cylinders • Agricultural cylinders

Catalogs

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Hydraulic Rod 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.