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AS2 U-CUP

Movement

kc seals reciprocating

Reciprocating

Duty

Medium Pressure

Action

kc seals single

Single

Description:

The AS2 unloaded U-Cup is an asymmetric rod seal. This seal is specifically designed with a second lip on the inner diameter engineered to attain maximum life and reliability in dynamic rod sealing applications. The additional sealing lip helps in the reduction of leakage, decreases friction and substantially increases stability.

The AS2 U-Cup's sealing geometry can be modified to help increase seal-ability and decrease friction depending on the application requirements. Please speak to one of our technical sales staff for more information This email address is being protected from spambots. You need JavaScript enabled to view it..

Features:
  • High extrusion resistance
  • Good sealing stability
  • No adhesion effect on sliding surface, even after a long standstill
  • Resistant to pressure spikes and diesel effect,  providing a longer service life
Applications:
  • Bulldozers
  • Cranes
  • Construction Equipment
  • Agricultural Equipment
  • Mobile Arm Trucks
  • Injection Molding Machines
  • Hydraulic Presses
  • General Cylinders
Technical Data

Material:

Nitrile/FKM/HNBR/Urethane

Material Code:

0101/0201/0120/2001

Note: Alternative materials are available upon request

Temperature:

-40°C to +120°C
-40°F to +250°F

FKM

-26°C to +204°C
-15°F to +400°F

-40°C to +150°C
-40°F to +320°F

-54 ºC to +105 ºC
-65 ºF to +220 ºF

Speed:

1.5 ft/s

Pressure:

7,200 psi (up to 10,000 with added back-up ring)

Media:

Chemical compatibility chart

Note: All parameters can vary depending on the specific application, please take the above information as a general guideline. Should you have any concerns please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it.

Hardware Design Guidelines & Part Numbers

Radial clearances: inch"

      
Pressure 1000 PSI 3000 PSI 5000 PSI 6000 PSI
Max Diametrical Gap 0.032" 0.015" 0.012" 0.009"

Note: Max Diametrical Gap can vary depending on what material is chosen, as well as the temperature and media of the application. Please contact our sales department for more info This email address is being protected from spambots. You need JavaScript enabled to view it.

Surface finish: µinch

Roughness DepthMating SurfaceGroove Surface
Rmax 40-160 <625
RzDin 25-100 <400
Ra 4-16 <63

 

as2 u cup1

as2 u cup2

Note: The sizes listed below are all standard profile dimensions, K.C. Seals can and does manufacturer to non-standard housing dimensions.

Style Part #Groove Width DRod Diameter CHousing Diameter ACAD File
AS2 0.218 0.625 0.875 cad icon
AS2 0.156 0.750 1.000 cad icon
AS2 0.281 0.750 1.000 cad icon
AS2 0.156 0.875 1.125 cad icon
AS2 0.218 0.875 1.250 cad icon
AS2 0.281 0.875 1.250 cad icon
AS2 0.156 1.000 1.250 cad icon
AS2 0.218 1.000 1.250 cad icon
AS2 0.406 0.937 1.438 cad icon
AS2 0.281 1.000 1.500 cad icon
AS2 0.343 1.125 1.500 cad icon
AS2 0.406 1.125 1.500 cad icon
AS2 0.281 1.125 1.625 cad icon
AS2 0.281 1.250 1.750 cad icon
AS2 0.343 1.250 1.750 cad icon
AS2 0.406 1.375 2.000 cad icon
AS2 0.343 1.500 2.000 cad icon
AS2 0.343 1.625 2.125 cad icon
AS2 0.281 1.750 2.125 cad icon
AS2 0.343 1.875 2.250 cad icon
AS2 0.406 1.875 2.375 cad icon
AS2 0.281 2.000 2.375 cad icon
AS2 0.281 2.000 2.500 cad icon
AS2 0.343 2.000 2.500 cad icon
AS2 0.406 2.000 2.625 cad icon
AS2 0.406 2.125 2.625 cad icon
AS2 0.406 2.000 2.750 cad icon
AS2 0.531 2.000 2.750 cad icon
AS2 0.406 2.250 2.875 cad icon
AS2 0.343 2.500 2.875 cad icon
AS2 0.406 2.375 3.000 cad icon
AS2 0.281 2.500 3.000 cad icon
AS2 0.406 2.625 3.125 cad icon
Style Part #Groove Width DRod Diameter CHousing Diameter ACAD File
AS2 0.406 2.750 3.375 cad icon
AS2 0.406 3.000 3.500 cad icon
AS2 0.406 3.000 3.625 cad icon
AS2 0.406 3.000 3.750 cad icon
AS2 0.531 3.250 3.875 cad icon
AS2 0.406 3.500 4.000 cad icon
AS2 0.406 3.500 4.250 cad icon
AS2 0.620 3.750 4.250 cad icon
AS2 0.406 3.625 4.375 cad icon
AS2 0.281 4.000 4.500 cad icon
AS2 0.531 4.000 4.625 cad icon
AS2 0.406 4.000 4.750 cad icon
AS2 0.531 4.250 5.000 cad icon
AS2 0.594 4.500 5.000 cad icon
AS2 0.406 4.500 5.125 cad icon
AS2 0.531 4.500 5.250 cad icon
AS2 0.531 4.500 5.375 cad icon
AS2 0.406 4.750 5.500 cad icon
AS2 0.594 5.000 5.500 cad icon
AS2 0.531 4.875 5.625 cad icon
AS2 0.620 5.520 5.750 cad icon
AS2 0.781 5.000 6.000 cad icon
AS2 0.656 5.750 6.500 cad icon
AS2 0.656 6.000 6.750 cad icon
AS2 0.531 6.500 7.250 cad icon
AS2 0.620 6.750 7.250 cad icon
AS2 0.531 7.000 7.750 cad icon
AS2 0.656 7.000 7.750 cad icon
AS2 0.720 7.000 8.000 cad icon
AS2 0.781 7.000 8.000 cad icon
AS2 0.656 9.000 10.000 cad icon
AS2 0.656 10.000 11.000 cad icon
AS2 0.781 12.000 13.000 cad icon