Skip to Content
Skip to Main Menu

O-Ring Calculator

Input
Size (mm)
Tolerance
Lower
Upper
Min. DimensionDim
Max. DimensionDim
Inside Diameter
a
Cross Section
b
Bore Diameter
c
Bore Diameter cannot be smaller than Rod Diameter.
Rod Diameter
d
Groove Diameter
e
Groove Diameter must be larger than Bore Diameter.
Groove Width
f
Groove Radius
g

Calculated Results
Min.
Max.
Squeeze (%)
Help

Squeeze %

Optimum range of compression is typically 8%-35%. For Dynamic seals, the upper limit of squeeze should be reduced to 20%.

Compression (mm)
Gap (mm)
Housing Fill (%)
Help

Housing Fill %

Housing fill should not exceed 85% to allow for expansion of material due to thermal and chemical effect.

Elongation on Installation (%)
Help

Elongation on Installation %

Installed stretch should be below 8%.

Reduction in Cross Section when Installed (%)
Installed Cross Section with Elongation (mm)
Groove Area (mm<sup>2</sup>)
Compression Outside
Help

Compression Outside

Circumferential compression above 3% may result in installation difficulties.

Compression Force (Newtons - estimated)
Eccentric Squeeze (%)
Help

Eccentric Squeeze %

Optimum range of compression is typically 8%-35%. For Dynamic seals, the upper limit of squeeze should be reduced to 20%.

Eccentric Squeeze Compression (mm)
Extrusion Gap
Key
Diameter
ISO
ISO 3601-1 Class B
Typ
Typical
Recom.
Recommended
Custom
Your own values
mm
Millimeters
N
Newtons
Outside of Recommendation
a
0.00 - 0.00mm
b
0.00 - 0.00mm
c
0.00 - 0.00mm
d
0.00 - 0.00mm
e
0.00 - 0.00mm
f
0.00 - 0.00mm
g
0.00 - 0.00mm
Input
Size (mm)
Tolerance
Lower
Upper
Min. DimensionDim
Max. DimensionDim
Inside Diameter
a
Cross Section
b
Bore Diameter
c
Bore cannot be smaller than Piston
Piston Diameter
d
Groove Diameter
e
Groove must be smaller than Piston
Groove Width
f
Groove Radius
g

Calculated Results
Min.
Max.
Squeeze (%)
Help

Squeeze %

Optimum range of compression is typically 8%-35%. For Dynamic seals, the upper limit of squeeze should be reduced to 20%.

Compression (mm)
Gap (mm)
Housing Fill (%)
Help

Housing Fill %

Housing fill should not exceed 85% to allow for expansion of material due to thermal and chemical effect.

Elongation on Installation (%)
Help

ELongation on Installation %

Installed stretch should be below 8%.

Reduction in Cross Section when Installed (%)
Installed Cross Section with Elongation (mm)
Groove Area (mm<sup>2</sup>)
Compression Outside
Help

Compression Outside

Circumferential compression above 3% may result in installation difficulties.

Eccentric Squeeze (%)
Help

Eccentric Squeeze %

Optimum range of compression is typically 8%-35%. For Dynamic seals, the upper limit of squeeze should be reduced to 20%.

Eccentric Squeeze Compression (mm)
Extrusion Gap
Key
Diameter
ISO
ISO 3601-1 Class B
Typ
Typical
Recom.
Recommended
Custom
Your own values
mm
Millimeters
N
Newtons
Outside of Recommendation
a
0.00 - 0.00mm
b
0.00 - 0.00mm
c
0.00 - 0.00mm
d
0.00 - 0.00mm
e
0.00 - 0.00mm
f
0.00 - 0.00mm
g
0.00 - 0.00mm
Input
Size (mm)
Tolerance
Lower
Upper
Min. DimensionDim
Max. DimensionDim
Inside Diameter
a
Cross Section
b
Groove Outside
c
Groove OD must always be larger than the ID
Groove Inside
d
Groove Depth
e
Groove Radius
f

Calculated Results
Min.
Max.
Squeeze (%)
Help

Squeeze %

Optimum range of compression is typically 8%-35%. For Dynamic seals, the upper limit of squeeze should be reduced to 20%.

Compression (mm)
Housing Fill (%)
Help

Housing Fill %

Housing fill should not exceed 85% to allow for expansion of material due to thermal and chemical effect.

Elongation on Installation (%)
Help

Elongation on Installation %

Installed stretch should be below 8%.

Groove Area (mm<sup>2</sup>)
Compression Outside
Help

Compression Outside

Circumferential compression above 3% may result in installation difficulties.

Key
Diameter
ISO
ISO 3601-1 Class B
Typ
Typical
Recom.
Recommended
Custom
Your own values
mm
Millimeters
N
Newtons
Outside of Recommendation
a
0.00 - 0.00mm
b
0.00 - 0.00mm
c
0.00 - 0.00mm
d
0.00 - 0.00mm
e
0.00 - 0.00mm
f
0.00 - 0.00mm

Disclaimer

The O-ring calculator tool is intended to form the basis of an o-ring installation, and assist with selection of o-ring and hardware dimensions. Recommendations are based on available technical information, and are offered as suggestions only, any reliance placed on such information by the user is strictly at the user’s risk. Ceetak recommends that any guidance provided, is reviewed and verified to the satisfaction of the user against the application parameters. Ceetak Ltd offers no express or implied warranties concerning the form, fit or function of a product in any application, and recommends that the customer conducts testing to confirm the suitability of any suggested product within their own application.


Decline
In association with
Parker
BVAA
Member of ADS
Member of EUSGA

Contact Us

By submitting this form, you are agreeing our Privacy Policy For more information see our Privacy Policy
Close Menu