For Cylinder Type For Cylinder Type |
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For Use With For Use With |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Cylinder Seals
Rod wipers scrape dirt, dust, and moisture from the rod, preventing contamination inside your cylinder.
Rod seals maintain the pressure inside cylinders and prevent fluid from leaking out.
Wear rings guide the rod and piston to prevent uneven wear and optimize seal performance.
Head seals are a more reliable alternative to the standard O-ring/backup ring combination—they resist twisting and remain stable even in applications with fluctuating pressure.
Buffering seals protect hydraulic cylinders from pressure spikes and shock in high-pressure hydraulic applications.
Cushioning seals minimize wear and noise in air-powered cylinders by preventing the piston from slamming against the cylinder body.
Piston seals make a seal between their outside edge and the cylinder bore to prevent internal leaks.
Piston Cup Seals
These Buna-N seals are reinforced with cotton thread for strength.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
Seal | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Bore Dia. | ID | OD | Wd. | Max. Pressure, psi | Temp. Range, °F | Color | Each | |
Buna-N Rubber with Cotton Fabric Embedded Thread | ||||||||
| 1 1/2" | 0.375" | 1.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
| 1 1/2" | 0.750" | 1.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2" | 0.375" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2" | 0.500" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2" | 0.625" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2" | 0.750" | 2.000" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2 1/2" | 0.375" | 2.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 2 1/2" | 0.750" | 2.500" | 0.500" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 3" | 0.625" | 3.000" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 3" | 1.000" | 3.000" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 0000 |
| 3 1/2" | 0.750" | 3.500" | 0.625" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
| 5" | 1.000" | 5.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
| 6" | 0.500" | 6.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |
| 6" | 2.750" | 6.000" | 0.750" | 1,000 | -40° to 250° | Black | 0000000 | 00000 |