6,000 psi Long Stroke Cylinders
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These long stroke 6,000 psi working pressure cylinders are designed for excavator boom and thumb applications, and other severe use high pressure applications.
Design features for extending operating life:
- Port closing cushion reduces impact at end of retract stroke.
- Step cut wear rings act as pressure buff ers as well as bearings.
- Step Lock piston seal provides the longest seal life when pressures exceed 7,000 psi.
- Urethane U-Seal between the head and barrel extend operating life over an O-Ring and back up ring.
- A Hallite 621 U-Seal with anti-extrusion ring provides for excellent rod seal life.
Quick Ship Sizes
| Bore Dia. | Rod Dia. | Max. Stroke | Max. Extend Force | Max. Retract Force | A | B | C |
|---|---|---|---|---|---|---|---|
| 4.025 | 2.750 | 42" | 191,000 lbs | 115,000 lbs | 5.00" | 5.95" | 7.12" |
| 5.025 | 3.500 | 48" | 248,000 lbs | 210,000 lbs | 6.25" | 7.45" | 8.75" |
| 6.025 | 4.000 | 60" | 427,900 lbs | 330,000 lbs | 7.25" | 8.90" | 10.03" |
Quick ship sizes built to fi t your application have short lead times, 3", 3-1/2", 4-1/2", 5-1/2", 6", 6-1/2", 7", 8", and 9" bore sizes are available in 4 to 6 weeks. Other sizes can be manufactured per request.
This information is subject to change without notice or obligation.
For more information call 360-264-2141.