Parker Pneumatic
2AJ / 2ANJ Series Heavy Duty NFPA Rodlock Air Cylinders
2AJ / 2ANJ Series Heavy Duty NFPA Rodlock Air Cylinders
Key Features
- 13 Standard mounting styles
- Bore sizes – 11/2" to 8"
- Strokes – up to 120"
- Piston Rod Diameters – 5/8" to 21/2"
- Working pressure up to 100 psi
- Single and double rod construction available
- Temperature range – -10°F (-23°C) to +165°F (+74°C) (depending on seal class)
Rod Lock Features
- True Bolt-on Modularity – the cylinder is built and tested as a stand alone unit. The Rod Lock is then assembled and tested at rated holding force.
- Large Rod Lock Clamping Surface – provides uniform force to the rod contact area. This allows holding forces to resist 100 psi input on the cylinder cap end for most bore and rod combinations.
- Spring-engaged, air-released operation – ensures positive holding in power-off situations with minimal air volume required for release.
- Manual release is standard – cam operated release disengages the Rod Lock with a simple turn of a hex bolt. The default-to-lock function springs back to the engaged position when released.
- Rod Lock is sealed to withstand harsh environments – NEMA 4X rating protects internal components from contamination
Benefits of using a piston Rod Lock include:
- Prevents rod movement upon release of stored energy
- Eliminates the need for pilot operated check valves for load holding
- Eliminates complicated piping between pilot operated check valves and the cylinder
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