Артикул: RX7288
2-way cartridge valves, directional functions LFT . H2 (high-pressure)
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Description
- High-pressure series
- Size 16 … 25
- Component series 3X
- Maximum operating pressure 1000 bar
- Maximum flow 3500 l/min
Features
- Stroke limitation (throttle function)
- Control cover with external pilot oil supply
- Control cover for set-up of directional and pressure valves
Product description
load errorType code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | ||
| LFT | H2 | – | 3X | / | 1000 | J3 | F |
| 01 | Control cover | LFT |
| 02 | Size 16 | 16 |
| Size 25 | 25 | |
| Additional sizes available on request | ||
| Version | ||
| 03 | Control cover with stroke limitation and pilot oil supply "X" | H2 |
| 04 | Component series 30 … 39 (30 … 39: unchanged installation and connection dimensions) | 3X |
| 05 | Maximum operating pressure 1000 bar | 1000 |
| Nozzle fitting 1) | ||
| 06 | Without nozzle (preferred) | no code |
| Nozzles in pilot oil channel | X** | |
| Corrosion resistance | ||
| 07 | Improved corrosion protection (240 h salt spray test according to EN ISO 9227) | J3 |
| Seal material (observe compatibility of seals with hydraulic fluid used, see "Technical data") | ||
| 08 | FKM seals (preferred) | F |
| (Other seal materials upon request) | ||
Notices:
- Stroke adjustment should only be used with reduced operating pressure.
- In case of mechanical blocking of the "closed" position, the spring chamber of the screw-in cartridge valve should be continuously supplied with pilot pressure. This way, the control spool of the screw-in cartridge valve is hydraulically pressed into basic position and the stroke adjustment provides additional mechanical protection against opening.
- If the screw-in cartridge valve is not hydraulically supplied in a mechanically closed position, the forces acting in opening direction may cause slight leakage at the seat due to settlement and despite mechanical clamping.
- A mechanically blocked "closed" position should either be released in depressurized condition or with a pressurized spring chamber to enable release of the adjustment spindle with reduced force.
- Nozzle fitting for adjustment of the actuating time must be realized in the block. Arrangement of two nozzles with sufficient distance in between is recommended.
- For further information on nozzles, see "Accessories".
Technical data
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