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Product Details:
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| Rotation Direction: | Right-hand (R) (viewed From Shaft End) | Shaft Type: | Splined Shaft (SAE Standard) |
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| Port Connection: | VPA12N | Mounting Flange: | ISO 3019-2 |
| Weight: | 45 – 50 Kg | ||
| Highlight: | Rexroth hydraulic piston pump,German Rexroth piston pump,AA10VS0100DFR piston pump |
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| Parameter | Specification |
|---|---|
| Order Number | R910920969 |
| Model | AA10VSO100DFR/31R-VPA12N00 |
| Type | Variable displacement axial piston pump (swashplate design, open circuit) |
| Nominal Displacement | 100 cm³/rev |
| Control Type | DFR (Pressure Cut-off + Flow Control / Load Sensing) |
| Pressure Rating | 280 bar (Continuous) 350 bar (Peak, intermittent) |
| Speed Range | 1500 - 1800 rpm (Recommended) Max. speed 2000 - 2400 rpm (limited by inlet conditions) |
| Rotation Direction | Right-hand (R) (viewed from shaft end) |
| Shaft Type | Splined shaft (SAE standard) |
| Port Connection | VPA12N (SAE flange, side ports, no through-drive) |
| Mounting Flange | ISO 3019-2 (Series 31) |
| Seal Material | NBR (Standard for mineral oil) |
| Suitable Media | Mineral oils (HL, HLP), HLP-D, HVLP |
| Media Temperature | -20 °C to +80°C (Start-up viscosity < 1000 mm²/s) |
| Recommended Viscosity | 16 - 68 mm²/s (ISO VG 32-68) |
| Cleanliness Requirement | ISO 4406 20/18/15 or better |
| Weight | Approx. 45 - 50 kg |
DFR is a combined pressure-flow control with load sensing (LS).
No. The code N00 in VPA12N00 explicitly indicates no through-drive. The shaft does not extend through the rear cover, so you cannot mount a second pump (gear or piston) on the back of this unit. If you need a tandem pump configuration, you must order a variant with a through-drive code (e.g., ending in K...).
The DFR control has two adjustment screws (usually under caps on the control housing):
Always adjust under controlled conditions with a pressure gauge.
Yes. While the DFR control limits pressure, it is not a safety valve. You must install a separate system relief valve (e.g., a DB/DBW type) in the main line as a safety backup against control failure.
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