| Parameter | Size 3 | Size 4 | Size 5 | Size 6 | Size 7 |
|---|---|---|---|---|---|
| Displacement range (cm³/rev) | 3.6 – 10.2 | 13.3 – 32.6 | 33.1 – 64.9 | 64.1 – 126.2 | 125.8 – 251.7 |
| Flow rate at 1500 rpm (l/min) | 5.4 – 15.3 | 19.9 – 48.9 | 49.6 – 97.3 | 96.1 – 189.3 | 188.7 – 377.5 |
| Ambient temperature (°C) | -20 to +60 | ||||
| Fluid temperature (°C) | -20 to +80 | ||||
| Recommended viscosity (cSt) | 25 – 100 | ||||
| Mass — single pump (kg) | 4.0 – 4.8 | 8.6 – 11.0 | 15.5 – 18.7 | 29.2 – 35.0 | 46.5 – 59.0 |
Configuration Options
- Rotation direction: clockwise or counterclockwise
- Shaft end type: cylindrical keyed (standard); other shaft ends available upon request
- Hydraulic connections: SAE J518 flanged fittings
- Mounting flange: SAE J744 / ISO 3019-1
- Available with through-drive shaft for multi-pump configurations
- Seal material: NBR for mineral oil service; Viton front shaft seal on sizes 3–6
Fluid Requirements
Mineral oil based hydraulic fluids with anti-foam and antioxidant additives are recommended. Water glycol solutions (HFC, water content ≤ 40%) are permitted with reduced performance ratings of at least 20% and a maximum fluid temperature of 50°C. Phosphate ester fluids (HFD) are not permitted.
Installation Notes
The pump can be installed in any orientation. Suction line fluid velocity must not exceed 1 m/s (1.5 m/s with positive inlet pressure), with the suction line inlet positioned at least 50 mm below minimum oil level. The pump is self-priming across the full specified speed range. Air must be vented from the delivery line on first start-up. Use a flexible coupling for motor-pump connection, consult our technical team for installations involving axial or radial shaft loads.
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