Technical data by series
- Pump displacement and pressure vary by specific model code. The most common 30 series (Standard/Heavy Duty) data are
Hydraulic HousePumps & MotorsKAZEL
KAZEL 3-Hole UNI Bi-Directional Gear Pump
Kazel 3-hole UNI bi-directional gear pump is used in truck hydraulics, for example on dump trucks and crane manipulators.
- Pump displacement and pressure vary by specific model code. The most common 30 series (Standard/Heavy Duty) data are
Key Parameters
| Displacement | Max. Continuous Pressure (Bar) | Max. Peak Pressure (Bar) | Max. Continuous Speed (Rpm)) |
|---|---|---|---|
| 17 cc/rev | 280 | 300 | 2300 rpm |
| 22 cc/rev | 260 | 280 | 2300 rpm |
| 34 cc/rev | 260 | 280 | 2300 rpm |
| 43 cc/rev | 250 | 270 | 1800 rpm |
| 61 cc/rev | 220 | 250 | 1800 rpm |
| 82 cc/rev | 180 | 210 | 1500 rpm |
- 01Its main advantages are directly related to its construction: a 3-hole mounting pattern, UNI-standard rear flange, and the ability to operate in both directions of rotation.
- 02Rotation versatility and simplified inventory
- 03Bi-directional operation: the pump can operate clockwise (CW) or counterclockwise (CCW). No internal modification or conversion is required.
- 04Inventory optimization: companies and service centers no longer need to purchase separate left- and right-rotation pumps. One model replaces two, saving costs.
- 05Universal compatibility: the pump easily fits the power take-off (PTO), regardless of the rotation direction of the truck gearbox shaft.
- 06Compact and standard mounting
- 07UNI 3-hole standard: the 3-bolt mount complies with traditional European standards, allowing the pump to be installed perfectly on old or new trucks without adapters.
- 08Direct connection: it mounts directly to the PTO, saving space and leaving free room for other chassis components.
- 09High durability and reliability
- 10Robust cast-iron body: Kazel manufactures these pumps from cast iron designed for heavy-duty conditions. They withstand high pressure, often up to 300 bar, protecting the system against sudden pressure spikes, such as when lifting a dump body.
- 11Operation at extreme temperatures: the pump operates stably from -40°C to +145°C, ensuring reliable performance in both severe winter and hot summer conditions.
- 12Simple hydraulic system
- 13Bi-directional ports (inlet/outlet): when the rotation direction changes, the oil-flow direction changes automatically as well. In some systems, this eliminates the need for additional complex directional valves.
- 14Protection against oil leakage: built-in special seals work effectively under load in both directions and prevent oil leakage under high pressure.
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