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Information about our rotary joints
For several years, high-quality rotary unions have been an integral component of advanced slurry spreaders designed for drag hose systems. These rotary unions, developed and manufactured in-house, are essential for seamless nutrient delivery. Sold independently under the brand Alrena rotary joints, these components stand out for their exceptional stability and strength compared to similar products in the market. Available in three sizes, namely 5", 4", and 3", these robustly constructed rotary unions feature built-in roller bearings, a specialized design for attaching coupling components, and are made from hardened steel.
Dimension in mm
| Type | A | B | C | D | E |
|---|---|---|---|---|---|
| 3" | 75 | 160 | 130 | BSP G3" thread | M10x1.5 |
| 4" | 100 | 177 | 152 | BSP G4" thread | M10x1.5 |
| 5" | 125 | 210 | 180 | BSP G5" thread | M10x1.5 |
Alrena Rotary Joints
Rotary Joints
Alrena Rotary Joints are used for the connection of the slurry supply.
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Very robust construction
Equipped with roller bearings
Special design for mounting parts
Hardened steel
Innovation specialist in manure
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