Comparing MAGNAPLAST 45° external sewer elbow 110 mm model 20120 with alternative fittings from the same manufacturer shows that all products are designed for drainage systems and share a 110 mm diameter (except for one 200 mm model). The primary differences lie in their intended installation environment (internal or external drainage), bend angles (ranging from 15° to 87°), acoustic insulation properties, and connection types, determining their suitability for specific piping configurations.
⚙️ The technical specification comparison covers the fitting application type (external or internal drainage), pipe diameter, bend angle, and special design features such as sound attenuation.
| Comparison parameter | MAGNAPLAST 45° external sewer elbow 110 mm model 20120 | MAGNAPLAST 45° internal sewer elbow HTB 110 mm (model 11020) | External Sewer Bend 15° MAGNAPLAST 110 mm (model 20100) | MAGNAPLAST internal 87° sewer elbow dBB 110 mm (model 15750) | External sewer coupling MAGNAPLAST KGU 200 mm (model 23180) | Low-noise internal sewer elbow MAGNAPLAST Kolano 30° UdBB 110 mm (model 146430) | Practical significance |
|---|
| System type | External drainage | Internal drainage | External drainage | Internal drainage | External drainage | Internal drainage | Determines resistance to external loads or indoor environmental suitability |
| Diameter | 110 mm | 110 mm | 110 mm | 110 mm | 200 mm | 110 mm | Ensures compatibility with matching pipe dimensions |
| Bend angle | 45° | 45° | 15° | 87° | Direct connection (0°) | 30° | Defines the redirection trajectory of the pipeline |
| Special features | Standard elbow | Standard elbow | Gentle angle | dBB sound insulation | Coupling without angle change | Low noise UdBB | Affects acoustic comfort or flow smoothness |
◎ The usage scenarios and buyer needs comparison helps determine the most appropriate component for a specific piping setup.
| Use case | Recommended product | Why |
|---|
| Medium-angle redirection in external drainage | MAGNAPLAST 45° external sewer elbow 110 mm model 20120 | Suited for external networks with a 110 mm diameter and a 45-degree turn. |
| Redirection in internal drainage at the same angle | MAGNAPLAST 45° internal sewer elbow HTB 110 mm (model 11020) | Designed for indoor building installations requiring a similar turning angle. |
| Minor alignment adjustment in external piping | External Sewer Bend 15° MAGNAPLAST 110 mm (model 20100) | The 15-degree angle allows smooth correction of external pipe direction. |
| Sharp redirection in indoor stacks with noise reduction | MAGNAPLAST internal 87° sewer elbow dBB 110 mm (model 15750) | Provides nearly a 90-degree turn indoors while reducing noise transmission. |
| Joining large 200 mm diameter pipes | External sewer coupling MAGNAPLAST KGU 200 mm (model 23180) | Acts as a straight coupling for repairing or connecting larger-sized pipes. |
| Internal pipe routing with reduced noise and a 30° angle | Low-noise internal sewer elbow MAGNAPLAST Kolano 30° UdBB 110 mm (model 146430) | Ideal for indoor areas where acoustic isolation and a slight bend are needed. |
The main difference of MAGNAPLAST 45° external sewer elbow 110 mm model 20120 is its focus on external drainage systems with a 45-degree bend and a 110 mm diameter. This fitting is optimal for outdoor or underground installations, whereas alternative options target indoor environments, different bend angles, sound insulation, or alternative pipe diameters. Choose this model when you need a reliable turn in an external drainage main.
