| Art No. | d (mm) | d1 (mm) | Q1 (mm) |
| S1708E87005 | 50 | 35 | 23 |
| S1708E87007 | 75 | 47 | 36 |
| S1708E87010 | 110 | 67 | 53 |
| S1708E87016 | 160 | 106 | 76 |
| S1708E45020 | 200 |
QTherm Acoustic Drainage System Elbow 87.5° fittings are specifically designed to facilitate smooth directional changes in noise-reducing drainage systems. Crafted with precision and durability in mind, these fittings ensure effective water flow redirection while minimizing noise transmission. The 87.5° angle offers flexibility in routing drainage pipelines around obstacles or corners, optimizing space utilization and installation efficiency. Engineered to seamlessly integrate with QTherm Acoustic Drainage System pipes and other fittings, these elbows feature a socket connection for secure and straightforward assembly. Whether for residential, commercial, or industrial applications, QTherm Acoustic Drainage System Elbow 87.5° fittings deliver reliable performance, noise reduction benefits, and ease of installation, making them essential components of modern drainage solutions.
| Art No. | d (mm) | d1 (mm) | Q1 (mm) |
| S1708E87005 | 50 | 35 | 23 |
| S1708E87007 | 75 | 47 | 36 |
| S1708E87010 | 110 | 67 | 53 |
| S1708E87016 | 160 | 106 | 76 |
| S1708E45020 | 200 |

Quantum Industries is based in Ras Al Khaimah, United Arab Emirates, and serves clients across the UAE and surrounding regions with high-performance architectural solutions.