{"product_id":"160mm-45-degree-bend-galvanised-spiral-duct-red8-6","title":"160mm 45 Degree Bend Galvanised Spiral Duct RED8-6","description":"\u003cdiv style=\"font-size:16px;font-family:Arial,sans-serif;color:#222;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eRED8\/6\u003c\/strong\u003e is a \u003cstrong\u003e160mm 45° bend for galvanised spiral ducting\u003c\/strong\u003e, providing a \u003cstrong\u003egentler direction change\u003c\/strong\u003e than a full 90° elbow while keeping airflow resistance lower. Manufactured from \u003cstrong\u003egalvanised steel to DW144 specification\u003c\/strong\u003e, both ends are \u003cstrong\u003emale\u003c\/strong\u003e and slip directly into the female ends of SPIR160 duct lengths — making it a useful option for angled offsets, gradual route changes, or for pairing two bends to achieve a 90° turn with reduced pressure drop.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;justify-content:space-around;background:#e6f4f3;border-radius:6px;padding:8px 4px;margin:18px 0;\"\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003e160mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eDiameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003e45°\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eBend Angle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003eMale\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eBoth Ends\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003eGalvanised Steel\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eMaterial\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003eDW144\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eManufacturing Spec\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#e6f4f3;border-left:4px solid #005c54;padding:12px 16px;margin:14px 0;border-radius:0 4px 4px 0;font-size:.95em;\"\u003e\n\u003cstrong\u003eLower Resistance Option:\u003c\/strong\u003e Using \u003cstrong\u003etwo RED8\/6 45° bends in sequence\u003c\/strong\u003e achieves a 90° direction change with \u003cstrong\u003elower total pressure drop\u003c\/strong\u003e than a single 90° elbow (SPIRB160\/90) — useful where fan performance, noise, or system static pressure is a concern.\u003c\/div\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:16px 0;\"\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003e45° Low-Resistance Turn\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eProvides a \u003cstrong\u003egradual 45° direction change\u003c\/strong\u003e in a 160mm spiral duct run, introducing less airflow resistance than a full 90° elbow.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eMale Spigots Both Ends\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eBoth 160mm ports are \u003cstrong\u003emale\u003c\/strong\u003e, slipping directly into the female ends of SPIR160 duct lengths for quick assembly without additional connectors at these joints.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eGalvanised Steel to DW144\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eManufactured from \u003cstrong\u003egalvanised steel to HVCA\/BESA DW144 specification\u003c\/strong\u003e, matching the build standard of the rest of the 160mm spiral range.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eFlexible Routing\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eUse singly for a \u003cstrong\u003egentle angular offset\u003c\/strong\u003e, or pair two bends to create a 90° turn with reduced combined pressure drop versus a single 90° bend.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eSmooth Pressed Body\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eThe pressed bend profile keeps the \u003cstrong\u003einternal airflow path smooth\u003c\/strong\u003e, helping to limit turbulence-related noise and pressure loss.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eSystem-Wide Compatibility\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eCompatible with the \u003cstrong\u003ecomplete 160mm galvanised spiral range\u003c\/strong\u003e — straight duct, tees, reducers, connectors, and insulated flexible hose.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.92em;margin:16px 0;\"\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eReference\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eRED8\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eBend Angle\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003e45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eEnd Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eMale both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eGalvanised mild steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eManufacturing Standard\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eHVCA \/ BESA DW144\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eFixing Method\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eSelf-drilling screws or pop rivets at each port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eUse With\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eSPIR160 — 160mm female-ended spiral duct lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eWhen should I use a 45° bend instead of a 90° bend?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eChoose the 45° bend where you want to \u003cstrong\u003ereduce airflow resistance and noise\u003c\/strong\u003e at a change of direction, or where the building layout calls for a gentler offset rather than a full right-angle turn.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eHow many 45° bends are needed for a 90° turn?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eTwo RED8\/6 bends in sequence give the equivalent of a 90° direction change, typically with \u003cstrong\u003elower combined pressure drop\u003c\/strong\u003e than a single 90° bend (SPIRB160\/90).\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eHow does the bend connect to straight duct lengths?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eBoth ends are \u003cstrong\u003emale\u003c\/strong\u003e and insert directly into the \u003cstrong\u003efemale ends of SPIR160 duct lengths\u003c\/strong\u003e. Secure with self-drilling screws or rivets and seal as required for the system's airtightness class.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eCan this bend be used on both supply and extract sides?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eYes — the SPIRT160 range and associated bends are suitable for \u003cstrong\u003eboth supply and extract duct runs\u003c\/strong\u003e in general ventilation, MVHR, and MEV systems.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"AIZO - Quality Heating","offers":[{"title":"Default Title","offer_id":64982458663261,"sku":"RED8-6","price":29.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/160mm45DegreeBendGalvanisedSpiralDuctRED8-6.jpg?v=1781536780","url":"https:\/\/qualityheating.co.uk\/products\/160mm-45-degree-bend-galvanised-spiral-duct-red8-6","provider":"AIZO Quality Heating","version":"1.0","type":"link"}