{"product_id":"160mm-equal-tee-piece-galvanised-spiral-duct-spirt160","title":"160mm Equal Tee Piece Galvanised Spiral Duct SPIRT160","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\u003eSPIRT160\u003c\/strong\u003e is a \u003cstrong\u003e160mm equal tee piece for galvanised spiral ducting\u003c\/strong\u003e, providing a \u003cstrong\u003ethree-way branch connection\u003c\/strong\u003e in a 160mm metal duct system. All three ports are 160mm and \u003cstrong\u003emale\u003c\/strong\u003e, allowing the fitting to slip directly into the female ends of SPIR160 duct lengths. Manufactured from \u003cstrong\u003egalvanised steel to DW144 specification\u003c\/strong\u003e, the equal tee is the key fitting for branching a main duct run into two directions, or combining two branches into one — commonly used in MVHR, MEV, and general extract distribution systems.\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;\"\u003eAll Three Ports\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;\"\u003eEqual Tee\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003e3-Port Branch\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;\"\u003eAll Ports\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:#fff8e1;border-left:4px solid #c77a00;padding:12px 16px;margin:14px 0;border-radius:0 4px 4px 0;font-size:.95em;\"\u003e\n\u003cstrong\u003eAirflow Balancing:\u003c\/strong\u003e When branching a duct run with an equal tee, \u003cstrong\u003eairflow divides between the two branch legs\u003c\/strong\u003e according to their relative resistance. Account for this in your system design, and use balancing dampers at branch terminals if precise flow distribution is required.\u003c\/div\u003e\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\u003eConnecting to Duct Lengths:\u003c\/strong\u003e Each 160mm port on the SPIRT160 is \u003cstrong\u003emale\u003c\/strong\u003e and slips directly into the \u003cstrong\u003efemale end of a SPIR160 duct length\u003c\/strong\u003e — no separate connector is needed at this joint. Secure with self-drilling screws or rivets and seal as required.\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;\"\u003eThree-Port Equal Branch\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eProvides a \u003cstrong\u003e1-into-2 or 2-into-1 duct split\u003c\/strong\u003e in a single galvanised fitting — the standard component for branching a 160mm spiral duct run.\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;\"\u003eAll-Male Spigot Construction\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eAll three 160mm ports are \u003cstrong\u003emale\u003c\/strong\u003e, slipping directly into the female ends of SPIR160 duct lengths for a fast, tool-minimal connection at each port.\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 corrosion resistance and structural standard of the rest of the 160mm 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;\"\u003eBidirectional Use\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eThe equal tee can be used to \u003cstrong\u003esplit one run into two, or combine two runs into one\u003c\/strong\u003e, depending on the direction of airflow in your system design.\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;\"\u003eMVHR \u0026amp; MEV Branch Point\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eA core fitting for \u003cstrong\u003emulti-room MVHR distribution and centralised MEV systems\u003c\/strong\u003e, where a main spine duct branches to serve individual room terminals.\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 all \u003cstrong\u003e160mm galvanised spiral components\u003c\/strong\u003e — straight duct, bends, reducers, connectors, and insulated flexible hose via worm-drive clips.\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;\"\u003eSPIRT160\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 (all three ports)\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;\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eEqual tee — 3 × 160mm male ports\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;\"\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:#f0faf9;\"\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:#fff;\"\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:#f0faf9;\"\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 duct lengths and 160mm spiral fittings range\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;\"\u003eCan the equal tee be used to combine two duct runs into one?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eYes. The SPIRT160 is symmetrical and can function as either a \u003cstrong\u003e1-into-2 splitter or a 2-into-1 collector\u003c\/strong\u003e, depending on which direction air flows through the system.\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;\"\u003eDoes the tee come with connectors for the duct joints?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eNo — each port is \u003cstrong\u003emale\u003c\/strong\u003e and inserts directly into the female end of a SPIR160 duct length, so no separate connector is required at a tee-to-duct joint. Connectors (SPIRC160) are only needed for duct-to-duct (female-to-female) joints.\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 is the joint secured and sealed?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eOnce the male port is inserted into the female duct end, secure with \u003cstrong\u003eself-drilling screws or pop rivets\u003c\/strong\u003e through the overlap, then seal with foil tape or duct sealant if a higher airtightness class is required.\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;\"\u003eIs there a reducing tee available if my branch is a different diameter?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eThe SPIRT160 is an \u003cstrong\u003eequal tee — all three ports are 160mm\u003c\/strong\u003e. If your branch run needs to step down to a smaller diameter, fit a separate reducer (e.g. VEL12\/0016 for 160mm to 150mm) on the branch port after the tee.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"AIZO - Quality Heating","offers":[{"title":"Default Title","offer_id":64982291415389,"sku":"SPIRT160","price":79.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/160mmEqualTeePieceGalvanisedSpiralDuctSPIRT160.jpg?v=1781535478","url":"https:\/\/qualityheating.co.uk\/products\/160mm-equal-tee-piece-galvanised-spiral-duct-spirt160","provider":"AIZO Quality Heating","version":"1.0","type":"link"}