{"product_id":"rock-solid-heavy-duty-cast-iron-concentric-reducer","title":"Rock Solid Heavy Duty Cast Iron Concentric Reducer Coupling With Flanged Connection, 6 By 5 Inch, Black Coating, Built Like A Tank For Straight Up Fire Suppression And Tight Plumbing Runs","description":"\u003cdiv\u003eDurable Cast Iron Concentric Pipe Reducer For Plumbing\u003cbr\u003e\n✔️ Class 125 rating, 175 psi limit, -20 to 150F range, 6x5 size \u003cp\u003eThis package includes one concentric reducer coupling that joins pipes of varying diameters while keeping the centerline aligned. It comes ready for tight plumbing runs and commercial sprinkler setups. The faced and drilled flanges allow fast bolt-on installation without welding. You typically route these pieces through mechanical rooms or underground utility trenches where reliable water delivery matters.\u003c\/p\u003e ✅ Flange drilled for quick bolt alignment during rough framing\u003cbr\u003e\n✅ Black protective finish resists surface rust on wet joints\u003cbr\u003e\n✅ UL listed and FM approved for certified fire suppression loops\u003cbr\u003e\n✅ ASME B16 standard compliant across residential and industrial grades\u003cbr\u003e \u003cp\u003e💡 What factors matter most when sizing cast iron reducers for fire sprinkler mains?\n\u003cbr\u003e\nPicking the correct reducer coupling saves time and keeps your piping runs handy through tight spots. Here is how to make sure everything lines up without a headache.\n\u003cbr\u003e\n- Match the class rating to your local building codes before drilling holes\u003cbr\u003e\n- Account for thermal expansion when routing lines near heating equipment\u003cbr\u003e\n- Confirm flange hole patterns align with standard pipe thread measurements\n\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49242599194859,"sku":"VXB01HG20B7Q","price":1677.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/vxb.com\/products\/rock-solid-heavy-duty-cast-iron-concentric-reducer","provider":"VXB Bearings","version":"1.0","type":"link"}