{"product_id":"armstrong-105210-011-cast-iron-pump-flange-2","title":"Armstrong 105210-011 Cast Iron Pump Flange 2\"","description":"\u003cp\u003eThe pump flange provides a sturdy, leak‑resistant connection between a pump and the surrounding piping in hydronic heating systems. The **105210-011** is cast from iron and designed for a 2‑inch interface, ensuring a secure fit and long‑lasting reliability.\u003c\/p\u003e\u003cp\u003eEngineered with a full‑circle, bolted flange design, it distributes pressure evenly around the pump shaft and creates a tight seal when fastened with matching bolts. The cast‑iron body resists corrosion and can handle the high temperatures typical of boiler loops.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Strength:\u003c\/strong\u003e Cast iron construction offers high pressure tolerance and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Integrity:\u003c\/strong\u003e Precision‑machined 2\" face ensures a leak‑free connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e Iron alloy treated for extended service life in humid environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial and residential boiler loops, chill‑water pumps, and any hydronic system requiring a 2\" cast‑iron pump flange replacement.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43118561132638,"sku":"105210-011","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/105210_011_image_70474db5-cb6f-47cd-ab6a-e64e744d3892.jpg?v=1785976617","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-105210-011-cast-iron-pump-flange-2","provider":"National Boiler Supply","version":"1.0","type":"link"}