{"product_id":"8-in-150-cast-iron-companion-flange-77933","title":"8 in. 150# Cast Iron Companion Flange | 77933","description":"\u003cp\u003eThe 8 in. cast iron companion flange (part \u003cstrong\u003e77933\u003c\/strong\u003e) adapts threaded pipe to flanged connections — thread it onto pipe and bolt it to a flanged valve, pump, strainer, or piece of equipment. 150 lb pressure class, cast iron construction. Companion flanges are the standard way to install wafer-style butterfly and check valves on threaded pipe systems.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e77933\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Type\u003c\/td\u003e\n\u003ctd\u003eCompanion flange, threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Class\u003c\/td\u003e\n\u003ctd\u003e150 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eNeed bolt-circle, bolt-hole, or thickness dimensions for your installation? \u003ca style=\"color:#FE8C03\" href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e and we will confirm dimensional details against the manufacturer drawing before you order.\u003c\/p\u003e\n\u003cdiv class=\"series-sizes\"\u003e\n\u003ch3\u003eOther Sizes in This Series\u003c\/h3\u003e\n\u003cp\u003e150# Cast Iron Companion Flange, threaded (1-1\/4\"–8\"; no 2\" made in this class). Jump to another size or add it straight to your cart:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePrice\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCart\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-4-in-150-cast-iron-companion-flange-77932\"\u003e1-1\/4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77932\u003c\/td\u003e\n\u003ctd\u003e$67.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743551303895:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/1-1-2-in-150-cast-iron-companion-flange-77840\"\u003e1-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77840\u003c\/td\u003e\n\u003ctd\u003e$98.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743550451927:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/2-1-2-in-150-cast-iron-companion-flange-77842\"\u003e2-1\/2 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77842\u003c\/td\u003e\n\u003ctd\u003e$160.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743550484695:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/3-in-150-cast-iron-companion-flange-77843\"\u003e3 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77843\u003c\/td\u003e\n\u003ctd\u003e$151.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743550517463:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/4-in-150-cast-iron-companion-flange-77845\"\u003e4 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77845\u003c\/td\u003e\n\u003ctd\u003e$251.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743550550231:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/products\/6-in-150-cast-iron-companion-flange-77846\"\u003e6 in.\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e77846\u003c\/td\u003e\n\u003ctd\u003e$814.99\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color:#FE8C03\" href=\"\/cart\/48743550582999:1\"\u003eAdd to cart\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e8 in. (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77933\u003c\/td\u003e\n\u003ctd\u003e$2,219.99\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cp\u003eMounting wafer butterfly valves and double-door wafer check valves on threaded pipe runs, connecting threaded steel or iron pipe to flanged pumps and strainers, and transitioning between threaded and flanged piping in HVAC, water distribution, and general industrial systems. Pair two flanges to sandwich a wafer-style valve.\u003c\/p\u003e\n\u003ch2\u003eCross-References \u0026amp; Interchange\u003c\/h2\u003e\u003cp\u003eReplacing an existing 8 in. 150 lb threaded companion flange? Match nominal size, pressure class, and material for a direct fit — or send us your part number and we will confirm the interchange.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\u003cp\u003eIn stock — ships direct from the manufacturer, typically 1–3 business days.\u003c\/p\u003e\n\u003ch2\u003eTechnical Resources\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/how-to-install-wafer-butterfly-valve\"\u003eHow to Install a Wafer Butterfly Valve Between Flanges\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/butterfly-valve-selection-guide-wafer-lug-flanged\"\u003eButterfly Valve Selection Guide: Wafer vs. Lug vs. Flanged\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca style=\"color:#FE8C03\" href=\"\/pages\/check-valve-types-explained\"\u003eCheck Valve Types Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":48743551336663,"sku":"77933","price":2219.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/apexflowsolutions.com\/products\/8-in-150-cast-iron-companion-flange-77933","provider":"Apex Flow Solutions","version":"1.0","type":"link"}