{"product_id":"sigma-811081819-malleable-iron-galvanized-coupling-4-in","title":"Sigma 811081819 Malleable Iron Galvanized Coupling 4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SIGMA 811081819 is a 4-inch nominal malleable iron galvanized coupling designed for joining pipe sections in industrial and commercial piping systems. Constructed from malleable iron with a galvanized finish, this coupling provides corrosion resistance in demanding environments. It is a standard threaded pipe fitting used by licensed plumbers and pipefitters in a wide range of mechanical and process piping applications where a reliable, durable connection is required.\u003c\/p\u003e\u003cp\u003eThis coupling is suited for use in commercial and industrial piping installations, including water distribution, gas distribution, and general mechanical systems where 4-inch nominal malleable iron fittings are specified. The galvanized coating makes it appropriate for wet or moderately corrosive service conditions. It follows standard pipe fitting configurations common to both new construction and retrofit work.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-inch nominal size for use with standard 4-inch pipe\u003c\/li\u003e\n\u003cli\u003eMalleable iron construction provides strength and impact resistance\u003c\/li\u003e\n\u003cli\u003eGalvanized finish offers corrosion protection in wet service environments\u003c\/li\u003e\n\u003cli\u003eThreaded coupling design for secure, leak-resistant pipe connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement fitting for 4-inch nominal malleable iron threaded piping systems in commercial and industrial applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC or IFGC codes. Shut off and depressurize the piping system completely before removing existing fittings or installing new ones. Apply appropriate thread sealant or PTFE tape to male threads before assembly. Do not over-torque threaded connections, as this may crack the fitting body.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Size\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Malleable Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Galvanized\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SIGMA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 811081819\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":51525529141554,"sku":"GALCOUP4I-LF","price":63.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c6a7f4f8199367590c1f454891c461c1_1508ede8-7558-4e4b-9430-62563ef057a7.jpg?v=1785476401","url":"https:\/\/voomisupply.com\/products\/sigma-811081819-malleable-iron-galvanized-coupling-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}