{"product_id":"stz-industries-3-in-fip-each-x-3-in-d-fip-galvanized-malleable-iron-coupling","title":"STZ Industries 3 in. FIP each X 3 in. D FIP Galvanized Malleable Iron Coupling","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the STZ Industries 3 in. FIP x 3 in. FIP Galvanized Malleable Iron Coupling — a purpose-built connector that confidently joins two 3-inch female iron pipe threads. Crafted from durable malleable iron and finished with galvanized protection, this coupling is designed to stand up to real-world use in water supply, irrigation, and heavy-duty plumbing projects.\u003c\/p\u003e \u003cp\u003eKey reasons this coupling stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo 3 in. FIP ends\u003c\/strong\u003e — precisely engineered to connect two 3\" female iron pipe threads for a secure, leak-resistant join.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial excellence\u003c\/strong\u003e — malleable iron with a galvanized finish delivers superior strength, thread integrity, and corrosion resistance in moist environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable performance\u003c\/strong\u003e — rated for a maximum of 300 (pressure) and up to 150 (temperature), making it suitable for typical residential and light commercial piping needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead-free construction\u003c\/strong\u003e — designed with safety in mind for potable water applications, aligning with modern plumbing standards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical packaging\u003c\/strong\u003e — bagged packaging protects the fitting during transit and storage, ensuring it arrives ready to install.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhere it shines in real-world use\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConnecting two sections of 3\" FIP piping in water supply lines, irrigation mains, or repair work where a durable, corrosion-resistant coupling is required.\u003c\/li\u003e \u003cli\u003eRetrofits and renovations in commercial or residential settings where a robust, long-lasting joint is essential.\u003c\/li\u003e \u003cli\u003eProjects that demand a dependable, threaded connection that performs under moderate pressure and temperatures without compromising safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this STZ coupling distinct from simpler fittings is the combination of malleable iron’s machinability with a galvanizing finish that extends service life in damp environments. The result is a dependable, straightforward solution for joining large-diameter pipes where a strong, threaded connection matters.\u003c\/p\u003e \u003cp\u003eInstallation tips for a solid, leak-free fit: ensure threads are clean, apply an appropriate thread sealant (such as PTFE tape or pipe dope), and tighten to manufacturer-recommended snugness. After installation, perform a quick pressure test to confirm a tight seal and inspect for any leaks.\u003c\/p\u003e \u003cp\u003eDesigned for professionals and serious DIYers alike, this coupling is an ideal choice when you need a sturdy, 3 in. FIP to 3 in. FIP connection that you can count on day in and day out. STZ Industries delivers a fitting that pairs practical, field-ready performance with the reliability you expect from galvanized malleable iron.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stz Industries","offers":[{"title":"Default Title","offer_id":52185035047186,"sku":"4290326","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4290326_A.eps_High.jpg?v=1775767070","url":"https:\/\/nationalhardwaregroup.com\/products\/stz-industries-3-in-fip-each-x-3-in-d-fip-galvanized-malleable-iron-coupling","provider":"National Hardware Group","version":"1.0","type":"link"}