{"product_id":"b-k-schedule-40-3-4-in-mip-x-1-2-in-d-mip-polyethylene-1-1-2-in-close-nipple","title":"B\u0026K Schedule 40 3\/4 in. MIP X 1\/2 in. D MIP Polyethylene 1-1\/2 in. Close Nipple","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eB\u0026amp;K Schedule 40 3\/4 in. MIP x 1\/2 in. MIP Polyethylene 1-1\/2 in. Close Nipple\u003c\/strong\u003e is a compact, durable plumbing fitting designed for quick, reliable size transitions in pressure piping. This 1-1\/2 inch long close nipple connects a 3\/4 inch MIP male thread to a 1\/2 inch MIP male thread, making it ideal for tight spaces where a direct size change is needed without additional fittings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features that matter in real-world installs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEnd connections:\u003c\/strong\u003e 3\/4 in. MIP to 1\/2 in. MIP (male iron pipe threads) for straightforward integration with standard piping components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and type:\u003c\/strong\u003e Polyethylene construction with Schedule 40 profile delivers a robust, corrosion-resistant path for pressure applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1-1\/2 inches, enabling compact transitions in confined spaces such as utility rooms, basements, or crawl spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePressure and temperature:\u003c\/strong\u003e Rated for up to 345 psi and temperatures up to 140°F, making it suitable for typical potable water and low- to mid-temperature applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ANSI-certified, with NSF-listed quality assurance for safe, code-compliant installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage details:\u003c\/strong\u003e Sold as a single close nipple, ready for immediate use in your project.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this polyethylene close nipple stands out\u003c\/h3\u003e\n\u003cp\u003eCompared to metal alternatives, this B\u0026amp;K polyethylene close nipple offers practical advantages for modern plumbing and irrigation systems: lighter weight for easier handling, excellent corrosion resistance, and compatibility with standard MIP-threaded components. Its Schedule 40 profile ensures predictable flow characteristics and alignment with other schedule-40 fittings, reducing the need for additional adaptors.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConnecting a 3\/4\" water supply line to a 1\/2\" branch in residential or commercial piping runs where space is limited.\u003c\/li\u003e \u003cli\u003eTransitioning between different pipe sizes in pressure-rated systems such as outdoor filtration lines, cold-water distribution, or irrigation manifolds.\u003c\/li\u003e \u003cli\u003eRepairs or upgrades where a compact, readily available MIP-to-MIP adapter reduces the footprint of the installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse a thread sealant rated for plastic\/PVC piping on male threads; avoid over-tightening to prevent thread damage.\u003c\/li\u003e \u003cli\u003eEnsure clean, dry threads before assembly for a reliable seal and to minimize leaks.\u003c\/li\u003e \u003cli\u003eVerify that system pressure and temperature stay within the 345 psi and 140°F ratings to maintain long-term performance.\u003c\/li\u003e \u003cli\u003eConsult applicable local codes or a licensed plumber if you're uncertain about compatibility with potable water or specific fluids.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e B\u0026amp;K\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyethylene\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSchedule:\u003c\/strong\u003e 40\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd 1:\u003c\/strong\u003e 3\/4 in. MIP\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd 2:\u003c\/strong\u003e 1\/2 in. MIP\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 1-1\/2 in.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Pressure:\u003c\/strong\u003e 345 psi\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Temperature:\u003c\/strong\u003e 140°F\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNSF Listed:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eANSI Certified:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber in Package:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor projects requiring a reliable, compact size transition within pressure piping, the B\u0026amp;K Schedule 40 3\/4 in. MIP x 1\/2 in. MIP Polyethylene 1-1\/2 in. Close Nipple delivers predictable performance, easy handling, and code-compliant safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"B\u0026K","offers":[{"title":"Default Title","offer_id":52205046792466,"sku":"4112447","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4112447_A.eps_High.jpg?v=1776467654","url":"https:\/\/nationalhardwaregroup.com\/products\/b-k-schedule-40-3-4-in-mip-x-1-2-in-d-mip-polyethylene-1-1-2-in-close-nipple","provider":"National Hardware Group","version":"1.0","type":"link"}