{"product_id":"ay-mcdonald-72051s-sweat-y-pattern-swing-check-valve","title":"A.Y. McDonald 72051S Y-Pattern Swing Check Valve - No-Lead Bronze, Sweat x Sweat, 300 WOG","description":"\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-head\"\u003e\n\u003cdiv class=\"gs-eyebrow\"\u003eA.Y. McDonald Mfg. Co. · Y-Pattern Swing Check Valve\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003e72051S Y-Pattern Swing Check Valve\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003eNo-Lead bronze, sweat x sweat ends, 300 WOG\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\"\u003eNo-Lead Bronze\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e300 WOG\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eY-Pattern\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eSweat x Sweat\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eNSF\/ANSI 372 and 61\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e1\/2 in to 2 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eOverview\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cp\u003eThe A.Y. McDonald 72051S is a No-Lead bronze Y-pattern swing check valve with sweat x sweat ends, rated 300 WOG (non-shock). A.Y. McDonald builds its No-Lead low pressure valves from heavy-duty No-Lead bronze for residential and commercial applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e300 WOG (non-shock)\u003c\/li\u003e\n\u003cli\u003eY-pattern swing check\u003c\/li\u003e\n\u003cli\u003eNo-Lead bronze body, disc and bonnet\u003c\/li\u003e\n\u003cli\u003eDirectional: install with the flow arrow\u003c\/li\u003e\n\u003cli\u003eCertified to NSF\/ANSI 372 and NSF\/ANSI 61\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #C7CBD1;border-top:3px solid #B3122A;padding:12px 16px 12px;margin:16px 0 4px;font-size:13.5px;line-height:1.55;color:#4A4A4F\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#B3122A;margin-bottom:8px\"\u003eWhat Ships and What It Needs to Run\u003c\/div\u003e\n\u003cp style=\"margin:0\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eIncluded:\u003c\/strong\u003e one y-pattern swing check valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E1E3E6;border-left:3px solid #B8BDC4;padding:8px 14px;font-size:11.5px;color:#4A4A4F;margin-top:14px;line-height:1.5\"\u003eGenuine A.Y. McDonald equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-left:5px solid #B3122A;padding:15px 18px;margin-top:12px\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:15px;color:#B3122A;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px\"\u003e1-Year A.Y. McDonald Warranty\u003c\/div\u003e\n\u003cp style=\"margin:0;font-size:13.5px;color:#4A4A4F;line-height:1.55\"\u003eCovered for \u003cstrong\u003e1 year from the date of shipment from A.Y. McDonald’s factory\u003c\/strong\u003e under A.Y. McDonald’s published limited warranty, which applies to the products A.Y. McDonald manufactures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eNo-Lead bronze (C89844 MOD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eSweat x Sweat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolder ends\u003c\/td\u003e\n\u003ctd\u003eConform to ANSI B16.18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure rating\u003c\/td\u003e\n\u003ctd\u003e300 WOG (non-shock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteam rating (WSP)\u003c\/td\u003e\n\u003ctd\u003e125 WSP per the price list and catalog; the submittal lists 150 WSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature rating\u003c\/td\u003e\n\u003ctd\u003e180°F (submittal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow\u003c\/td\u003e\n\u003ctd\u003eDirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eNSF\/ANSI 372, NSF\/ANSI 61; complies with AB 1953\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead content\u003c\/td\u003e\n\u003ctd\u003eWeighted average of the wetted surface under 0.25% lead (A.Y. McDonald No-Lead definition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003e1\/2 in, 3\/4 in, 1 in, 1 1\/4 in, 1 1\/2 in, 2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:12.5px;color:#9B9EA3;margin-top:6px;line-height:1.55\"\u003eSource: A.Y. McDonald Plumbing Price List, effective 7-07-26, pp. 20-21; A.Y. McDonald Plumbing Catalog (1\/25), No-Lead Check Valves and Strainers, pp. 30-31; A.Y. McDonald 72051S submittal data sheet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eModels\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart No.\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eLength (L, in)\u003c\/th\u003e\n\u003cth\u003eHeight (H, in)\u003c\/th\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-254\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2 in\u003c\/td\u003e\n\u003ctd\u003e2.72\u003c\/td\u003e\n\u003ctd\u003e2.07\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-255\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 in\u003c\/td\u003e\n\u003ctd\u003e3.37\u003c\/td\u003e\n\u003ctd\u003e2.60\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-256\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003ctd\u003e4.09\u003c\/td\u003e\n\u003ctd\u003e2.91\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-257\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 1\/4 in\u003c\/td\u003e\n\u003ctd\u003e4.76\u003c\/td\u003e\n\u003ctd\u003e3.60\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-258\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 1\/2 in\u003c\/td\u003e\n\u003ctd\u003e5.43\u003c\/td\u003e\n\u003ctd\u003e4.13\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5421-259\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003ctd\u003e6.66\u003c\/td\u003e\n\u003ctd\u003e5.06\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gs-note\"\u003e\n\u003cstrong\u003eBefore You Order.\u003c\/strong\u003e Not for wastewater use. Install with the arrow in the direction of flow. Steam rating: A.Y. McDonald’s price list and catalog show 125 WSP, its submittal 150 WSP; we quote the lower figure.\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eMaterials of Construction\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eNo-Lead bronze (C89844 MOD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap\/bonnet\u003c\/td\u003e\n\u003ctd\u003eNo-Lead bronze (C89844 MOD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eNo-Lead bronze (C89844 MOD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt and pin\u003c\/td\u003e\n\u003ctd\u003eNo-Lead brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:12.5px;color:#9B9EA3;margin-top:6px;line-height:1.55\"\u003eFrom the A.Y. McDonald 72051S submittal data sheet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gs-contact\"\u003eFor engineering-led sizing and selection support or a factory submittal, email \u003ca href=\"mailto:sales@watermainsupply.com\"\u003esales@watermainsupply.com\u003c\/a\u003e or call \u003ca href=\"tel:18885104036\"\u003e1-888.510.4036\u003c\/a\u003e.\u003cbr\u003e© Watermain Supply — A division of E4 Industrial LLC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eData Sheet\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-dl\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/AY-72051S-Y-Pattern-Swing-Check-Submittal.pdf?v=1791816080\" target=\"_blank\" rel=\"noopener\"\u003e72051S Y-Pattern Swing Check Valve Submittal Data Sheet\u003c\/a\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/AY-No-Lead-Check-Valves-Strainers-Catalog-2025.pdf?v=1791816080\" target=\"_blank\" rel=\"noopener\"\u003eNo-Lead Check Valves and Strainers Catalog Section (2025)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\u003cdiv class=\"gs-sec\" style=\"margin-top:6px\"\u003e\u003cp style=\"font-size:13px;color:#9B9EA3\"\u003eProduct videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c!-- \/TABS --\u003e","brand":"A.Y. McDonald Mfg. Co.","offers":[{"title":"1\/2 in \/ Single - 5421-254","offer_id":50640767451311,"sku":"5421-254","price":47.74,"currency_code":"USD","in_stock":true},{"title":"3\/4 in \/ Single - 5421-255","offer_id":50640767484079,"sku":"5421-255","price":63.24,"currency_code":"USD","in_stock":true},{"title":"1 in \/ Single - 5421-256","offer_id":50640767516847,"sku":"5421-256","price":84.68,"currency_code":"USD","in_stock":true},{"title":"1 1\/4 in \/ Single - 5421-257","offer_id":50640767549615,"sku":"5421-257","price":120.24,"currency_code":"USD","in_stock":true},{"title":"1 1\/2 in \/ Single - 5421-258","offer_id":50640767582383,"sku":"5421-258","price":150.67,"currency_code":"USD","in_stock":true},{"title":"2 in \/ Single - 5421-259","offer_id":50640767615151,"sku":"5421-259","price":210.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/ay-mcdonald-72051s-sweat-y-pattern-swing-check-valve_5745e4b2-2cc1-471e-8ed7-e3522526f482.jpg?v=1791816712","url":"https:\/\/watermainsupply.com\/products\/ay-mcdonald-72051s-sweat-y-pattern-swing-check-valve","provider":"Watermainsupply","version":"1.0","type":"link"}