{"product_id":"caleffi-519600a-differential-pressure-bypass-valve-1-male-npt-adjustable-2-10-psi","title":"Caleffi 519600A Differential Pressure Bypass Valve 1\" Male NPT, Adjustable 2-10 PSI","description":"\u003cp\u003eThe Caleffi 519600A is a 1\" differential pressure bypass valve with 1\" male NPT x male NPT connections, used to maintain minimum flow and limit differential pressure in hydronic systems with zone valves.\u003c\/p\u003e\u003cp\u003eInstalled between supply and return, the valve opens as zone valves close and system differential pressure rises, bypassing flow to protect the circulator and boiler and to reduce flow noise in the zones that remain open. The opening setpoint is adjustable from 2 to 10 psi, and the valve has an angle body pattern.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Confirm the 1\" male NPT x male NPT connections suit your piping layout. Set the valve based on the circulator curve and system design; the setting procedure is in the installation manual below.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 519600A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e 519 series differential bypass valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Differential pressure bypass valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 1\" male NPT x male NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Pattern:\u003c\/strong\u003e Angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting Range:\u003c\/strong\u003e 2 to 10 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure:\u003c\/strong\u003e 150 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Temperature:\u003c\/strong\u003e 230°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615962703\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Balancing Valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/res.cloudinary.com\/dzhpkjoqj\/Caleffi\/519600A_CALE-519600A_8016615962703_TechB.pdf\" target=\"_blank\" rel=\"noopener\"\u003eTechnical Data Sheet\u003c\/a\u003e (PDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/res.cloudinary.com\/dzhpkjoqj\/Caleffi\/519600A_CALE-519600A_8016615962703_Inst.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e (PDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/res.cloudinary.com\/dzhpkjoqj\/Caleffi\/519600A_CALE-519600A_8016615962703_Sub.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSubmittal Sheet\u003c\/a\u003e (PDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/res.cloudinary.com\/dzhpkjoqj\/Caleffi\/519600A_CALE-519600A_8016615962703_Sell.pdf\" target=\"_blank\" rel=\"noopener\"\u003eProduct Brochure\u003c\/a\u003e (PDF)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSee also: \u003ca href=\"\/collections\/balancing-valves\"\u003ebalancing valves\u003c\/a\u003e, \u003ca href=\"\/collections\/caleffi-north-america\"\u003eall Caleffi products\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":50517453340775,"sku":"CALE-519600A","price":236.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/519502A_901ddf58-7c46-4fbd-ba93-0647ef9f3323.jpg?v=1792425133","url":"https:\/\/www.thehousesupplier.com\/products\/caleffi-519600a-differential-pressure-bypass-valve-1-male-npt-adjustable-2-10-psi","provider":"The House Supplier","version":"1.0","type":"link"}