{"product_id":"nibco-f739-4-circuit-balancing-valve-fixed-orifice-flanged-4-in","title":"Nibco F739 4 Circuit Balancing Valve Fixed Orifice Flanged (4 in.)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe Nibco F739 4 is a fixed-orifice manual circuit balancing valve for HVAC and mechanical hot and chilled water systems. It features a ductile iron body and bonnet, an EPDM-coated disc, and a PTFE plus EPDM stem seal. Integral pressure\/temperature ports allow direct differential pressure readout across the orifice for flow determination, while an internal memory stop preserves setpoints; ANSI Class 150 flanged connections and a 230 PSI rating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFixed-orifice design enables flow setting and measurement via integral pressure\/temperature ports without special calculators or meters\u003c\/li\u003e\n  \u003cli\u003eDuctile iron body and bonnet with EPDM-coated disc and PTFE + EPDM stem seal for sealing performance\u003c\/li\u003e\n  \u003cli\u003eIntegral internal memory stop retains settings and provides isolation; ANSI Class 150 flanged end connections rated to 230 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003e4 in. fixed-orifice manual balancing valve; ductile iron construction; integral differential pressure ports; memory stop; ANSI Class 150, 230 PSI; 250°F max at 175 PSI\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NIBCO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: F739 4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NIBCO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: F739 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: F739\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fixed orifice manual balancing valve (circuit balancing valve)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 4 in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Ductile iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBonnet Material\u003c\/strong\u003e: Ductile iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisc Coating\u003c\/strong\u003e: EPDM coated disc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Seal\u003c\/strong\u003e: PTFE + EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Stop\u003c\/strong\u003e: Integral internal memory stop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePorts\u003c\/strong\u003e: Integral pressure\/temperature ports for differential pressure readout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Flow measurement via fixed orifice; isolation for maintenance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Connections\u003c\/strong\u003e: Flanged end connections, ANSI Class 150\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Pressure\u003c\/strong\u003e: 230 PSI non-shock cold working pressure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Temperature Rating\u003c\/strong\u003e: 250°F at 175 PSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: HVAC and mechanical hot and chilled water systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 039923411945\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrinking Water Use\u003c\/strong\u003e: Prohibited in U.S. drinking water applications after January 3, 2014\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePROP 65\u003c\/strong\u003e: Contains chemicals including lead (see P65 warning)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"NIBCO","offers":[{"title":"Default Title","offer_id":67649339359538,"sku":"F739 4","price":1424.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8dfb7fc7fb64549a9d3cffa0c95cf410_d3f14d7c-da2d-4acd-b051-86e0be7387e2.webp?v=1790461092","url":"https:\/\/voomisupply.com\/products\/nibco-f739-4-circuit-balancing-valve-fixed-orifice-flanged-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}