{"product_id":"b280-arb24-3-s-belimo-3-inch-two-way-characterized-control-valve-with-floating-actuator-and-auxiliary-switch","title":"B280+ARB24-3-S | Belimo 3 Inch Two Way Characterized Control Valve With Floating Actuator And Auxiliary Switch","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"397\" data-start=\"122\"\u003eThe Belimo B280+ARB24-3-S is a 3-inch, 2-way characterized control valve assembly designed for accurate hydronic flow control. It combines a Cv 170 brass ball valve with a non spring return floating point actuator featuring an integrated auxiliary switch for position signaling.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eControl Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eB280+ARB24-3-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eCharacterized Control Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eCharacterized Control Valve (CCV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eValve Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e3 in (DN 80)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eFlow Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e2-way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eCv Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eFlow Characteristic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eEqual percentage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eBody Pressure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e400 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eClose-Off Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e100 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eLeakage Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e0% for A–AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003ePipe Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eFemale NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eControllable Flow Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e75°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eFluid Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eChilled or hot water, up to 60% glycol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eFluid Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e0…212°F (-18…100°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eValve Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eNickel-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eBall Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eSeat Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eStem Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eNon spring return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eControl Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eOn\/Off, Floating point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eAuxiliary Switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e1 × SPDT, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e90 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003eIP54 \/ NEMA 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 28.3636%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.2727%;\"\u003e11.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About\u003cspan data-sheets-root=\"1\"\u003e B280+ARB24-3-S\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe B280+ARB24-3-S is part of Belimo’s characterized control valve portfolio engineered to deliver stable and repeatable flow regulation in medium to large hydronic systems. The valve uses an equal percentage characteristic to maintain consistent control authority across varying load conditions. Its factory-installed ARB24-3-S actuator supports floating point control and includes an adjustable SPDT auxiliary switch for end-position indication or system interlocking. Designed for maintenance-free service, the assembly combines corrosion-resistant materials with precise actuator performance for long-term HVAC reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Capacity Two Way Valve Assembly: Cv 170 rating supports controlled flow in large-diameter hydronic piping systems.\u003c\/li\u003e\n\u003cli\u003eEqual Percentage Flow Control: Provides smooth modulation and stable response across the full operating range.\u003c\/li\u003e\n\u003cli\u003eFloating Point Non Spring Return Actuator: Enables accurate incremental positioning while maintaining last position on power loss.\u003c\/li\u003e\n\u003cli\u003eIntegrated Auxiliary Switch: Adjustable SPDT switch allows valve position feedback, alarms, or control interlocking.\u003c\/li\u003e\n\u003cli\u003eDurable Brass Valve Construction: Nickel-plated brass body with stainless steel trim ensures corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eLow Power Actuator Design: Efficient 24 V operation minimizes transformer load and energy consumption.\u003c\/li\u003e\n\u003cli\u003eService-Friendly Operation: Manual override and mechanical position indication simplify commissioning and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe B280+ARB24-3-S delivers the reliability and precision required for accurate hydronic flow control in commercial HVAC applications.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51047772750122,"sku":"B280+ARB24-3-S","price":1619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/B2_AR_LRBX-web-product_retina_1.jpg?v=1768206916","url":"https:\/\/iqelectro.com\/products\/b280-arb24-3-s-belimo-3-inch-two-way-characterized-control-valve-with-floating-actuator-and-auxiliary-switch","provider":"IQElectro","version":"1.0","type":"link"}