{"product_id":"b338-afrb24-sr-belimo-1-5-inch-three-way-characterized-control-valve-with-spring-return-actuator","title":"B338+AFRB24-SR | Belimo 1.5 Inch Three Way Characterized Control Valve With Spring Return Actuator","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"137\" data-end=\"417\"\u003eThe Belimo B338+AFRB24-SR is a 1.5-inch, 3-way characterized control valve assembly with a factory-fitted 24 V spring return modulating actuator. It provides accurate mixing or diverting flow control with a Cv of 19 for hydronic HVAC applications requiring dependable fail-safe operation.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\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: 33.189%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eControl Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eB338+AFRB24-SR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eCharacterized Control Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eCharacterized Control Valve (CCV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eValve Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e1.5 in (DN 40)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eFlow Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e3-way mixing \/ diverting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eCv Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eFlow Characteristic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eA-port equal percentage, B-port modified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eLeakage Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e0% A–AB, \u0026lt;2% B–AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eBody Pressure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e400 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eClose-Off Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003ePipe Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eFemale NPT threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eFluid Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eChilled or hot water, up to 60% glycol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eFluid Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e0…250°F (-18…120°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eValve Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eNickel-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eBall Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eSeat Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eSpring return, modulating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eControl Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e2…10 V (4…20 mA with resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003ePower Consumption (Running)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e5.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e95 s \/ 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eFail-Safe Running Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e\u0026lt;20 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003eIP54 \/ NEMA 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.189%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4474%;\"\u003e9.1 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 B338+AFRB24-SR\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe B338+AFRB24-SR is part of Belimo’s characterized control valve family engineered to deliver stable and predictable flow control in variable-volume hydronic systems. The 3-way valve design supports both mixing and diverting applications, with optimized port geometry to maintain consistent common port flow. Its factory-installed AFRB24-SR actuator operates on AC\/DC 24 V and provides precise modulating control with automatic spring return positioning during power loss. Built with corrosion-resistant materials and maintenance-free construction, the assembly is designed for long-term reliability in commercial HVAC environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree Way Mixing And Diverting Capability: Supports flexible hydronic system design with accurate control of combined or diverted flow paths.\u003c\/li\u003e\n\u003cli\u003eCharacterized Flow Performance: Equal percentage A-port and modified B-port characteristics ensure smooth modulation and stable temperature control.\u003c\/li\u003e\n\u003cli\u003eIntegrated Spring Return Actuator: Automatically moves the valve to a defined safety position upon loss of power to protect system operation.\u003c\/li\u003e\n\u003cli\u003ePrecise Modulating Control Input: Accepts 2…10 V control signals with optional 4…20 mA compatibility for broad controller integration.\u003c\/li\u003e\n\u003cli\u003eDurable Valve Construction: Nickel-plated brass body with stainless steel internal components provides corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eTight Shutoff Behavior: Zero leakage at A–AB and minimal leakage at B–AB support effective flow isolation when required.\u003c\/li\u003e\n\u003cli\u003eService-Friendly Design: Manual override and mechanical position indication simplify commissioning, testing, and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe B338+AFRB24-SR delivers the reliability and precision required for accurate three-way hydronic flow control with fail-safe performance in commercial HVAC systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51047759773994,"sku":"B338+AFRB24-SR","price":1187.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/CCV_B3_AFR-product_retina_830f1c1f-4d66-4873-ba84-3b9a88589471.jpg?v=1768203013","url":"https:\/\/iqelectro.com\/products\/b338-afrb24-sr-belimo-1-5-inch-three-way-characterized-control-valve-with-spring-return-actuator","provider":"IQElectro","version":"1.0","type":"link"}