{"product_id":"belimo-b253-arx24-3-t-n4-control-valve-reliable-delivery","title":"B253+ARX24-3-T N4 | Belimo Characterized Control Valve 2 Inch Cv 120 24VACDC Floating NEMA 4X","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"397\" data-start=\"122\"\u003eThe Belimo B253+ARX24-3-T N4 is a factory-assembled 2-way characterized control valve designed for precise floating control in hydronic HVAC systems. Featuring a non-spring return actuator with NEMA 4X protection, it supports reliable operation in demanding indoor and outdoor environments.\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: 25.0556%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eBelimo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eControl Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eB253+ARX24-3-T N4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eCharacterized Control Valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eCharacterized Control Valve (CCV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eValve Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e2 in (DN 50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eFlow Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e2-way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eFlow Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eCv 120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eFlow Characteristic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eEqual percentage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eControllable Flow Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e75°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eLeakage Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e0% for A–AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eBody Pressure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e400 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eClose-Off Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e200 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eFluid Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eChilled water, hot water, up to 60% glycol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eFluid Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e0…250°F (-18…120°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003ePipe Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eNPT female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eValve Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eNickel-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eBall Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eStem Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eSeat Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eActuator Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eNon spring return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eFloating point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eAC\/DC 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003ePower Consumption (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003ePower Consumption (Rest)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eTransformer Sizing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e5.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eTerminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eAngle of Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e90°, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eRunning Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e90 s \/ 90° (selectable 90 or 150 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003eIP66\/67, NEMA 4X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.0556%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.5808%;\"\u003e7.4 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 B253+ARX24-3-T N4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe B253+ARX24-3-T N4 is part of Belimo’s high-capacity CCV platform engineered for stable and energy-efficient hydronic control. Its characterized valve design delivers a predictable equal percentage response, improving control accuracy across varying load conditions. The nickel-plated brass body and stainless steel internals provide durability and corrosion resistance for long-term service. Factory-fitted with the ARX24 actuator in a NEMA 4X enclosure, this assembly supports reliable floating control in harsh or washdown-prone environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Cv 120 Flow Capacity: Supports efficient control of large hydronic flows in 2-inch piping with stable pressure characteristics.\u003c\/li\u003e\n\u003cli\u003eCharacterized Control Valve Geometry: Equal percentage response improves controllability and system stability over a wide operating range.\u003c\/li\u003e\n\u003cli\u003eIntegrated Valve and Actuator Assembly: Factory mounting ensures precise alignment, reduced installation time, and consistent performance.\u003c\/li\u003e\n\u003cli\u003eFloating Point Control Operation: Enables accurate incremental positioning using open\/close signals from building automation systems.\u003c\/li\u003e\n\u003cli\u003eNon Spring Return Actuation: Designed for continuous powered positioning where fail-safe spring action is not required.\u003c\/li\u003e\n\u003cli\u003eNEMA 4X \/ IP66-67 Protection: Sealed actuator housing supports outdoor installation and resistance to moisture, dust, and washdown.\u003c\/li\u003e\n\u003cli\u003eManual Override Under Cover: Allows controlled manual positioning during commissioning or maintenance without electrical power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe B253+ARX24-3-T N4 delivers the reliability and precision required for high-capacity floating control in commercial HVAC hydronic systems.\u003c\/p\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":51051075764522,"sku":"B253+ARX24-3-T N4","price":1427.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/B2_NEMA4-web_365x365_ba79a382-f055-4f25-8b06-75eb520aa345.png?v=1768310821","url":"https:\/\/iqelectro.com\/products\/belimo-b253-arx24-3-t-n4-control-valve-reliable-delivery","provider":"IQElectro","version":"1.0","type":"link"}