{"product_id":"mueller-industries-bd34580-relief-valve","title":"Mueller Industries BD34580 Relief Valve","description":"\u003cp\u003eThe \u003cstrong\u003eMueller Industries\u003c\/strong\u003e \u003cstrong\u003eBD34580 Relief Valve\u003c\/strong\u003e is a \u003cstrong\u003ehigh-pressure refrigeration safety device\u003c\/strong\u003e engineered for heavy-duty industrial and commercial HVACR applications. Featuring a \u003cstrong\u003e1 5\/8\" x 1 1\/4\" NPT\u003c\/strong\u003e connection profile, this \u003cstrong\u003estraight-thru pressure relief valve\u003c\/strong\u003e is factory-set to a \u003cstrong\u003e235 PSI\u003c\/strong\u003e discharge threshold. Built by \u003cstrong\u003eMueller Refrigeration\u003c\/strong\u003e, the BD34580 is primarily utilized on \u003cstrong\u003eliquid receiver applications\u003c\/strong\u003e above the liquid refrigerant level to prevent catastrophic over-pressurization. It provides a robust \u003cstrong\u003eoperating temperature range\u003c\/strong\u003e of -40°F to 300°F, ensuring reliable performance in extreme thermal environments.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003eSafetyMaster relief valve\u003c\/strong\u003e is fully compliant with \u003cstrong\u003eASHRAE Standard 15\u003c\/strong\u003e and \u003cstrong\u003eASME code\u003c\/strong\u003e requirements for unfired pressure vessels. It is compatible with all major \u003cstrong\u003eCFC, HCFC, and HFC refrigerants\u003c\/strong\u003e, including R410A, and is often paired with a rupture disc for visual indication of an over-pressure event. The \u003cstrong\u003eBD34580\u003c\/strong\u003e is NPT-threaded for secure integration into existing piping systems, providing the high-volume discharge capacity necessary to protect essential system components like condensers and receivers from mechanical failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Code Compliance:\u003c\/strong\u003e Meets both \u003cstrong\u003eASME\u003c\/strong\u003e and \u003cstrong\u003eASHRAE Standard 15\u003c\/strong\u003e safety requirements for refrigerant vessel protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Fluid Compatibility:\u003c\/strong\u003e Rated for use with a wide range of refrigerants and oils, ensuring versatile integration into various \u003cstrong\u003eHVACR systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Discharge Capacity:\u003c\/strong\u003e Designed for \u003cstrong\u003emaximum discharge rates\u003c\/strong\u003e certified by the National Board of Boiler and Pressure Vessel Inspectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Temperature Resilience:\u003c\/strong\u003e Maintains operational integrity from \u003cstrong\u003e-40°F to 300°F\u003c\/strong\u003e, making it suitable for both cooling and heating cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary application for the Mueller Industries BD34580?\u003c\/strong\u003e\u003cbr\u003eThis \u003cstrong\u003epressure relief valve\u003c\/strong\u003e is specifically designed for use on liquid receivers and pressure vessels. It should be mounted in the vapor space above the liquid level to ensure proper high-volume gas discharge during a relief event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this valve be used with R410A refrigerant?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong\u003eBD34580\u003c\/strong\u003e is compatible with high-pressure HFC refrigerants like R410A, provided the system requirements do not exceed the \u003cstrong\u003e235 PSI\u003c\/strong\u003e set point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the discharge rate certified?\u003c\/strong\u003e\u003cbr\u003eYes, all \u003cstrong\u003eMueller SafetyMaster\u003c\/strong\u003e valves have discharge rates certified by the National Board of Boiler and Pressure Vessel Inspectors, ensuring the valve meets its rated flow capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Mueller Industries","offers":[{"title":"Default Title","offer_id":1672519090201,"sku":"BD34580","price":291.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_4337d7e6-65fa-41e5-a7c5-c360d25b4bce.png?v=1791925881","url":"https:\/\/www.gsistore.com\/products\/mueller-industries-bd34580-relief-valve","provider":"GSIstore","version":"1.0","type":"link"}