{"product_id":"conbraco-industries-13-511-b15-relief-valve","title":"Conbraco Industries 13-511-B15 Relief Valve","description":"\u003cp\u003eThe \u003cspan\u003e\u003cstrong\u003eConbraco Industries\u003c\/strong\u003e \u003c\/span\u003e\u003cstrong\u003e13-511-B15\u003c\/strong\u003e is a high-performance \u003cstrong\u003eASME Section IV steam relief valve\u003c\/strong\u003e specifically engineered for residential and commercial low-pressure steam heating boilers. Featuring a \u003cstrong\u003e3\/4 inch male NPT inlet\u003c\/strong\u003e and a \u003cstrong\u003e3\/4 inch female NPT outlet\u003c\/strong\u003e, this bronze-bodied safety valve is factory-set at \u003cstrong\u003e15 PSI\u003c\/strong\u003e with a certified discharge capacity of \u003cstrong\u003e407 PPH (pounds per hour)\u003c\/strong\u003e. As a veteran-grade \u003cstrong\u003eboiler safety valve\u003c\/strong\u003e, it utilizes a \u003cstrong\u003ePTFE-faced disc\u003c\/strong\u003e to ensure positive shut-off and resistance to seat sticking, even after long periods of inactivity. The design incorporates a \u003cstrong\u003epositive drainage\u003c\/strong\u003e feature that prevents condensate from accumulating in the seat area, significantly reducing the risk of scale buildup and corrosion that can lead to \u003cstrong\u003epressure relief valve failure\u003c\/strong\u003e in critical heating systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits for Contractors:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Section IV Certified:\u003c\/strong\u003e National Board capacity-certified for compliance with strict boiler safety codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Bronze Body:\u003c\/strong\u003e Heavy-duty construction provides long-term durability in harsh saturated steam environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Discharge Capacity:\u003c\/strong\u003e Rated at 407 PPH to handle significant thermal expansion and prevent overpressure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTFE-Faced Seat:\u003c\/strong\u003e Ensures a tight seal and reliable pop-action opening at the 15 PSI set point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Standard \u003cstrong\u003e3\/4\" NPT threads\u003c\/strong\u003e allow for direct replacement in most boiler manifolds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions \u0026amp; Technical Insights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum temperature rating for this valve?\u003c\/strong\u003e\u003cbr\u003eThe 13-511-B15 is rated for saturated steam service up to 250°F (121°C).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a reducer on the discharge piping?\u003c\/strong\u003e\u003cbr\u003eNo. To maintain the 407 PPH \u003cstrong\u003esteam relieving capacity\u003c\/strong\u003e, the discharge pipe must match the 3\/4\" outlet size exactly as per \u003cstrong\u003eASME Section IV\u003c\/strong\u003e code requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve suitable for water service?\u003c\/strong\u003e\u003cbr\u003eThis is an \u003cstrong\u003eASME Section IV steam valve\u003c\/strong\u003e. For hot water heating systems, a valve specifically rated for water (Section IV Water) should be used to ensure correct BTU discharge ratings.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: 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":"Conbraco Industries","offers":[{"title":"Default Title","offer_id":35644879372,"sku":"13-511-B15","price":51.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_de02997a-4f6b-4f5c-bb1a-b4a1f70a771a.png?v=1778357292","url":"https:\/\/www.gsistore.com\/products\/conbraco-industries-13-511-b15-relief-valve","provider":"GSIstore","version":"1.0","type":"link"}