{"product_id":"3-fig-1502-butt-weld-sch-xh-sour-service-hammer-union-oil-gas-flowline-fitting","title":"3\" Fig 1502 Butt Weld (Sch XH) Sour Service Hammer Union – Oil \u0026 Gas Flowline Fitting","description":"\u003cp data-path-to-node=\"4\"\u003eThe 3\" Figure 1502 Butt Weld Schedule XH Sour Service Hammer Union is a highly specialized, extreme-duty flow control assembly engineered for permanent, high-volume fluid routing in hazardous, hydrogen sulfide (H2S) rich environments. While standard Figure 1502 unions are rated for 15,000 PSI, this \u003cb data-path-to-node=\"4\" data-index-in-node=\"300\"\u003eSour Service\u003c\/b\u003e model is strictly derated to a \u003cb data-path-to-node=\"4\" data-index-in-node=\"344\"\u003e10,000 PSI Cold Working Pressure (10M CWP)\u003c\/b\u003e in strict compliance with NACE MR0175 \/ ISO 15156 standards. This derating, combined with specialized heat treatment, is critical to prevent Sulfide Stress Cracking (SSC) and ensure absolute structural safety in lethal sour gas applications.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eFeaturing precision-machined Butt Weld ends designed to seamlessly integrate with Schedule XH (Extra Heavy) 3-inch pipe, this union allows for permanent, full-penetration welded integration into high-capacity pipework. This eliminates the risk of thread-related leaks or backing-off caused by the severe vibration and mechanical loads typical of massive pumping operations and sour well testing.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eManufactured from specially heat-treated, high-strength forged alloy steel (strictly controlled to maximum hardness limits for H2S environments), the union is built to withstand extreme internal stresses. It features a specialized, replaceable lip-type elastomeric seal ring molded from highly chemical-resistant fluoroelastomer compounds (such as FKM\/Viton) specifically formulated to resist degradation from sour gas. This primary seal protects the secondary metal-to-metal seating surface, ensuring absolute bubble-tight pressure containment under massive fluid loads.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eFeatures \u0026amp; Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eNACE MR0175 Compliant:\u003c\/b\u003e Manufactured from specially controlled and heat-treated alloy steel to resist Sulfide Stress Cracking (SSC) in severe H2S environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003e10,000 PSI Derated Pressure (10M):\u003c\/b\u003e Safely rated for 10,000 PSI Cold Working Pressure specifically for sour service, providing a massive safety factor for hazardous gas containment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eButt Weld Connection (Sch XH):\u003c\/b\u003e Precision-beveled ends designed for large-bore Schedule XH pipe allow for permanent, high-integrity welded connections, providing superior resistance to vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eH2S Resistant Lip Seal:\u003c\/b\u003e Features a specialized fluoroelastomer lip seal that provides a dependable primary barrier against highly corrosive sour gas and fluids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eHigh Flow Capacity:\u003c\/b\u003e The large 3-inch nominal size accommodates the massive fluid volumes required for severe-service pumping and well testing applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,5,0\"\u003e\u003cb data-path-to-node=\"8,5,0\" data-index-in-node=\"0\"\u003eRapid Spool Makeup:\u003c\/b\u003e The heavy-duty wing nut allows for quick, ultra-secure connections and disconnections between welded, sour-service pipe spools in the field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eSpecifications \u0026amp; Technical Details\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eComponent Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eHammer Union Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eUnion Figure Standard\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003eFigure 1502 (Fig 1502) - Sour Service\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eNominal Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003e3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eEnd Connection\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eButt Weld (BW)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cb data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003ePipe Schedule Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eSchedule XH (Extra Heavy)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cb data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eMaximum Working Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003e10,000 PSI CWP (Derated for Sour Service)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,7,0,0\"\u003e\u003cb data-path-to-node=\"10,7,0,0\" data-index-in-node=\"0\"\u003eSealing Mechanism\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,7,1,0\"\u003eH2S-Resistant Lip Seal \u0026amp; Metal-to-Metal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,8,0,0\"\u003e\u003cb data-path-to-node=\"10,8,0,0\" data-index-in-node=\"0\"\u003eBody Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,8,1,0\"\u003eNACE Compliant Forged Alloy Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,9,0,0\"\u003e\u003cb data-path-to-node=\"10,9,0,0\" data-index-in-node=\"0\"\u003eTypical Applications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,9,1,0\"\u003eSour gas well testing, H2S flowlines, choke \u0026amp; kill, permanent manifolds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eApplications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis specialized 3\" Figure 1502 Schedule XH sour service butt weld hammer union is absolutely critical for upstream operations where hazardous Hydrogen Sulfide (H2S) is present. Typical applications include sour well testing flowlines, H2S-rated choke and kill manifolds, permanent sour gas transfer lines, heavy-duty acidizing networks, and the fabrication of welded pipe spools requiring absolute compliance with NACE MR0175 safety standards.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eQuality Assurance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003eEach sour service hammer union assembly undergoes rigorous, specialized quality control protocols. This includes strict hardness testing to ensure NACE MR0175 compliance (\u0026lt;22 HRC), severe hydrostatic testing, precision dimensional verification of the weld bevels, and comprehensive material traceability (MTRs), ensuring fail-safe structural integrity and secure pressure containment in lethal gas environments.\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eRequest a Quote\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e📞 +1 405 666 5011\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e📧 seo@blazess.com\u003c\/p\u003e","brand":"Blaze Sales \u0026 Service","offers":[{"title":"Default Title","offer_id":48315013529845,"sku":"HU-31502XHSS","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/5785\/1637\/files\/3Fig1502ButtWeldSchXHSourServiceHammerUnionNACECompliant.png?v=1782337907","url":"https:\/\/blazess.com\/it\/products\/3-fig-1502-butt-weld-sch-xh-sour-service-hammer-union-oil-gas-flowline-fitting","provider":"Blaze Sales \u0026 Service","version":"1.0","type":"link"}