{"product_id":"3-weco-hammer-union-seal-brass-insert-buna-n-import-cost-effective-anti-extrusion-seal","title":"3\" Weco Hammer Union Seal (Brass Insert \u0026 Buna-N) - Import | Cost-Effective Anti-Extrusion Seal","description":"\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe 3\" Weco Hammer Union Seal (Import) featuring a precision-machined Brass insert and Buna-N (Nitrile) elastomer is a highly economical, heavy-duty sealing solution engineered for high-volume, high-pressure flowline applications. Designed to fit seamlessly into standard 3-inch Weco-style hammer unions, such as Figure 1502 profiles, this composite seal ring provides critical protection against fluid bypass and catastrophic seal blowout while offering a budget-friendly option for operations requiring frequent maintenance turnarounds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eSourced from our trusted international manufacturing partners, this \"Import\" line is carefully selected to deliver exceptional commercial value without compromising essential field safety on large-bore flowlines. The core sealing element is molded from high-grade \u003cb data-path-to-node=\"5\" data-index-in-node=\"264\"\u003eBuna-N (Nitrile \/ NBR)\u003c\/b\u003e, providing excellent, dependable resistance to petroleum-based fluids, water, and abrasive drilling muds. Crucially, it features an integrated, rigid \u003cb data-path-to-node=\"5\" data-index-in-node=\"437\"\u003eBrass Anti-Extrusion Ring\u003c\/b\u003e. During extreme pressure spikes and high-velocity fluid transfers common in 3-inch lines, this non-sparking metallic backup ring structurally reinforces the elastomer lip, completely preventing it from extruding into the clearance gap of the union.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eIdeal for cost-conscious operators seeking to balance operational budgets with high-pressure reliability, this 3\" Brass\/Buna Import Weco seal is the perfect choice for standard service flowline connections that handle significant fluid volumes and require dependable extrusion resistance.\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\"\u003eCost-Effective Value:\u003c\/b\u003e An economical \"Import\" alternative that reduces maintenance overhead for high-volume, large-bore flowline operations without sacrificing seal integrity.\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\"\u003eBrass Anti-Extrusion Ring:\u003c\/b\u003e Integrated metal backing entirely prevents elastomer extrusion and blowout under severe pressure surges and high fluid velocities.\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\"\u003eBuna-N Elastomer:\u003c\/b\u003e Formulated from Nitrile rubber for dependable resistance to oil, gas, water, and abrasive fracturing or drilling fluids.\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\"\u003ePressure-Energized Geometry:\u003c\/b\u003e Utilizes internal line pressure to actively expand the sealing lips against the union's mating surfaces, creating a dynamic barrier that strengthens as pressure increases.\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\"\u003eExact Fitment:\u003c\/b\u003e Precision manufactured to ensure a perfect, drop-in fit for standard 3\" Weco-style hammer unions, allowing for rapid in-field replacements.\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 Seal with Anti-Extrusion Ring (Import)\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\"\u003eNominal Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e3 Inch\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\"\u003eElastomer Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eBuna-N (Nitrile \/ NBR)\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\"\u003eInsert Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eMachined Brass (Anti-Extrusion Ring)\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\"\u003eService Application\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eHigh-Pressure Standard Service, High-Velocity Fluids\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\"\u003eOperating Temperature Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003e-20°F to 250°F (-29°C to 121°C)\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\"\u003eCompatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,7,1,0\"\u003e3\" Weco-Style Hammer Unions (Fig 1502)\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 3\" Brass\/Buna Import Weco Seal is recommended for standard service flowline environments where cost-efficiency, high flow volumes, and volume replacement are key priorities. Typical applications include high-capacity cementing and circulating lines, fluid transfer manifolds, high-pressure pump discharge lines, and general well-servicing equipment requiring robust extrusion resistance.\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\"\u003eWhile part of our highly competitive import line, these large-bore seals are still subjected to strict batch-testing protocols. We verify the Buna-N durometer (hardness) and dimensionally inspect the brass anti-extrusion rings to ensure they meet the rigorous tolerance standards necessary to protect your field personnel and flowline infrastructure.\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":48459376525557,"sku":"SEAL3BRI","price":8.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/5785\/1637\/files\/3WecoSeal-BrassInsert_Import_EconomicalHammerUnionSeal.png?v=1784863143","url":"https:\/\/blazess.com\/zh\/products\/3-weco-hammer-union-seal-brass-insert-buna-n-import-cost-effective-anti-extrusion-seal","provider":"Blaze Sales \u0026 Service","version":"1.0","type":"link"}