{"product_id":"3-weco-hammer-union-seal-brass-insert-buna-n-high-pressure-anti-extrusion-seal-ring","title":"3\" Weco Hammer Union Seal (Brass Insert \u0026 Buna-N) | High-Pressure Anti-Extrusion Seal Ring","description":"\u003cp data-path-to-node=\"4\"\u003eThe 3\" Weco Hammer Union Seal featuring a precision-machined Brass insert and premium Buna-N (Nitrile) elastomer is a heavy-duty sealing solution engineered to withstand the extreme pressures and high flow rates of demanding oilfield environments. Designed for a precise, drop-in fit into standard 3-inch Weco-style hammer unions, including the industry-standard Figure 1502, this composite seal ring provides vital protection against fluid bypass and catastrophic seal blowout.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe core of this seal is molded from high-grade \u003cb data-path-to-node=\"5\" data-index-in-node=\"48\"\u003eBuna-N (Nitrile \/ NBR)\u003c\/b\u003e, delivering dependable resistance to petroleum-based fluids, water, synthetic lubricants, and abrasive drilling muds. What sets this seal apart is the integration of a rigid, non-sparking \u003cb data-path-to-node=\"5\" data-index-in-node=\"259\"\u003eBrass Anti-Extrusion Ring\u003c\/b\u003e. During extreme pressure surges and high-velocity fluid transfers common in 3-inch flowlines, this metallic backup ring structurally reinforces the elastomer lip. It entirely prevents the rubber from extruding into the clearance gap between the male and female union subs, ensuring a continuous, blowout-proof connection.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eIdeal for operators requiring maximum reliability in standard service flowlines, this 3\" Brass\/Buna Weco seal is the premier choice for protecting high-volume, high-pressure infrastructure.\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\"\u003eBrass Anti-Extrusion Ring:\u003c\/b\u003e Integrated machined metal backing reinforces the seal structure, preventing elastomer extrusion and blowout under severe pressure spikes and high flow rates.\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\"\u003ePremium Buna-N Elastomer:\u003c\/b\u003e Formulated from high-quality Nitrile rubber for excellent 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=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" 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, establishing a dynamic seal that strengthens as operational demands increase.\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\"\u003eHigh-Volume Capacity:\u003c\/b\u003e Specifically engineered for the increased fluid velocities and dynamic stresses present in 3-inch flowline assemblies.\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, zero-clearance fit for standard 3\" Weco-style hammer unions (specifically Fig 1502 profiles).\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\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 Weco Seal is highly recommended for standard service flowline environments where high flow volumes and extreme pressures are present. Typical applications include high-capacity cementing and circulating lines, fracturing manifolds, high-pressure pump discharge lines, well-testing equipment, and large-bore fluid transfer assemblies where extrusion resistance is non-negotiable.\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\"\u003eEvery composite hammer union seal undergoes 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. The final assembly is evaluated for perfect cohesion between the metal insert and the elastomer to guarantee reliable field performance.\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":48459136696565,"sku":"SEAL3BR","price":11.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/5785\/1637\/files\/3_Weco_Seal_-_Brass_Insert_Buna-N_Anti-Extrusion_Hammer_Union_Seal.png?v=1784828209","url":"https:\/\/blazess.com\/pt\/products\/3-weco-hammer-union-seal-brass-insert-buna-n-high-pressure-anti-extrusion-seal-ring","provider":"Blaze Sales \u0026 Service","version":"1.0","type":"link"}