{"product_id":"polyurethane-hydraulic-u-seal","title":"Polyurethane Hydraulic U-Seal","description":"\u003ch2\u003ePolyurethane Hydraulic U-Seal\u003c\/h2\u003e\u003cp\u003eEngineered for demanding hydraulic applications, our Polyurethane Hydraulic U-Seal delivers reliable, long-service sealing performance in both piston and rod configurations. The U-profile lip geometry creates a self-energizing seal that tightens under system pressure, minimizing bypass and maintaining consistent sealing force across the full pressure range.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh abrasion resistance\u003c\/strong\u003e — polyurethane compound withstands particulate contamination and side-load wear far better than standard rubber compounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pressure range\u003c\/strong\u003e — suitable for low-pressure static conditions through high-cycle dynamic hydraulic systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow friction profile\u003c\/strong\u003e — reduces stick-slip and heat generation, extending cylinder and rod service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent extrusion resistance\u003c\/strong\u003e — maintains dimensional stability under pressure spikes without requiring a back-up ring in most standard clearance applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility\u003c\/strong\u003e — compatible with petroleum-based hydraulic fluids, water-glycol fluids, and most synthetic hydraulic oils\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydraulic cylinders (piston and rod sealing)\u003c\/li\u003e\n\u003cli\u003eLinear actuators\u003c\/li\u003e\n\u003cli\u003eMobile hydraulic equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial presses and clamping systems\u003c\/li\u003e\n\u003cli\u003eConstruction and agricultural machinery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaterial Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyurethane (PU)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 90–95 Shore A (typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e -40°F to +212°F (-40°C to +100°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating pressure:\u003c\/strong\u003e Up to 5,000 PSI (345 bar) depending on clearance and configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in standard AS568 and metric bore sizes. Custom dimensions available upon request. Contact us for volume pricing and OEM cross-reference matching.\u003c\/p\u003e","brand":"Hercules","offers":[{"title":"U15-1.00","offer_id":43110778077255,"sku":"U15-1.00","price":20.7,"currency_code":"USD","in_stock":true},{"title":"U15-1.00-23B","offer_id":43110778110023,"sku":"U15-1.00-23B","price":11.91,"currency_code":"USD","in_stock":true},{"title":"U15-1.12","offer_id":43110778142791,"sku":"U15-1.12","price":10.66,"currency_code":"USD","in_stock":true},{"title":"U15-1.18","offer_id":43110778175559,"sku":"U15-1.18","price":10.46,"currency_code":"USD","in_stock":true},{"title":"U15-1.25","offer_id":43110778208327,"sku":"U15-1.25","price":0.01,"currency_code":"USD","in_stock":false},{"title":"U15-1.37","offer_id":43110778241095,"sku":"U15-1.37","price":13.35,"currency_code":"USD","in_stock":true},{"title":"U15-1.50-31B","offer_id":43110778273863,"sku":"U15-1.50-31B","price":14.24,"currency_code":"USD","in_stock":true},{"title":"P187-01.125-312B","offer_id":43110778306631,"sku":"P187-01.125-312B","price":11.41,"currency_code":"USD","in_stock":true},{"title":"P187-02.625-375B","offer_id":43110778339399,"sku":"P187-02.625-375B","price":19.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1204\/2567\/files\/E9BFABB6-6194-4248-AB6C-934C92496F39.jpg?v=1787149243","url":"https:\/\/yarbroughindustries.shop\/products\/polyurethane-hydraulic-u-seal","provider":"Yarbrough Industries","version":"1.0","type":"link"}