{"product_id":"buna-n-hydraulic-piston-t-seal","title":"Buna-N Hydraulic Piston T-Seal","description":"\u003ch2\u003eBuna-N Hydraulic Piston T-Seal\u003c\/h2\u003e\u003cp\u003eEngineered for demanding hydraulic piston applications, our Buna-N (NBR) T-Seal delivers reliable bi-directional sealing in a compact, low-friction profile. The T-shaped cross-section — combined with energizing back-up rings — eliminates extrusion under high pressure while maintaining consistent contact force across the full stroke.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Buna-N (Nitrile Rubber \/ NBR) — excellent resistance to petroleum-based hydraulic fluids, oils, and fuels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Profile:\u003c\/strong\u003e T-shaped cross-section with integrated back-up ring grooves for anti-extrusion protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-Directional Sealing:\u003c\/strong\u003e Seals pressure from both directions — ideal for double-acting piston cylinders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Friction:\u003c\/strong\u003e Smooth dynamic sealing surface reduces stick-slip and extends cylinder service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Rated from -40°F to +250°F (-40°C to +121°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e Suitable for operating pressures up to 5,000 PSI (with appropriate back-up rings)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydraulic cylinders (double-acting pistons)\u003c\/li\u003e\n\u003cli\u003eMobile hydraulics — construction, agricultural, and material handling equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial hydraulic presses and actuators\u003c\/li\u003e\n\u003cli\u003eOEM and MRO replacement sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy T-Seals?\u003c\/h3\u003e\u003cp\u003eUnlike standard O-rings, T-Seals are purpose-built for piston grooves where extrusion resistance and consistent sealing under dynamic cycling are critical. The T-profile self-centers in the groove, reducing installation errors and improving seal longevity in high-cycle applications.\u003c\/p\u003e","brand":"Hercules","offers":[{"title":"TP-216","offer_id":43107474997319,"sku":"TP-216","price":13.19,"currency_code":"USD","in_stock":true},{"title":"TP-218","offer_id":43107475030087,"sku":"TP-218","price":10.43,"currency_code":"USD","in_stock":true},{"title":"TP-220","offer_id":43107475062855,"sku":"TP-220","price":13.35,"currency_code":"USD","in_stock":true},{"title":"TP-222","offer_id":43107475095623,"sku":"TP-222","price":11.26,"currency_code":"USD","in_stock":true},{"title":"TP-326","offer_id":43107475128391,"sku":"TP-326","price":13.49,"currency_code":"USD","in_stock":true},{"title":"TP-328","offer_id":43107475161159,"sku":"TP-328","price":13.13,"currency_code":"USD","in_stock":true},{"title":"TP-330","offer_id":43107475193927,"sku":"TP-330","price":14.56,"currency_code":"USD","in_stock":true},{"title":"TP-331","offer_id":43107475226695,"sku":"TP-331","price":15.81,"currency_code":"USD","in_stock":true},{"title":"TP-332","offer_id":43107475259463,"sku":"TP-332","price":16.03,"currency_code":"USD","in_stock":true},{"title":"TP-334","offer_id":43107475292231,"sku":"TP-334","price":17.2,"currency_code":"USD","in_stock":true},{"title":"TP-338","offer_id":43107475324999,"sku":"TP-338","price":21.88,"currency_code":"USD","in_stock":true},{"title":"TP-339","offer_id":43107475357767,"sku":"TP-339","price":23.83,"currency_code":"USD","in_stock":true},{"title":"TP-340","offer_id":43107475390535,"sku":"TP-340","price":24.79,"currency_code":"USD","in_stock":true},{"title":"TP-341","offer_id":43107475423303,"sku":"TP-341","price":32.04,"currency_code":"USD","in_stock":true},{"title":"TP-342","offer_id":43107475456071,"sku":"TP-342","price":27.59,"currency_code":"USD","in_stock":true},{"title":"TP-345","offer_id":43107475488839,"sku":"TP-345","price":63.5,"currency_code":"USD","in_stock":true},{"title":"TP-346","offer_id":43107475521607,"sku":"TP-346","price":34.29,"currency_code":"USD","in_stock":true},{"title":"TP-350","offer_id":43107475554375,"sku":"TP-350","price":50.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1204\/2567\/files\/99900601-9FB9-4CA2-81C1-7909518B95AC.jpg?v=1787059970","url":"https:\/\/yarbroughindustries.shop\/products\/buna-n-hydraulic-piston-t-seal","provider":"Yarbrough Industries","version":"1.0","type":"link"}