{"product_id":"fps-soft-air-x-ring-di-tenuta-per-testa-pistone-xrtp-nero","title":"FPS SOFT AIR x-ring piston head seal","description":"X-RING piston head seals (XRTP) with a quad-lobe cross-section do not round out in their seat during dynamic stresses.\u003cbr\u003e\u003cbr\u003eX-Rings have less wear compared to O-Rings because they require less radial pre-compression, which translates to lower contact pressure.\u003cbr\u003e\u003cbr\u003eA lubricant reservoir can form between the sealing lips.\u003cbr\u003e\u003cbr\u003eSealing effect is optimized thanks to a better pressure distribution due to the square cross-section.\u003cbr\u003e\u003cbr\u003eX-Rings eliminate any negative effects due to the mold parting line, as this is located in the groove between the two lips.\u003cbr\u003e\u003cbr\u003e100% MADE IN ITALY\u003cbr\u003e","brand":"FPS SOFT AIR","offers":[{"title":"UN","offer_id":62047906758986,"sku":"XRTPNERO-UNI","price":1.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/8921\/4538\/files\/CC---FPS_20SOFT_20AIR---XRTPNERO.jpg?v=1784837710","url":"https:\/\/www.military-surplus.it\/en\/products\/fps-soft-air-x-ring-di-tenuta-per-testa-pistone-xrtp-nero","provider":" MILITARYSURPLUS","version":"1.0","type":"link"}