• پکینگ اولیه کوتاه
• حفاظت در برابر اکستروژن از طریق حلقه بک آپ فعال
• اصطکاک کم
• بسیار مقاوم در برابر سایش
U-Ring Syprim SM is designed especially for use as a system seal.
· Short primary seal
· No pressure enclosed between primary and secondary seal
· Low friction
· Highly wear-resistant
· Protection against extrusion through activated back-up ring