Hastings invented the three-piece oil control ring with patented Flex-Vent® technology. Flex-Vent has become an industry standard and is offered in a wide range of designs and sizes. We also designed and patented the Hyper-Vent® oil control ring.
1070 Steel
• Tough, wear resistant, high carbon spring steel
• Resists fatigue and permanent set
• Used to manufacture oil ring rails
201 and 301 Stainless
• Chromium-nickel stainless steels capable of attaining high tensile strengths through cold working
• Corrosion resistant
• Can be nitrided
• Used to manufacture Flex-Vent expanders |