Truefit Engineering Co. Ltd. Supplies O-Ring or Metal Seal Design Gear Coupling. Truefit Engineering Co. Ltd. Is an ISO 9001:2000 accredited company. O-Ring or Metal Seal Design Gear Coupling include quality features such as fitted bolts, barreled & crowned teeth with tooth tip & flank, and forged steel components. O-Ring or Metal Seal Design Gear Coupling uses a unique method of seal retention that will not allow the seal to separate from the ring gear during operation. O-Ring or Metal Seal Design Gear Coupling seal design also allows a metal seal design also allows a metal seal ring gear to easily be converted to an o-ring seal configuration and back to metal seal if needed.
