油封是防止机械上的润滑油、水、药液及气体等介质由间隙中漏出的重要机械部品，同时防止沙尘由外部进入。
Oil seals are devices used to seal oil inside a machine or parts of equipment. It prevents the grease, Lubricant,water,chemical fluid,etc from leaking out of machinery, and simultaneously prevents the intrusion of dust, sand or other foreign objects from outside.
应用在油压、空压及水压机器的往复运动上。以NOK Noxlan材料制作的密封超越了以往的产品性能NOK，在此材料基础上开发的密封产品系列大大提高了产业机器的密封可靠性。
Packing is a term for sealing device that are used in the pressurized secti*** of oil, air or water supply systems. With NOK's Noxlan packing and other products that h***e much tighter tolerances than previous packing, NOK continues to develop packing products that will further improve the level of reliability in production machinery.
EKK机械密封件，凭著高精度，经特别加工的滑动面，抗磨能力高，性能优良，可以长期使用而无须维修。被广泛应用于汽车，航天及各种工业上。
Mechanical seals can be used over extended periods without maintenance by being utilized with sliding surfaces put together on high precise flat surfaces and are c***idered to be superior products with their unsurpassed capabilities and low running costs. They can be used effectively over a wide range of fields running from all types of automobile pumps to aerospace development.
O型圈是一种横截面呈O形的环状密封件，防止油、水、空气及气体等介质漏出机件。
O-ring are O-shaped rings of rubber used to prevent oil,water,air,gas or other fluids from leaking out by fitting into an appropriate recess of the equipment being sealed.
| NOK公司供应适于各种应用的若干不同类型的密封件材料。下表橡胶材料的类型和特性，树脂材料的类型和特性。所提供的本样本中产品用的标准材料能***好地满足工作条件。下列各表的相容性表明一般的趋势。对特定牌号油品的耐油性，请向NOK公司查询。 | |
|
| NOK O-RINGS |
| O型圈是在沟槽中安装的、适度压缩的截面为O型（圆形）的密封圈。可作为油、水、空气、气体等各种各样流体的密封使用。用法有静止的与运动的两类。 订货时请指定NOK部件编号。 |
| 在选择型号之前，请您确认应用范围。 |
| O型圈尺寸表 |
