厂商 ：泉州市双环贸易发展有限公司网络营销部
地址 ：福建 泉州主营产品 ：海迪瑞克连续油管车 派克柱塞泵 卡特配件 SUNFAB柱塞泵 SPM配件 OMFB液压元件 FMC流体控制产品 CAT泵
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泉州市双环贸易发展有限公司专业全型号供应national油封，欢迎新老客户来电详询！
品牌负责人：范豪杰 0595-28292883/18959818230 传真：0595-28292882
NATIONAL OIL SEALS是1920年由LIoyd A.Johnson创立的，专门从事油封、垫圈垫片的生产，在当时就已经是美国最大的油封生产厂家之一，为汽车和飞机的主要配套油封工厂。于1956年被Federal-Mogul揽于旗下。F-M公司是一家综合性的汽车零配件厂家，从1899年成立至今，通过不断的发展和并购，拥有了一系列的汽车零部件品牌，产品包括轴瓦、引擎、雨刷、火花塞、轴承、油封、活塞环、制动系统、垫圈和底盘系统等等，成为了全球领先的汽车零部件供应商。
NATIONAL油封制造基地从刚创立时的San Francisco， 至1942年搬到Redwood City，再后搬至Summerton和Mexico City，现已把制造重心放在了MEXICO CITY。这就是为什么油封上会标注为USA和MX的缘故。除此两处之外，NATIONAL油封再也没有其它的制造基地了。 NATIONAL油封在中国市场上常见的型式如左所示的截面图。油封分内包骨架油封和外露骨架油封，带自紧弹簧式和无自紧弹簧式。但NATIONAL油封最主要以外露骨架为主，常用的有41、45、47、48系列。外骨架油封相对于内骨架油封来言，刚性好、定位准确、同轴度高、导热散热好、加工精度高、要求胶与金属之间有较高的粘合强度。 而NATIONAL油封与其它品牌的最大不同之处，就是在铁壳外圈的外径上喷涂了红色的REDICOAT专用涂漆，一方面可以区别其它品牌的颜色，另一方面，也是最主要的方面，铁壳外径喷涂红漆可增加外径的密封性能，可填充装配孔腔表面之缺陷或刮痕，避免密封流体由外径泄漏。这种REDICOAT涂漆，对孔腔面的加工光洁度就有所放松，允许有较大的表面粗糙度，同样起到内骨架油封（外径包有橡胶）的密封效果。如右图所示。
national油封 全型号供应
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national 480099
national 480109
national 480116
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national 710198
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品牌负责人：范豪杰 0595-28292883/18959818230 传真：0595-28292882
NATIONAL OIL SEALS是1920年由LIoyd A.Johnson创立的，专门从事油封、垫圈垫片的生产，在当时就已经是美国最大的油封生产厂家之一，为汽车和飞机的主要配套油封工厂。于1956年被Federal-Mogul揽于旗下。F-M公司是一家综合性的汽车零配件厂家，从1899年成立至今，通过不断的发展和并购，拥有了一系列的汽车零部件品牌，产品包括轴瓦、引擎、雨刷、火花塞、轴承、油封、活塞环、制动系统、垫圈和底盘系统等等，成为了全球领先的汽车零部件供应商。
NATIONAL油封制造基地从刚创立时的San Francisco， 至1942年搬到Redwood City，再后搬至Summerton和Mexico City，现已把制造重心放在了MEXICO CITY。这就是为什么油封上会标注为USA和MX的缘故。除此两处之外，NATIONAL油封再也没有其它的制造基地了。 NATIONAL油封在中国市场上常见的型式如左所示的截面图。油封分内包骨架油封和外露骨架油封，带自紧弹簧式和无自紧弹簧式。但NATIONAL油封最主要以外露骨架为主，常用的有41、45、47、48系列。外骨架油封相对于内骨架油封来言，刚性好、定位准确、同轴度高、导热散热好、加工精度高、要求胶与金属之间有较高的粘合强度。 而NATIONAL油封与其它品牌的最大不同之处，就是在铁壳外圈的外径上喷涂了红色的REDICOAT专用涂漆，一方面可以区别其它品牌的颜色，另一方面，也是最主要的方面，铁壳外径喷涂红漆可增加外径的密封性能，可填充装配孔腔表面之缺陷或刮痕，避免密封流体由外径泄漏。这种REDICOAT涂漆，对孔腔面的加工光洁度就有所放松，允许有较大的表面粗糙度，同样起到内骨架油封（外径包有橡胶）的密封效果。如右图所示。
national油封 全型号供应
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national 480099
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national 727410
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