[www.staffempire.com]-BS EN 12560-5-2001 中文版 法兰及其连接件—法兰用垫片(英制) 第5部分：钢制法兰用金属环连接垫.pdf

垫片应表示为：垫片EN12560-5-椭圆形-R.36-S4105垫片类型适用于符合prEN1759-1:2000规定的环连接(J形)法兰的金属环连接垫片，其截面形状应为椭圆形或八角形。注1.图1a)为法兰与一个椭圆形垫片相连接，图、1b)为法兰与一个八角形垫片相连接。注2.图2为椭圆形垫片和八角形垫片的设计结构。注3.表1给出了，每个环号的环接垫片所适用的公称尺寸和压力。注4.如果买方对垫片截面形状有特定的要求（即椭圆形或八角形），应在询单和/或定单中注明(参见4.5节)。如果缺少此项信息，垫片截面形状可由生产厂家决定。注5.选择垫片时应考虑介质、工作条件、垫片材料的性能、法兰密封面的类型、法兰面的加工以及法兰上螺栓的载荷。在选择特定用途垫片时，建议与垫片的供应商商议（参见4.5节）。a)椭圆形b)八角形图1封装的金属环连接垫片详图3XA环的宽度B椭圆C八角环面的宽度P环节圆的平均直径H八角形R,=1.6mm(A22.3mm)R=2.4m(A22.3mm)图2垫片尺寸36尺寸和公差6.1尺寸金属环连接垫片的尺寸应按表1和图2的规定。注：凹槽和垫片的尺寸应为：两法兰通过垫片连在一起后，是相隔的：存pEN1759-1:2000适当的表中规定了各压力下两法兰间间隔的近似距离。6.2公差表2中规定的公差适用于图2所示的尺寸。注：只要存在的锻造飞边不妨碍环接垫片正确下到法兰凹槽中，可以允许有稍许的锻造飞边。表1金属环连接垫片的环号和尺寸法兰压力（磅级）环的高度环号300节圆平均环的八角环面的150和60090015002500直径，P宽度，A椭圆，B八角形，宽度，C公称尺寸DNmmmmmHmmmm15R.1134.136.3511.119.534.321515R.1239.697.9414.2912.705.232015R.1342.867.9414.2912.705.232020R.1444.457.9414.2912.705.2325R.1547.637.9414.2912.705.2325252520R.1650.807.9414.2912.705.2332一R.1757.157.9414.2912.705.2332323225R.1860.337.9414.2912.705.2340R.1965.097.9414.2912.705.23404040R.2068.267.9414.2912.705.2332R.2172.2311.1117.4615.887.75R.2282.557.9414.2912.705.235040R.2382.5511.1117.4615.887.755050.2495.2511.1117.4615.887.7565R.25101.607.9414.2912.705.236550R.26101.6011.1117.4615.887.756565R.27107.9511.1117.4615.887.7565B.28111.1312.7019.0517.468.6680R.29114.307.9414.2912.705.234法兰压力（磅级）环的高度环号300节圆平均环的八角环面的150和60090015002500直径，宽度，A椭圆，B八角形，宽度，C公称尺寸DNmmmmmmHmmmm80R.30117.4811.1117.4615.887.758080R.31123.6311.1117.4615.887.7580R.32127.0012.7019.0517.468.6680R.35136.5311.1117.4615.887.75“仅适用于搭接管端可拆卸的高颈法兰(15型法兰)适用于搭接管端可拆高颈法兰以外的其他法兰100R.36149.237.9414.2912.705.23100100R.37149.2311.1117.4615.887.75100R.38157.1615.8822.2320.6410.49100R.39161.9311.1117.4615.887.75125R.40171.457.9414.2912.705.23125125R.41180.9811.1117.4615.887.75-125B.42190.5019.0525.4023.8112.32150R.43193.687.9414.2912.705.23125R.44193.6811.1117.4615.887.75150150R.45211.1411.1117.4615.887.75150R.46211.1412.7019.0517.468.66150R.47228.6019.0525.4023.8112.32200R.48247.657.9414.2912.705.23200200R.49269.8811.1117.4615.887.75200R.50269.8815.8822.2320.6410.49200R.51279.4022.2328.5826.9914.81250R.52304.807.9414.2912.705.23250250R.53323.8511.1117.4615.887.75250R.54323.8515.8822.2320.6410.49250R.55342.9028.5836.5134.9319.81300R.56381.007.9414.2912.705.23300300R.57381.0011.1117.4615.887.75