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文档简介

1、八角形、椭圆型金属环垫尺寸（摘自HG20633-97 ）公称通径PN2.0 Mpa(Class 150)PN5.0 Mpa(Class 300)和 PN11.0 Mpa(Class 600)NPS/ inDN环号R节径P环宽A环局坏平 面 宽度C环 号R节径P环宽A环局坏平 面 宽度C八角形H椭圆形B八角 形H椭圆 形B15R1134.146.3511.119.534.32a）八角型b）椭圆型20R1342.887.9414.2912.75.23125R1547.627.9414.2912.75.23R1650.87.9414.2912.75.2332R1757.157.9414.2912.7

2、5.23R1860.327.9414.2912.75.2340R1965.077.9414.2912.75.23R2068.277.9414.2912.75.23250R2282.557.9414.2912.75.23R2382.5511.1117.4615.887.7565R25101.67.9414.2912.75.23R26101.611.1117.4615.887.75380R29114.37.9414.2912.75.23R31123.8211.1117.4615.887.754100R36149.227.9414.2912.75.23R37149.2211.1117.4615.88

3、7.755125R40171.457.9414.2912.75.23R41180.9811.1117.4615.887.756150R43193.687.9414.2912.75.23R45211.1211.1117.4615.887.758200R48247.657.9414.2912.75.23R49269.8811.1117.4615.887.7510250R52304.87.9414.2912.75.23R53323.8511.1117.4615.887.7512300R563817.9414.2912.75.23R5738111.1117.4615.887.7514350R59396

4、.887.9414.2912.75.23R61419.111.1117.4615.887.7516400R64454.037.9414.2912.75.23R65469.911.1117.4615.887.7518450R68517.537.9414.2912.75.23R69533.411.1117.4615.887.7520500R72558.87.9414.2912.75.23R73584.212.719.0517.468.6622550一R8163514.2919.05一9.5824600R76673.17.9414.2912.75.23R77692.1515.8822.23 20.5

5、410.49公称通径PN15.0 Mpa(Class 900)PN26.0 Mpa(Class 1500)NPS/ inDN环号R节径P环宽A环局划、平 面 宽度C环 号R节径P环宽A环局划、平 面 宽度C八角形H椭圆形B八角 形H椭圆 形B15R1239.677.9414.2912.75.23R1239.677.9414.2912.75.2320R1444.457.9414.2912.75.23R1444.457.9414.2912.75.23125R1650.87.9414.2912.75.23R1650.87.9414.2912.75.2332R1860.327.9414.2912.75

6、.23R1860.327.9414.2912.75.2340R2068.287.9414.2912.75.23R2068.287.9414.2912.75.23250R2495.2511.1117.4615.887.75R2495.2511.1117.4615.887.7565R27107.9511.1117.4615.887.75R27107.9511.1117.4615.887.75380R31123.8211.1117.4615.887.75R35136.5211.1117.4615.887.754100R37149.2211.1117.4615.887.75R39161.9211.11

7、17.4615.887.755125R41180.9811.1117.4615.887.75R44193.6811.1117.4615.887.756150R45211.1211.1117.4615.887.75R46211.1212.719.0517.468.668200R49269.8811.1117.4615.887.75R50269.8815.8822.2320.6410.4910250R53323.8511.1117.4615.887.75R54323.8515.8822.2320.6410.4912300R5738111.1117.4615.887.75R5838122.2328.

8、5826.9914.8114350R62419.115.8822.2320.6410.49R63419.125.433.3431.7517.316400R66469.915.8822.2320.6410.49R67469.928.5836.5134.9319.8118450R70533.419.0525.423.8112.32R71533.428.5836.5134.9319.8120500R74584.219.0525.423.8112.32R75584.231.7539.6938.122.3324600R78692.1525.433.3431.7517.3R79692.1534.9344.

9、4541.2824.82公称通径PN42.0 MPa(Class 2500)NPS/ inDNJ.环号R节径P环宽A环高坏平面 宽度C八角形H椭圆形B15R1239.677.9414.2912.720R1444.457.9414.2912.7125R1650.87.9414.2912.75.235.235.2332R1860.327.9414.2912.75.2340R2068.287.9414.2912.75.23250R2495.2511.1117.4615.887.7565R27107.9511.1117.4615.887.75380R31123.8211.1117.4615.887.754100R37149.2211.1117.4615.887.755125R41180.9811

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