钢管外径D

瓣数

间隙h

偏转角

73/76

2

4

2°43'

89

2

5

2°23'

108/114.3

2

5

1°50'

127

2

5

1°40'

133

2

5

1°36'

159

2

6

1°21'

168

2

6

1°2'

194

2

10

1°7'

219

2

10

1°

273

2

20

0°48'