1/2"

90

60.5

4-16

14

200

81

68

3/4"

100

70

4-16

15

215

81

68

1"

110

79.5

4-16

16

231

94

70

1"

120

89

4-16

17

248

105

83

1"

130

98.5

4-16

18

286

112

91

2"

152

120.5

4-18

20

312

133

108

2"

180

139.7

4-19

22

416

250

145

3"

192

152.4

4-19

24

425

250

145

4"

230

190.5

8-19

26

474

275

169

单位为毫米