公稱通徑

公稱壓力

L
mm

D
mm/in

D1
mm/in

n-Φd
in

F
mm

DN

NPS

15

1/2

150

108/125

89/31/2

60.5/23/8

4-5/8

2

20

3/4

117/135

98/37/8

70/23/4

4-5/8

2

25

1

127/145

108/41/4

79.5/31/8

4-5/8

2

32

11/4

146/160

117/45/8

89/31/2

4-5/8

2

40

11/2

159/180

127/5

98.5/37/8

4-5/8

2

50

2

190/210

152/6

120.5/43/4

4-3/4

2

65

21/2

216/250

178/7

139.5/51/2

4-3/4

2

80

3

254/300

190/71/2

152.5/6

4-3/4

2

100

4

305/350

229/9

1901.5/71/2

4-3/4

2

125

5

356/400

254/10

216/81/2

8-7/8

2

150

6

406/460

279/11

241.5/91/2

8-7/8

2

200

8

521/570

343/131/2

298.5/113/4

8-7/8

2

250

10

635/680

406/16

362/141/4

12-1

2

300

12

749/790

483/19

432/17

12-1

2

350

14

787/900

533/21

476/183/4

12-11/8

2

400

16

914/1000

597/231/2

540/211/4

16-11/8

2