公称
公 称 压 力 PN
尺寸
16
20
25
40
50
63
100
150、160
250、260
420
DN
阀 杆 的 最 小 直 径/mm
25
14.00
15.59
15.59
15.59
15.59
15.59
15.59
18.77
18.77
18.77
32
15.59
15.59
15.59
15.59
15.59
15.59
15.59
18.77
18.77
18.77
40
17.17
17.17
18.00
18.00
18.77
18.77
18.77
21.87
21.87
21.87
50
18.00
18.77
18.77
18.77
18.77
18.77
18.77
25.04
25.04
25.04
65
18.77
18.77
18.77
18.77
18.77
21.87
21.87
28.22
28.22
28.22
80
21.87
21.87
21.87
21.87
21.87
24.00
25.04
28.22
31.39
31.39
100
24.00
25.04
25.04
25.04
25.04
26.00
28.22
31.39
34.47
34.47
150
28.00
28.22
28.22
30.00
31.39
32.00
37.62
40.77
43.84
46.94
200
31.39
31.39
32.00
34.00
34.47
38.00
40.77
46.94
53.24
59.54
250
34.47
34.47
36.00
37.62
37.62
42.00
46.94
58.24
62.74
72.24
300
37.62
37.62
38.00
40.00
40.77
46.00
50.14
56.44
69.14
81.84
350
40.77
40.77
42.00
43.84
43.84
50.00
56.44
59.54
75.44
—
400
43.84
43.84
46.00
46.00
46.94
55.00
59.54
62.74
75.44
—
450
46.94
46.94
48.00
50.00
50.14
60.00
62.74
69.14
—
—
500
50.00
50.14
50.14
52.00
53.24
60.00
69.14
75.44
—
—
600
52.00
56.44
56.44
60.00
62.74
75.00
75.44
—
—
—
