|
内螺纹球阀性能规范：
|
|
公称压力PN
|
2.5
|
4.0
|
6.4
|
MPa
|
|
强度试验压力
|
3.75
|
6.0
|
9.6
|
|
密封试验压力
|
2.75
|
4.4
|
7.04
|
|
气体试验压力
|
2.2
|
|
适用介质
|
C
|
P
|
R
|
|
水、油品、蒸气
|
硝酸类
|
醋酸类
|
|
适用温度
|
≤150oC
|
|
|
|
|
|
|
主要外形尺寸和连接尺寸：
|
|
公称通径DN(mm)
|
尺寸(mm)
|
|
L
|
D
|
D1
|
D2
|
D6
|
b
|
f
|
f1
|
z-φd
|
D3
|
H
|
H1
|
D0
|
|
15
|
130
|
95
|
65
|
45
|
40
|
16
|
2
|
4
|
4-14
|
85
|
242
|
258
|
120
|
|
20
|
150
|
105
|
75
|
55
|
51
|
16
|
2
|
4
|
4-14
|
100
|
250
|
267
|
120
|
|
25
|
160
|
115
|
85
|
65
|
58
|
16
|
2
|
4
|
4-14
|
105
|
260
|
276
|
160
|
|
20
|
190
|
135
|
100
|
78
|
66
|
18
|
2
|
4
|
4-18
|
120
|
280
|
308
|
160
|
|
40
|
200
|
145
|
110
|
85
|
76
|
18
|
3
|
4
|
4-18
|
135
|
330
|
354
|
200
|
|
50
|
230
|
160
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
150
|
350
|
380
|
240
|
|
65
|
290
|
180
|
145
|
120
|
110
|
22
|
3
|
4
|
8-18
|
175
|
400
|
428
|
280
|
|
80
|
310
|
195
|
160
|
135
|
121
|
22
|
3
|
4.5
|
8-18
|
230
|
465
|
506
|
360
|
|
100
|
350
|
230
|
190
|
160
|
150
|
24
|
3
|
405
|
8-23
|
230
|
465
|
506
|
360
|
|
125
|
400
|
270
|
220
|
188
|
176
|
28
|
4
|
4.5
|
8-25
|
273
|
502
|
556
|
400
|
|
150
|
480
|
300
|
250
|
218
|
204
|
30
|
5
|
4.5
|
8-25
|
330
|
560
|
615
|
400
|
|
200
|
600
|
360
|
310
|
278
|
-
|
34
|
5
|
4.5
|
12-25
|
365
|
580
|
635
|
400
|
|
|
|
|
|
|
公称通径DN(mm)
|
尺寸(mm)
|
|
d
|
L
|
H
|
M
|
E
|
W
|
|
2.5Mpa
4.0 Mpa
6.4 Mpa
|
8
|
8
|
85
|
56
|
M20×1.5
|
15
|
110
|
|
10
|
10
|
85
|
58
|
M24×1.5
|
16
|
110
|
|
15
|
10
|
85
|
58
|
M30×2
|
18
|
110
|
|
20
|
13
|
90
|
62
|
M36×2
|
18
|
110
|
|
25
|
18
|
100
|
68
|
M42×2
|
20
|
110
|
|
32
|
22
|
120
|
75
|
M52×2
|
20
|
150
|
|
40
|
26
|
135
|
83
|
M62×3
|
25
|
150
|
|
50
|
32
|
140
|
90
|
M72×3
|
25
|
150
|
|
|
|
|
公称通径DN(mm)
|
尺寸(mm)
|
|
in
|
B
|
D
|
A
|
L
|
H
|
W
|
|
2.5Mpa
4.0 Mpa
6.4 Mpa
|
8
|
1/4
|
11.5
|
8
|
30
|
60
|
56
|
110
|
|
10
|
3/8
|
11.5
|
10
|
31
|
60
|
58
|
110
|
|
15
|
1/2
|
14
|
10
|
32
|
60
|
58
|
110
|
|
20
|
3/4
|
15
|
13
|
38
|
67.3
|
62
|
110
|
|
25
|
1
|
15
|
28
|
45
|
73
|
68
|
110
|
|
32
|
5/4
|
18
|
22
|
53
|
90
|
75
|
150
|
|
40
|
3/2
|
19
|
26
|
63
|
97.5
|
83
|
150
|
|
50
|
2
|
19
|
32
|
73
|
112
|
90
|
150
|
|
|
|
|
公称通径DN(mm)
|
尺寸(mm)
|
|
d
|
L
|
H
|
D
|
D1
|
D2
|
b
|
f
|
z-φd
|
W
|
|
2.5Mpa
|
25
|
22
|
194
|
78
|
115
|
85
|
65
|
16
|
2
|
4-14
|
150
|
|
50
|
46
|
230
|
88
|
160
|
125
|
100
|
20
|
3
|
4-18
|
180
|
|
|
|
