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| Class 250 Check Valve 止回阀 |
| 产品类别：美标阀系列 |
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技术要求：
设计和制造:ANSI B16.34、API 6D、BS1868
结构长度：ANSI B16.10、API 6D
法兰连接：ANSI B16.5
试验和验收：API 598、API 6D |
尺寸和重量Dimensions & weight：
|
公称压力PN(MPa)
|
1.0(1.6)
|
2.5
|
4.0
|
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公称通径DN(MPa)
|
尺寸(mm)
|
重量(Kg)
|
尺寸(mm)
|
重量(Kg)
|
尺寸(mm)
|
重量(Kg)
|
|
L
|
D
|
L
|
D
|
L
|
D
|
|
15
|
16
|
53
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0.15
|
16
|
53
|
0.2
|
25
|
53
|
0.23
|
|
20
|
19
|
63
|
0.25
|
19
|
63
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0.3
|
31.5
|
63
|
0.35
|
|
25
|
22
|
73
|
0.4
|
22
|
73
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0.45
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35.5
|
73
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0.53
|
|
32
|
28
|
84
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0.55
|
28
|
84
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0.6
|
40
|
84
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0.8
|
|
40
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31.5
|
94
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0.75
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31.5
|
94
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0.8
|
45
|
94
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1.2
|
|
50
|
40
|
109
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1.1
|
40
|
109
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1.2
|
56
|
109
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1.9
|
|
65
|
46
|
129
|
2.0
|
46
|
129
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2.3
|
63
|
129
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2.9
|
|
80
|
50
|
144
|
2.6
|
50
|
144
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3.0
|
71
|
144
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5.5
|
|
100
|
60
|
164
|
5.7
|
60
|
170
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7.0
|
80
|
170
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9
|
|
125
|
90
|
194
|
10
|
90
|
197
|
12
|
110
|
197
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14.5
|
|
150
|
106
|
220
|
13
|
106
|
227
|
15
|
125
|
227
|
19
|
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公称压力PN(MPa)
|
6.3(6.4)
|
10.0
|
16.0
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公称通径DN(MPa)
|
尺寸(mm)
|
重量(Kg)
|
尺寸(mm)
|
重量(Kg)
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尺寸(mm)
|
重量(Kg)
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|
L
|
D
|
L
|
D
|
L
|
D
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1
|
2
|
|
15
|
25
|
63
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0.3
|
25
|
63
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0.3
|
25
|
59
|
63
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0.3
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|
20
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31.5
|
74
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0.4
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31.5
|
74
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0.4
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31.5
|
70
|
74
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0.4
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|
25
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35.5
|
84
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0.6
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35.5
|
84
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0.6
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35.5
|
80
|
84
|
0.6
|
|
32
|
40
|
90
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1.0
|
40
|
90
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1.0
|
40
|
93
|
90
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1.0
|
|
40
|
45
|
105
|
1.5
|
45
|
105
|
1.5
|
45
|
101
|
105
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1.5
|
|
50
|
56
|
115
|
2.0
|
56
|
122
|
2.2
|
56
|
143
|
122
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2.2
|
|
65
|
63
|
140
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3.2
|
63
|
147
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3.5
|
63
|
163
|
147
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3.5
|
|
80
|
71
|
150
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7.2
|
71
|
157
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7.5
|
71
|
178
|
157
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7.5
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|
100
|
80
|
177
|
11
|
80
|
183
|
12
|
80
|
210
|
183
|
12
|
|
125
|
110
|
213
|
18
|
110
|
220
|
19
|
110
|
249
|
220
|
19
|
|
150
|
125
|
250
|
22
|
125
|
260
|
24
|
125
|
282
|
260
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24
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注：1适用于JB/T74(JB74-90)标准，2适用于HGJ44-76、DIN2548标准
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公称压力或压力级
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PN2.0MPa、Class150
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PN5.0MPa、Class300
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|
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公称通径
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
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|
mm
|
in
|
L
|
D
|
L
|
D
|
L
|
D
|
L
|
D
|
|
15
|
1/2
|
16
|
47
|
0.2
|
25
|
53
|
0.23
|
25
|
53
|
0.25
|
25
|
63
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0.3
|
|
20
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3/4
|
19
|
57
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0.3
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31.5
|
65
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0.36
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31.5
|
65
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0.38
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31.5
|
69
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0.4
|
|
25
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1
|
22
|
66
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0.45
|
35.5
|
72
|
0.52
|
35.5
|
72
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0.55
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35.5
|
78
|
0.6
|
|
32
|
1(1/4)
|
28
|
75
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0.6
|
40
|
81
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0.75
|
40
|
81
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0.8
|
40
|
88
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1.0
|
|
40
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1(1/2)
|
31.5
|
85
|
0.8
|
45
|
95
|
1.1
|
45
|
95
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1.2
|
45
|
98
|
1.5
|
|
50
|
2
|
40
|
103
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1.2
|
56
|
110
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1.95
|
56
|
110
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2.0
|
56
|
142
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2.5
|
|
65
|
2(1/2)
|
46
|
122
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2.3
|
63
|
129
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2.9
|
63
|
129
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3.0
|
63
|
167
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4.0
|
|
80
|
3
|
50
|
135
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3.0
|
71
|
148
|
5.5
|
71
|
148
|
6.0
|
71
|
205
|
8.0
|
|
100
|
4
|
60
|
173
|
7.0
|
80
|
180
|
9.0
|
80
|
192
|
10
|
80
|
247
|
13
|
|
125
|
5
|
90
|
196
|
12
|
110
|
215
|
15
|
110
|
240
|
17
|
110
|
288
|
20
|
|
150
|
6
|
106
|
222
|
15
|
125
|
250
|
20
|
125
|
265
|
22
|
125
|
|
25
|
|
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