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| Class 250 Check Valve 止回閥 |
| 產品類別：美標閥系列 |
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技術要求：
設計和制造:ANSI B16.34、API 6D、BS1868
結構長度：ANSI B16.10、API 6D
法蘭連接：ANSI B16.5
試驗和驗收：API 598、API 6D |
尺寸和重量Dimensions & weight：
|
公稱壓力PN(MPa)
|
1.0(1.6)
|
2.5
|
4.0
|
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公稱通徑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
|
0.15
|
16
|
53
|
0.2
|
25
|
53
|
0.23
|
|
20
|
19
|
63
|
0.25
|
19
|
63
|
0.3
|
31.5
|
63
|
0.35
|
|
25
|
22
|
73
|
0.4
|
22
|
73
|
0.45
|
35.5
|
73
|
0.53
|
|
32
|
28
|
84
|
0.55
|
28
|
84
|
0.6
|
40
|
84
|
0.8
|
|
40
|
31.5
|
94
|
0.75
|
31.5
|
94
|
0.8
|
45
|
94
|
1.2
|
|
50
|
40
|
109
|
1.1
|
40
|
109
|
1.2
|
56
|
109
|
1.9
|
|
65
|
46
|
129
|
2.0
|
46
|
129
|
2.3
|
63
|
129
|
2.9
|
|
80
|
50
|
144
|
2.6
|
50
|
144
|
3.0
|
71
|
144
|
5.5
|
|
100
|
60
|
164
|
5.7
|
60
|
170
|
7.0
|
80
|
170
|
9
|
|
125
|
90
|
194
|
10
|
90
|
197
|
12
|
110
|
197
|
14.5
|
|
150
|
106
|
220
|
13
|
106
|
227
|
15
|
125
|
227
|
19
|
|
公稱壓力PN(MPa)
|
6.3(6.4)
|
10.0
|
16.0
|
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公稱通徑DN(MPa)
|
尺寸(mm)
|
重量(Kg)
|
尺寸(mm)
|
重量(Kg)
|
尺寸(mm)
|
重量(Kg)
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|
L
|
D
|
L
|
D
|
L
|
D
|
|
1
|
2
|
|
15
|
25
|
63
|
0.3
|
25
|
63
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0.3
|
25
|
59
|
63
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0.3
|
|
20
|
31.5
|
74
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0.4
|
31.5
|
74
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0.4
|
31.5
|
70
|
74
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0.4
|
|
25
|
35.5
|
84
|
0.6
|
35.5
|
84
|
0.6
|
35.5
|
80
|
84
|
0.6
|
|
32
|
40
|
90
|
1.0
|
40
|
90
|
1.0
|
40
|
93
|
90
|
1.0
|
|
40
|
45
|
105
|
1.5
|
45
|
105
|
1.5
|
45
|
101
|
105
|
1.5
|
|
50
|
56
|
115
|
2.0
|
56
|
122
|
2.2
|
56
|
143
|
122
|
2.2
|
|
65
|
63
|
140
|
3.2
|
63
|
147
|
3.5
|
63
|
163
|
147
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3.5
|
|
80
|
71
|
150
|
7.2
|
71
|
157
|
7.5
|
71
|
178
|
157
|
7.5
|
|
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
|
24
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注：1適用于JB/T74(JB74-90)標準，2適用于HGJ44-76、DIN2548標準
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公稱壓力或壓力級
|
PN2.0MPa、Class150
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PN5.0MPa、Class300
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|
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公稱通徑
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
|
尺寸(mm)
|
重量
(Kg)
|
|
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
|
0.3
|
|
20
|
3/4
|
19
|
57
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0.3
|
31.5
|
65
|
0.36
|
31.5
|
65
|
0.38
|
31.5
|
69
|
0.4
|
|
25
|
1
|
22
|
66
|
0.45
|
35.5
|
72
|
0.52
|
35.5
|
72
|
0.55
|
35.5
|
78
|
0.6
|
|
32
|
1(1/4)
|
28
|
75
|
0.6
|
40
|
81
|
0.75
|
40
|
81
|
0.8
|
40
|
88
|
1.0
|
|
40
|
1(1/2)
|
31.5
|
85
|
0.8
|
45
|
95
|
1.1
|
45
|
95
|
1.2
|
45
|
98
|
1.5
|
|
50
|
2
|
40
|
103
|
1.2
|
56
|
110
|
1.95
|
56
|
110
|
2.0
|
56
|
142
|
2.5
|
|
65
|
2(1/2)
|
46
|
122
|
2.3
|
63
|
129
|
2.9
|
63
|
129
|
3.0
|
63
|
167
|
4.0
|
|
80
|
3
|
50
|
135
|
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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