|
|
阀体材质：CF8美标球阀产品性能规范
|
公称压力(PN) |
1.6 |
2.5 |
4.0 |
6.4 |
|
壳体试验压力 |
2.4 |
3.8 |
6.0 |
9.6 |
|
密封试验(液) |
1.8 |
2.8 |
4.4 |
7.0 |
|
密封试验(气) |
0.5～0.7 |
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|
适用介质 |
C P R |
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|
适用温度 |
≤200℃ |
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美标球阀主要零件材料
|
名称 |
WCB类 |
CF8类 |
CF3类 |
CF8M类 |
CF3M类 |
|
|
阀体左体 |
A216-WCB |
A315-CF8 |
A35-CF3 |
A351-CF8M |
A351-CF3M |
|
|
球体 |
B2-B8 |
A105-1025 |
A182-F304L |
A182-F304L |
A132-F316 |
A182-F316L |
|
B8以上 |
A216-WCB |
A351-CF8M |
A351-CF3 |
A351-CF8M |
A351-CF3M |
|
|
阀杆 |
A182-F6a |
A182-F304 |
A182-F304L |
A182-F336 |
A182-F316L |
|
|
阀座 |
PTFE/增强PTFE/NYLIN PTFE/Reinforced PTFE/Nyion |
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|
阀座支承圈 |
A105-1025 |
A182-F304 |
A182-F304L |
A182-F316 |
A182-F316L |
|
|
弹簧 |
|
3yc-7/17-49H |
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|
O形圈 |
NBR |
氟橡胶 |
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|
螺柱 |
A193-B7 |
A193-B8 |
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|
螺母 |
A194-2H |
A194-8 |
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美标球阀150Lb外形尺寸和连接尺寸
|
公称通径NPS |
单位 |
L |
D |
T |
G |
C |
n-φd |
W |
H |
|
|
in |
mm |
|||||||||
|
1/2" |
15 |
mm |
108 |
89 |
12 |
35 |
60.5 |
4-15 |
115 |
72 |
|
in |
4.25 |
3.5 |
0.47 |
1.38 |
2.38 |
4-0.59 |
4.53 |
28.3 |
||
|
3/4" |
20 |
mm |
117 |
98 |
12 |
43 |
70 |
4-15 |
115 |
76 |
|
in |
4.61 |
3.86 |
0.47 |
1.69 |
2.76 |
4-0.59 |
4.53 |
29.9 |
||
|
1" |
25 |
mm |
127 |
108 |
12 |
51 |
79.5 |
4-15 |
150 |
92 |
|
in |
5 |
4.25 |
0.47 |
2 |
3.13 |
4-0.59 |
5.9 |
3.62 |
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|
11/2" |
40 |
mm |
165 |
127 |
14.3 |
73 |
98.5 |
4-16 |
200 |
123 |
|
in |
6.5 |
5 |
0.56 |
2.88 |
3.88 |
4-0.62 |
7.87 |
4.84 |
||
|
2" |
50 |
mm |
178 |
152 |
15.9 |
92 |
120.5 |
4-19 |
200 |
132 |
|
in |
7 |
6.00 |
0.625 |
3.62 |
4.75 |
4-0.75 |
7.87 |
5.20 |
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|
21/2" |
65 |
mm |
190 |
178 |
17.5 |
105 |
139.5 |
4-19 |
320 |
164 |
