美标截止阀产品用途：
API截止阀适用于石油、化工、水力、火力电站等各种工况的管路上，切断或接通介质。适用介质为：水、油品、蒸汽等。操作方式有：手动、齿轮传动、电动等。
美标截止阀产品结构特点
1.产品按国家标准GB12235，结构合理,密封可靠，性能优良、造形美观。
2.阀瓣、阀座的密封面采用硬质合金堆焊或本体加工而成，耐磨、耐高温，耐腐蚀，抗擦伤性能好、使用寿命长。
3.阀杆经调质和表面处理，有良好的耐腐蚀性和抗擦伤性。
4.可采用各种配管法兰标准及法兰密封面型式，满足各种工程需要及用户要求。
5.阀体材料品种齐全，填料、垫片根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。
主要性能规范Chief property and specification
|
材质名称 |
适用温度 |
适用介质 |
|
CF8 |
≤200℃ |
? |
|
OCr18Ni9 |
? | |
|
CF8N |
NITRIC ACID | |
|
OCr18NiMo2ti |
硝酸类 | |
|
CF3 |
NITRIC ACID | |
|
OOCr18Ni10 |
硝酸类 | |
|
CF3M |
NITRIC ACID | |
|
OOCr17Ni14Mo2 |
硝酸类 |
150Lb连接尺寸和外形尺寸150Lb External and connecting dimensions （mm）
|
公称通径NPS |
单位 |
L |
D |
C |
G |
T |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
1/2〞 |
15 |
mm |
108 |
89 |
60.5 |
35 |
12 |
4-15 |
125 |
169 |
|
in |
4.25 |
3.5 |
2.38 |
1.38 |
0.47 |
4-0.59 |
4.92 |
6.65 | ||
|
3/4〞 |
20 |
mm |
117 |
98 |
70 |
43 |
12 |
4-15 |
125 |
180 |
|
in |
4.61 |
3.86 |
2.76 |
1.69 |
0.47 |
4-0.59 |
4.92 |
7.08 | ||
|
1〞 |
25 |
mm |
127 |
108 |
79.5 |
51 |
12 |
4-15 |
125 |
190 |
|
in |
5 |
4.25 |
3.13 |
2 |
0.47 |
4-0.59 |
4.92 |
7.48 | ||
|
11/2〞 |
40 |
mm |
165 |
127 |
98.5 |
73 |
14.3 |
4-16 |
180 |
347 |
|
in |
6.5 |
5 |
3.88 |
2.88 |
0.56 |
4-0.62 |
7.09 |
13.66 | ||
|
2〞 |
50 |
mm |
178 |
152 |
120.5 |
92 |
15.9 |
4-19 |
180 |
365 |
|
in |
7 |
6 |
4.75 |
3.62 |
0.625 |
4-0.75 |
7.09 |
14 | ||
|
21/2〞 |
65 |
mm |
190 |
178 |
139.5 |
105 |
17.5 |
4-19 |
240 |
381 |
|
in |
7.5 |
7 |
5.50 |
4.12 |
0.69 |
4-0.75 |
9.45 |
15.00 | ||
|
3〞 |
80 |
mm |
203 |
190 |
152.4 |
127 |
19.1 |
4-19 |
280 |
413 |
|
in |
8 |
7.5 |
6 |
5 |
0.75 |
4-0.75 |
11.02 |
16.25 | ||
|
4〞 |
100 |
mm |
229 |
229 |
190.5 |
157 |
23.9 |
8-19 |
280 |
500 |
|
in |
9 |
9 |
7.5 |
6.19 |
0.94 |
8-0.75 |
11.02 |
19.68 | ||
|
6〞 |
150 |
mm |
394 |
279 |
241.5 |
216 |
26 |
8-22 |
360 |
656 |
|
in |
15.5 |
11.00 |
9.50 |
8.5 |
1.02 |
8-0.88 |
14.14 |
22.25 | ||
|
8〞 |
200 |
mm |
457 |
343 |
298.5 |
270 |
29 |
8-22 |
450 |
660 |
|
in |
18.00 |
13.50 |
11.75 |
10.62 |
1.12 |
8-0.88 |
17.75 |
26.00 | ||
300Lb连接尺寸和外形尺寸300Lb External and connecting dimensions （mm）
|
公称通径NPS |
单位 |
L |
D |
T |
G |
C |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
1/2〞 |
15 |
mm- |
152 |
95 |
15 |
35 |
66.5 |
4-15 |
125 |
190 |
|
in |
5.98 |
3.74 |
0.59 |
1.38 |
2.62 |
4-0.59 |
4.92 |
7.48 | ||
|
3/4〞 |
20 |
mm |
178 |
117 |
16 |
43 |
82.5 |
4-19 |
125 |
212 |
|
in |
7 |
4.61 |
0.62 |
1.69 |
3.25 |
4-0.75 |
4.92 |
8.35 | ||
|
1〞 |
25 |
mm |
203 |
124 |
18 |
51 |
89 |
4-19 |
160 |
231 |
|
in |
8 |
4.9 |
0.71 |
2 |
3.5 |
4-0.75 |
6.2 |
9.1 | ||
|
11/2〞 |
40 |
mm |
229 |
156 |
20.7 |
73 |
114.5 |
4-22 |
200 |
391 |
|
in |
9 |
6.12 |
0.81 |
2.88 |
4.51 |
4-0.88 |
7.87 |
12.43 | ||
|
2〞 |
50 |
mm |
267 |
165 |
22.3 |
92 |
127 |
8-19 |
200 |
406 |
|
in |
10.5 |
6.5 |
0.88 |
3.62 |
5 |
8-0.75 |
7.87 |
16.00 | ||
|
21/2〞 |
65 |
mm |
292 |
190 |
25.4 |
105 |
149 |
8-22 |
240 |
457 |
|
in |
11.50 |
7.5 |
1 |
4.12 |
5.87 |
8-0.88 |
9.45 |
18.00 | ||
|
3〞 |
80 |
mm |
318 |
210 |
28.5 |
127 |
168.5 |
8-22 |
280 |
470 |
|
in |
12.50 |
8.25 |
1012 |
5 |
6.62 |
8-0.88 |
11.02 |
18.50 | ||
|
4〞 |
100 |
mm |
356 |
254 |
31.8 |
157 |
200 |
8-22 |
320 |
590 |
|
in |
14.00 |
10 |
1.25 |
6.19 |
7.88 |
8-0.88 |
12.60 |
22.30 | ||
|
6〞 |
150 |
mm |
444 |
318 |
36.6 |
216 |
270 |
12-22 |
500 |
711 |
|
in |
17.50 |
12.5 |
1.44 |
8.5 |
10.62 |
12-0.88 |
19.68 |
28.00 | ||
|
8〞 |
200 |
mm |
559 |
381 |
41.3 |
270 |
330 |
12-25 |
500 |
750 |
|
in |
22.00 |
15 |
1.62 |
10.62 |
13.00 |
12-1 |
19.68 |
29.50 | ||
600Lb连接尺寸和外形尺寸600Lb External and connecting dimensions （mm）
|
公称通径NPS |
单位 |
L |
D |
T |
G |
C |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
1/2〞 |
15 |
mm- |
152 |
95 |
15 |
35 |
66.5 |
4-15 |
160 |
285 |
|
in |
5.98 |
3.74 |
0.59 |
1.38 |
2.62 |
4-0.59 |
0.62 |
11.22 | ||
|
3/4〞 |
20 |
mm |
178 |
117.5 |
16 |
43 |
82.5 |
4-19 |
160 |
285 |
|
in |
7 |
4.16 |
0.62 |
1.69 |
3.25 |
4-0.75 |
0.62 |
11.22 | ||
|
1〞 |
25 |
mm |
203 |
124 |
18 |
51 |
89 |
4-19 |
160 |
313 |
|
in |
8 |
4.9 |
0.71 |
2 |
3.5 |
4-0.75 |
0.62 |
12.32 | ||
|
11/2〞 |
40 |
mm |
229 |
156 |
23 |
73 |
114.5 |
4-22 |
240 |
365 |
|
in |
9 |
6.12 |
0.91 |
2.88 |
4.51 |
4-0.88 |
9.45 |
14.17 | ||
|
2〞 |
50 |
mm |
267 |
165 |
25 |
92 |
127 |
8-19 |
240 |
444 |
|
in |
10.5 |
6.5 |
1.00 |
3.62 |
5 |
8-0.75 |
9.45 |
17.50 | ||
|
21/2〞 |
65 |
mm |
292 |
190 |
29 |
105 |
149 |
8-22 |
240 |
483 |
|
in |
11.50 |
7.5 |
1.12 |
4.12 |
5.87 |
8-0.88 |
9.45 |
19 | ||
|
3〞 |
80 |
mm |
318 |
210 |
32 |
127 |
168.5 |
8-22 |
280 |
533 |
|
in |
12.50 |
8.25 |
12.5 |
5 |
6.62 |
8-0.88 |
11.20 |
21 | ||
|
4〞 |
100 |
mm |
356 |
273 |
38.0 |
157 |
216 |
8-25 |
360 |
622 |
|
in |
14.00 |
10.75 |
1.5 |
6.19 |
8.5 |
8-1.00 |
14.17 |
24.50 | ||
|
6〞 |
150 |
mm |
444 |
356 |
47.7 |
216 |
292 |
12-29 |
500 |
800 |
|
in |
17.50 |
14 |
1.88 |
8.5 |
11.5 |
12-1.14 |
19.68 |
31.50 | ||
|
8〞 |
200 |
mm |
559 |
419 |
55.6 |
270 |
349 |
12-32 |
55. |
927 |
|
in |
22.00 |
16.50 |
2.19 |
10.62 |
13.75 |
12-1.25 |
21.65 |
36.50 | ||
