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API美標(biāo)API美標(biāo)截止閥的詳細(xì)資料：
截止閥特點
①美標(biāo)截止閥的設(shè)計制造符合美國國家標(biāo)準(zhǔn)ANSI BI16.34，美國國家標(biāo)準(zhǔn)BS1873等國外先進(jìn)標(biāo)準(zhǔn)要求。②閥體外型為桶形或流線形，造形美觀，流道形狀為直通式，流體阻力小。③關(guān)閉件（閥瓣）與閥座密封采用錐面密封，關(guān)閉力小，耐沖刷，密封可靠。④閥座可為更換式閥座，可任意組合與關(guān)閉件密封面材料的配對，以滿足各種工況要求，延長使用壽命。
截止閥
公稱通徑：1 1/2"-16"
壓力級Class：150-600MPa
適用介質(zhì)及溫度：
蒸汽、油品、水等≤425℃
API美標(biāo)截止閥產(chǎn)品性能規(guī)范
|
公稱壓力 |
強度試驗 |
水密封試驗 |
氣密封試驗 |
|
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
|
150 |
3.1 |
450 |
2.2 |
315 |
0.5～0.7 |
60～100 |
|
300 |
7.8 |
1125 |
5.6 |
815 |
|
600 |
15.3 |
2225 |
11.2 |
1630 |
|
900 |
23.1 |
3350 |
16.8 |
2440 |
|
1500 |
38.4 |
5575 |
28.1 |
4080 |
|
2500 |
64.6 |
9367 |
47.1 |
6873 |
API美標(biāo)截止閥產(chǎn)品性能規(guī)范主要零件材料
|
體、蓋、瓣 |
閥桿 |
密封面 |
墊片（環(huán)） |
填料 |
工作溫度（℃） |
適用介質(zhì) |
|
WCB |
2Cr13 |
13Cr
本體材料
尼龍 |
增強柔性石墨13Cr/柔性石墨
F304
F316
F304L
F316L |
柔性石墨
增強柔性石墨 |
425 |
水、蒸汽、油品 |
|
WC1 |
38CrMoAl
25Cr2Mov |
450 |
|
WC6 |
540 |
|
WC9 |
570 |
|
C5 C12 |
540 |
|
CF8 |
F304 |
600 |
硝酸、醋酸、尿素 |
|
CF3 |
F316 |
|
CF8M |
F304L |
|
CF3M |
F316L |
API美標(biāo)截止閥產(chǎn)品性能規(guī)范主要外形和連接尺寸
|
型號 |
規(guī)格 |
尺寸 |
|
in |
DN |
L |
D |
D1 |
D2 |
B |
Z-d |
H |
D0 |
|
150Lb |
?" |
15 |
108 |
89 |
60.5 |
35 |
12 |
4-15 |
200 |
100 |
|
?" |
20 |
117 |
98 |
70 |
43 |
12 |
4-15 |
205 |
120 |
|
1" |
25 |
127 |
108 |
79.5 |
51 |
12 |
4-15 |
220 |
140 |
|
1?" |
32 |
140 |
117 |
89 |
64 |
13 |
4-15 |
240 |
150 |
|
1?" |
40 |
165 |
127 |
98.5 |
73 |
15 |
4-15 |
260 |
160 |
|
2" |
50 |
203 |
152 |
120.5 |
92 |
16 |
4-19 |
295 |
220 |
|
2?" |
65 |
216 |
178 |
139.5 |
105 |
18 |
4-19 |
325 |
220 |
|
3" |
80 |
241 |
190 |
152.5 |
127 |
19 |
4-19 |
360 |
240 |
|
4" |
100 |
292 |
229 |
190.5 |
157 |
24 |
8-19 |
420 |
280 |
|
5" |
125 |
256 |
254 |
216 |
186 |
24 |
8-22 |
460 |
350 |
|
6" |
150 |
406 |
279 |
241.5 |
216 |
26 |
8-22 |
500 |
400 |
|
8" |
200 |
495 |
343 |
298.5 |
270 |
29 |
8-22 |
550 |
450 |
|
10" |
250 |
622 |
406 |
362 |
324 |
31 |
12-25 |
650 |
500 |
|
12" |
300 |
698 |
483 |
432 |
381 |
32 |
12-25 |
850 |
550 |
|
300Lb |
?" |
15 |
152 |
95 |
66.5 |
35 |
15 |
4-15 |
220 |
120 |
|
?" |
20 |
178 |
117 |
82.5 |
43 |
16 |
4-19 |
230 |
120 |
|
1" |
25 |
203 |
124 |
89 |
51 |
18 |
4-19 |
260 |
140 |
|
1?" |
32 |
216 |
133 |
98.5 |
64 |
19 |
4-19 |
280 |
140 |
|
1?" |
40 |
229 |
156 |
114.5 |
73 |
21 |
4-22 |
300 |
200 |
|
2" |
50 |
267 |
165 |
127 |
92 |
22 |
8-19 |
330 |
240 |
|
2?" |
65 |
292 |
190 |
149 |
105 |
25 |
8-22 |
360 |
240 |
|
3" |
80 |
318 |
210 |
168.5 |
127 |
29 |
8-22 |
400 |
280 |
|
4" |
100 |
356 |
254 |
200 |
157 |
32 |
8-22 |
460 |
320 |
|
5" |
125 |
400 |
279 |
235 |
186 |
35 |
8-22 |
500 |
400 |
|
6" |
150 |
444 |
318 |
270 |
216 |
37 |
12-22 |
550 |
500 |
|
8" |
200 |
559 |
381 |
330 |
270 |
41 |
12-25 |
600 |
550 |
|
10" |
250 |
622 |
445 |
387.5 |
324 |
48 |
16-29 |
700 |
600 |
|
12" |
300 |
711 |
521 |
451 |
381 |
51 |
16-32 |
900 |
650 |
|
600Lb |
?" |
15 |
165 |
95 |
66.5 |
35 |
15 |
4-15 |
220 |
120 |
|
?" |
20 |
190 |
118 |
82.5 |
43 |
16 |
4-19 |
230 |
120 |
|
1" |
25 |
216 |
124 |
89 |
51 |
18 |
4-19 |
260 |
140 |
|
1?" |
32 |
229 |
133 |
98.5 |
64 |
21 |
4-19 |
280 |
140 |
|
1?" |
40 |
241 |
156 |
114.5 |
73 |
23 |
4-22 |
300 |
200 |
|
2" |
50 |
292 |
165 |
127 |
92 |
26 |
8-19 |
330 |
240 |
|
2?" |
65 |
330 |
190 |
149 |
105 |
29 |
8-22 |
400 |
240 |
|
3" |
80 |
356 |
210 |
168 |
127 |
32 |
8-22 |
440 |
280 |
|
4" |
100 |
432 |
273 |
216 |
157 |
38 |
8-25 |
500 |
350 |
|
5" |
125 |
508 |
330 |
266.5 |
186 |
45 |
8-29 |
550 |
400 |
|
6" |
150 |
559 |
356 |
292 |
216 |
48 |
12-29 |
600 |
500 |
|
8" |
200 |
660 |
419 |
349 |
270 |
56 |
12-32 |
650 |
550 |
|
10" |
250 |
787 |
508 |
432 |
324 |
64 |
16-35 |
780 |
650 |
|
12" |
300 |
838 |
559 |
489 |
381 |
67 |
20-35 |
980 |
70 | | 
