咨詢(xún)熱線：13968777222
咨詢(xún)熱線：13968777222
閘閥是最常用的截?cái)嚅y之一，主要用來(lái)接通或截?cái)喙苈分械慕橘|(zhì)，不適用于調(diào)節(jié)介質(zhì)流量，閘閥適用的壓力、溫度及口徑范圍很大，尤其適用于中、大口徑的管道。
1、閘閥的主要優(yōu)點(diǎn)
(1)流體阻力小，閘閥閥體內(nèi)部介質(zhì)通道是直通的，介質(zhì)流經(jīng)閘閥時(shí)不改變其流動(dòng)方向，因而流動(dòng)阻力較小
(2)啟閉較省力，啟閉時(shí)閘板運(yùn)動(dòng)方向與介質(zhì)流動(dòng)方向相垂直，與截止閥相比、閘閥的啟閉較為省力。
(3)介質(zhì)流動(dòng)方向一般不受限制。介質(zhì)可從閘閥兩側(cè)任意方向流過(guò)，均能達(dá)到接通或截?cái)嗟哪康?。便于安裝，適用于介質(zhì)的流動(dòng)方向可能改變的管路中。
150Lb連接尺寸和外形尺寸150Lb External and connecting dimensions （mm）
|
公稱(chēng)通徑NPS |
單位 Unit |
L |
D |
T |
G |
C |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
1/2〞 |
15 |
mm |
108 |
89 |
12 |
35 |
60.5 |
4-15 |
90 |
188 |
|
in |
4.25 |
3.5 |
0.47 |
1.38 |
2.38 |
4-0.59 |
3.54 |
7.40 | ||
|
3/4〞 |
20 |
mm |
117 |
98 |
12 |
43 |
70 |
4-15 |
90 |
202 |
|
in |
4.61 |
3.86 |
0.47 |
1.69 |
2.76 |
4-0.59 |
3.54 |
7.95 | ||
|
1〞 |
25 |
mm |
127 |
108 |
12 |
51 |
79.5 |
4-15 |
100 |
225 |
|
in |
5 |
4.25 |
0.47 |
2 |
3.13 |
4-0.59 |
4 |
8.86 | ||
|
11/2〞 |
40 |
mm |
165 |
127 |
14.3 |
73 |
98.5 |
4-16 |
200 |
362 |
|
in |
6.5 |
5 |
0.56 |
2.88 |
3.88 |
4-0.62 |
8 |
14.25 | ||
|
2〞 |
50 |
mm |
178 |
152 |
15.9 |
92 |
120.5 |
4-19 |
200 |
409 |
|
in |
7 |
6.00 |
0.625 |
3.62 |
4.75 |
4-0.75 |
8 |
16.1 | ||
|
21/2〞 |
65 |
mm |
190 |
178 |
17.5 |
105 |
139.5 |
4-19 |
250 |
500 |
|
in |
7.5 |
7 |
0.69 |
4.12 |
5.50 |
4-0.75 |
10 |
19.68 | ||
|
3〞 |
80 |
mm |
203 |
190 |
19.1 |
127 |
152.4 |
4-19 |
250 |
570 |
|
in |
8 |
7.50 |
0.75 |
5 |
6 |
4-0.75 |
10 |
22.58 | ||
|
4〞 |
100 |
mm |
229 |
229 |
23.9 |
157 |
190.5 |
8-19 |
250 |
590 |
|
in |
9 |
9 |
0.94 |
6.19 |
7.5 |
8-0.75 |
10 |
23.6 | ||
|
6〞 |
150 |
mm |
267 |
279 |
25.4 |
216 |
241.5 |
8-22 |
300 |
630 |
|
in |
10.50 |
11 |
1 |
8.5 |
9.50 |
8-0.88 |
12 |
24.8 | ||
|
8〞 |
200 |
mm |
292 |
343 |
28.5 |
270 |
298.5 |
8-22 |
350 |
960 |
|
in |
11.5 |
13.50 |
1.12 |
10.62 |
11.75 |
8-0.88 |
13.88 |
37.8 | ||
|
10〞 |
250 |
mm |
330 |
406 |
30.2 |
342 |
362 |
12-25 |
400 |
1158 |
|
in |
13 |
16 |
1198 |
12.75 |
14.75 |
12-1 |
15.7 |
45.6 | ||
|
12〞 |
300 |
mm |
356 |
483 |
31.8 |
381 |
432 |
12-25 |
450 |
1378 |
|
in |
14 |
19 |
1.25 |
15 |
17 |
12-1 |
17.7 |
54.3 | ||
|
14〞 |
350 |
mm |
381 |
533 |
35 |
413 |
476 |
12-29 |
500 |
1543 |
|
in |
15 |
21 |
1.38 |
16.25 |
18.75 |
12-1.2 |
79.7 |
60.75 | ||
|
16〞 |
400 |
mm |
406 |
597 |
36.6 |
470 |
539.5 |
16-29 |
600 |
1738 |
|
in |
16 |
23.5 |
1.44 |
18.5 |
21.25 |
16-1.12 |
23.6 |
68.4 | ||
300Lb連接尺寸和外形尺寸 300Lb External and connecting dimensions （mm）
|
公稱(chēng)通徑NPS |
單位 |
L |
D |
T |
G |
C |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
1/2〞 |
15 |
mm- |
140 |
95 |
15 |
35 |
66.5 |
4-15 |
100 |
201 |
|
in |
5.51 |
3.74 |
0.59 |
1.38 |
2.62 |
4-0.59 |
4 |
7.91 | ||
|
3/4〞 |
20 |
mm |
152 |
117 |
16 |
43 |
82.5 |
4-19 |
100 |
212 |
|
in |
5.98 |
4.61 |
0.62 |
1.69 |
3.25 |
4-0.75 |
4 |
8.35 | ||
|
1〞 |
25 |
mm |
165 |
124 |
18 |
51 |
89 |
4-19 |
140 |
237 |
|
in |
6.5 |
4.9 |
0.71 |
2 |
3.5 |
4-0.75 |
5.51 |
9.33 | ||
|
11/2〞 |
40 |
mm |
190 |
156 |
20.7 |
73 |
114.5 |
4-22 |
200 |
407 |
|
in |
7.5 |
6.12 |
0.81 |
2.88 |
4.51 |
4-0.88 |
8 |
16.02 | ||
|
2〞 |
50 |
mm |
216 |
165 |
22.3 |
92 |
127 |
8-19 |
200 |
424 |
|
in |
8.5 |
6.5 |
0.88 |
3.62 |
5 |
8-0.75 |
8 |
16.7 | ||
|
21/2〞 |
65 |
mm |
241 |
190 |
25.4 |
105 |
149 |
8-22 |
250 |
265 |
|
in |
9.5 |
7.5 |
1 |
4.12 |
5.87 |
8-0.88 |
10 |
18.31 | ||
|
3〞 |
80 |
mm |
283 |
210 |
28.5 |
127 |
168.5 |
8-22 |
250 |
535 |
|
in |
11.25 |
8.25 |
1012 |
5 |
6.62 |
8-0.88 |
10 |
21 | ||
|
4〞 |
100 |
mm |
305 |
254 |
31.8 |
157 |
200 |
8-22 |
250 |
615 |
|
in |
12 |
10 |
1.25 |
6.19 |
7.88 |
8-0.88 |
10 |
24.2 | ||
|
6〞 |
150 |
mm |
4.3 |
318 |
36.6 |
216 |
270 |
12-22 |
350 |
795 |
|
in |
15.875 |
12.5 |
1.44 |
8.5 |
10.62 |
12-0.88 |
140 |
31.3 | ||
|
8〞 |
200 |
mm |
419 |
381 |
41.3 |
270 |
330 |
12-25 |
400 |
1012 |
|
in |
16.5 |
15 |
1.62 |
10.62 |
12.99 |
12-1 |
15.7 |
39.9 | ||
|
10〞 |
250 |
mm |
457 |
444 |
47.7 |
342 |
387.5 |
16-29 |
450 |
1231 |
|
in |
18 |
17.50 |
1.88 |
12.75 |
15.25 |
16-1.12 |
17.7 |
48.5 | ||
600Lb連接尺寸和外形尺寸 600Lb External and connecting dimensions （mm）
|
公稱(chēng)通徑NPS |
單位 |
L |
D |
T |
G |
C |
n-Ф |
W |
H | |
|
in |
mm | |||||||||
|
2〞 |
15 |
mm |
292 |
165 |
25.4 |
92 |
127 |
8-19 |
250 |
458 |
|
in |
11.5 |
6.5 |
1 |
3.62 |
5 |
8-0.75 |
10 |
18 | ||
|
21/2〞 |
20 |
mm |
330 |
190 |
28.6 |
105 |
149 |
8-22 |
250 |
485 |
|
in |
13 |
7.48 |
1.13 |
4.12 |
5.87 |
8-0.88 |
10 |
10.09 | ||
|
3〞 |
25 |
mm |
356 |
210 |
31.8 |
17 |
168 |
8-22 |
250 |
570 |
|
in |
14 |
8.25 |
1.25 |
5 |
6.62 |
8-0.88 |
10 |
22.58 | ||
|
4〞 |
40 |
mm |
432 |
273 |
31.8 |
157 |
216 |
8-25 |
350 |
690 |
|
in |
17 |
10.75 |
1.5 |
6.19 |
8.5 |
8-1 |
14 |
27.2 | ||
|
6〞 |
50 |
mm |
559 |
356 |
4.7 |
216 |
292 |
12-29 |
450 |
910 |
|
in |
22 |
14 |
1.88 |
8.5 |
11.50 |
12-1.12 |
18 |
35.8 | ||
|
8〞 |
65 |
mm |
660 |
419 |
55.6 |
270 |
349 |
12-32 |
500 |
1064 |
|
in |
26 |
16.5 |
2.19 |
10.62 |
13.75 |
12-1.25 |
17.7 |
41.9 | ||
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