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品牌： |
未填 |
所在地： |
浙江 |
起订： |
未填 |
供货总量： |
未填 |
有效期至： |
长期有效 |
详情介绍
产品特点
法兰截止阀属于强制密封式阀门，所以在阀门关闭时，向阀瓣施加压力，以强制密封面不泄漏。当介质由阀瓣下方进入阀内，操作力所需要克服的阻力，是阀杆和填料的磨擦力与由介质的压力所产生的推力，关阀门的力比开阀门的力大，所以阀杆的直径要大，否则会发生阀杆顶弯的故障。近年来，从自密封的阀门出现后，法兰截止阀的介质流向就改由阀瓣上方进入阀腔，这时在介质压力作用下，关阀门的力小，而开阀门的力大，阀杆的直径可以相应地减少。同时，在介质作用下，这种形式的阀门也较严密。
压力试验
|
公称压力(MPa) |
试验压力(MPa) |
|||
|
壳体 |
密封(水) |
密封(气) |
上密封 |
|
|
1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
|
2.5 |
3.8 |
2.8 |
2.8 |
|
|
4.0 |
6.0 |
4.4 |
4.4 |
|
|
6.4 |
9.6 |
7.0 |
7.0 |
|
|
10.0 |
15.0 |
11.0 |
11.0 |
|
外形尺寸
|
DN(mm) |
连接尺寸(mm) |
外形尺寸(mm) |
|||||||||
|
L |
D |
D1 |
D2 |
f |
b |
Z-Φd |
H手 |
D0 |
H电 |
电动装置 |
|
|
J41W-16P(P3、P8、R、R3、R8) J941W-16P(P3、P8、R、R3、R8) |
|||||||||||
|
10 |
130 |
90 |
60 |
40 |
2 |
14 |
4-14 |
198 |
120 |
- |
- |
|
15 |
130 |
95 |
65 |
45 |
2 |
14 |
4-14 |
218 |
120 |
- |
- |
|
20 |
150 |
105 |
75 |
55 |
2 |
16 |
4-14 |
258 |
140 |
- |
- |
|
25 |
160 |
115 |
85 |
65 |
2 |
16 |
4-14 |
275 |
160 |
- |
- |
|
32 |
180 |
135 |
100 |
78 |
2 |
18 |
4-18 |
280 |
180 |
- |
- |
|
40 |
200 |
145 |
110 |
85 |
3 |
18 |
4-18 |
330 |
200 |
- |
- |
|
50 |
230 |
160 |
125 |
100 |
3 |
20 |
4-18 |
350 |
220 |
645 |
DZW10I |
|
65 |
290 |
180 |
145 |
120 |
3 |
20 |
4-18 |
400 |
240 |
690 |
DZW10I |
|
80 |
310 |
195 |
160 |
135 |
3 |
20 |
4-18 |
455 |
280 |
715 |
DZW10 |
|
100 |
350 |
215 |
180 |
155 |
3 |
22 |
8-18 |
475 |
320 |
770 |
DZW15 |
|
125 |
400 |
245 |
210 |
185 |
3 |
22 |
8-18 |
490 |
350 |
780 |
DZW20 |
|
150 |
480 |
280 |
240 |
210 |
3 |
24 |
8-18 |
510 |
400 |
810 |
DZW30 |
|
200 |
600 |
335 |
295 |
265 |
3 |
24 |
8-23 |
710 |
400 |
967 |
DZW45 |
|
250 |
650 |
405 |
355 |
320 |
3 |
26 |
12-25 |
786 |
450 |
1143 |
DZW60 |
|
300 |
750 |
460 |
410 |
375 |
4 |
28 |
12-25 |
925 |
500 |
1292 |
DZW90 |
外形尺寸
|
DN(mm) |
连接尺寸(mm) |
外形尺寸(mm) |
|||||||||
|
L |
D |
D1 |
D2 |
f |
b |
Z-Φd |
H手 |
D0 |
H电 |
电动装置 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
J41W-25P(P3、P8、R、R3、R8) J941W-25P(P3、P8、R、R3、R8) |
|||||||||||
|
10 |
130 |
90 |
60 |
40 |
2 |
14 |
4-14 |
198 |
120 |
- |
- |
|
15 |
130 |
95 |
65 |
45 |
2 |
14 |
4-14 |
218 |
120 |
- |
- |
|
20 |
150 |
105 |
75 |
55 |
2 |
16 |
4-14 |
258 |
140 |
- |
- |
|
25 |
160 |
115 |
85 |
65 |
2 |
16 |
4-14 |
275 |
160 |
- |
- |
|
32 |
180 |
135 |
100 |
78 |
3 |
18 |
4-18 |
280 |
180 |
- |
- |
|
40 |
200 |
145 |
110 |
85 |
3 |
18 |
4-18 |
330 |
220 |
- |
- |
|
50 |
230 |
160 |
125 |
100 |
3 |
20 |
4-18 |
350 |
240 |
645 |
DZW10I |
|
65 |
290 |
180 |
145 |
120 |
3 |
22 |
8-18 |
400 |
280 |
690 |
DZW10I |
|
80 |
310 |
195 |
160 |
135 |
3 |
24 |
8-18 |
455 |
280 |
715 |
DZW15 |
|
100 |
350 |
230 |
190 |
160 |
3 |
24 |
8-22 |
475 |
320 |
770 |
DZW20 |
|
125 |
400 |
270 |
220 |
188 |
3 |
26 |
8-26 |
490 |
360 |
780 |
DZW30 |
|
150 |
480 |
300 |
250 |
218 |
3 |
28 |
8-26 |
510 |
400 |
810 |
DZW45 |
|
200 |
600 |
355 |
310 |
278 |
3 |
30 |
12-26 |
710 |
400 |
967 |
DZW60 |
|
250 |
650 |
425 |
370 |
332 |
3 |
32 |
12-30 |
786 |
450 |
1143 |
DZW90 |
|
300 |
750 |
485 |
430 |
390 |
3 |
34 |
16-30 |
925 |
500 |
1292 |
DZW120 |
外形尺寸
|
DN(mm) |
连接尺寸(mm) |
外形尺寸(mm) |
|||||||||||
|
L |
D |
D1 |
D2 |
D6 |
f |
f2 |
b |
Z-Φd |
H手 |
D0 |
H电 |
电动装置 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
J41W-40P(P3、P8、R、R3、R8) J941W-40P(P3、P8、R、R3、R8) |
|||||||||||||
|
10 |
130 |
90 |
60 |
40 |
35 |
4 |
3 |
14 |
4-14 |
198 |
120 |
- |
- |
|
15 |
130 |
95 |
65 |
45 |
40 |
4 |
3 |
14 |
4-14 |
233 |
120 |
- |
- |
|
20 |
150 |
105 |
75 |
55 |
51 |
4 |
3 |
16 |
4-14 |
275 |
140 |
- |
- |
|
25 |
160 |
115 |
85 |
65 |
58 |
4 |
3 |
16 |
4-14 |
285 |
160 |
- |
- |
|
32 |
180 |
135 |
100 |
78 |
66 |
4 |
3 |
18 |
4-18 |
302 |
180 |
- |
- |
|
40 |
200 |
145 |
110 |
85 |
76 |
4 |
3 |
18 |
4-18 |
355 |
200 |
- |
- |
|
50 |
230 |
160 |
125 |
100 |
88 |
4 |
3 |
20 |
4-18 |
373 |
240 |
645 |
DZW10I |
|
65 |
290 |
180 |
145 |
118 |
110 |
4 |
3 |
22 |
8-18 |
408 |
280 |
690 |
DZW10I |
|
80 |
310 |
195 |
160 |
135 |
121 |
4 |
3 |
24 |
8-18 |
436 |
320 |
715 |
DZW20I |
|
100 |
350 |
230 |
190 |
160 |
150 |
4.5 |
3.5 |
24 |
8-23 |
480 |
360 |
770 |
DZW30 |
|
125 |
400 |
270 |
220 |
188 |
176 |
4.5 |
3.5 |
26 |
8-25 |
558 |
400 |
782 |
DZW45 |
|
150 |
480 |
300 |
250 |
218 |
204 |
4.5 |
3.5 |
28 |
8-25 |
611 |
400 |
875 |
DZW60 |
|
200 |
600 |
375 |
320 |
282 |
260 |
4.5 |
3.5 |
34 |
12-30 |
720 |
400 |
1160 |
DZW90I |