截止阀的启闭件是塞形的阀瓣,密封面呈平面或锥面,阀瓣沿流体的中心线作直线运动。阀杆的运动形式,有升降杆式(阀杆升降,手轮不升降),也有升降旋转杆式(手轮与阀杆一起旋转升降,螺母设在阀体上)。截止阀只适用于全开和全关,不允许作调节和节流。
该阀门工作介质为水,蒸汽或空气的管路上,作为启闭装置;尤其适用于火电厂汽机冷凝和真空负压系统,起真空隔离密封作用.
主要尺寸及重量
公称通径DN(mm) |
尺寸(mm) |
重量(kg) |
||||
L |
D1 |
D2 |
H |
D0 |
||
DS/J61H-25(40) |
||||||
10 |
130 |
10 |
28 |
272 |
120 |
5 |
15 |
130 |
15 |
41 |
272 |
120 |
6 |
20 |
150 |
20 |
44 |
280 |
120 |
6 |
25 |
160 |
25 |
52 |
332 |
160 |
8 |
32 |
190 |
32 |
64 |
342 |
160 |
10 |
40 |
200 |
40 |
75 |
395 |
200 |
16 |
50 |
230 |
50 |
75 |
431 |
240 |
23 |
65 |
290 |
65 |
103 |
457 |
280 |
32 |
80 |
310 |
80 |
116 |
505 |
320 |
43 |
100 |
350 |
100 |
140 |
549 |
360 |
58 |
125 |
400 |
125 |
171 |
621 |
400 |
94 |
150 |
480 |
150 |
198 |
705 |
400 |
119 |
200 |
600 |
200 |
254 |
828 |
400 |
165 |
主要尺寸及重量
公称通径DN(mm) |
尺寸(mm) |
重量(kg) |
|||||||
L |
D |
D1 |
D2 |
b |
Z-φd |
H |
D0 |
||
DS/J41H-25 |
|||||||||
10 |
130 |
90 |
60 |
40 |
16 |
4-14 |
272 |
120 |
6 |
15 |
130 |
95 |
65 |
45 |
16 |
4-14 |
272 |
120 |
6 |
20 |
150 |
105 |
75 |
55 |
16 |
4-14 |
280 |
120 |
6 |
25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
332 |
160 |
10 |
32 |
190 |
135 |
100 |
78 |
18 |
4-18 |
342 |
160 |
11 |
40 |
200 |
145 |
110 |
85 |
18 |
4-18 |
395 |
200 |
17 |
50 |
230 |
160 |
125 |
100 |
20 |
4-18 |
431 |
240 |
24 |
65 |
290 |
180 |
145 |
120 |
22 |
8-18 |
457 |
280 |
33 |
80 |
310 |
195 |
160 |
135 |
22 |
8-18 |
505 |
320 |
47 |
100 |
350 |
230 |
190 |
160 |
24 |
8-23 |
549 |
360 |
62 |
125 |
400 |
270 |
220 |
188 |
28 |
8-25 |
621 |
400 |
96 |
150 |
480 |
300 |
250 |
218 |
30 |
8-25 |
703 |
400 |
128 |
200 |
600 |
360 |
310 |
278 |
34 |
12-25 |
828 |
400 |
168 |
公称通径DN(mm) |
尺寸(mm) |
重量(kg) |
|||||||||
L |
D |
D1 |
D2 |
b |
Z-φd |
D6 |
f |
H |
D0 |
||
DS/J41H-40 |
|||||||||||
10 |
130 |
90 |
60 |
40 |
16 |
4-14 |
35 |
4 |
272 |
120 |
6 |
15 |
130 |
95 |
65 |
45 |
16 |
4-14 |
40 |
4 |
272 |
120 |
7 |
20 |
150 |
105 |
75 |
55 |
16 |
4-14 |
51 |
4 |
280 |
120 |
8 |
25 |
160 |
115 |
85 |
65 |
16 |
4-14 |
58 |
4 |
332 |
160 |
10 |
32 |
190 |
135 |
100 |
78 |
18 |
4-18 |
66 |
4 |
342 |
160 |
11 |
40 |
200 |
145 |
110 |
85 |
18 |
4-18 |
76 |
4 |
395 |
200 |
17 |
50 |
230 |
160 |
125 |
100 |
20 |
4-18 |
88 |
4 |
437 |
246 |
25 |
65 |
290 |
180 |
145 |
120 |
22 |
8-18 |
110 |
4 |
457 |
280 |
34 |
80 |
310 |
195 |
160 |
135 |
22 |
8-18 |
121 |
4 |
505 |
320 |
47 |
100 |
350 |
230 |
190 |
160 |
24 |
8-23 |
150 |
4.5 |
549 |
360 |
62 |
125 |
400 |
270 |
220 |
188 |
28 |
8-25 |
176 |
4.5 |
621 |
400 |
96 |
150 |
480 |
300 |
250 |
218 |
30 |
8-25 |
204 |
4.5 |
705 |
400 |
128 |
200 |
600 |
360 |
310 |
278 |
34 |
12-25 |
DSJ61 DSJ41水封截止阀
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