手动截止阀概述: 手动截止阀是一种直通式截止阀,它依靠阀杆压力,使阀瓣密封面与阀座密封面紧密结合,阴止介质流通。在启闭过程中密封面之间摩擦力小,耐磨,开启高度小,制造工艺性能好等特点。它是工业部门中使用最广泛的一种阀门。
手动截止阀特点结构: 1、与闸阀相比,截止阀的结构较简单,制造和维修都比较方便 2、密封面不易磨损、擦伤、密封性能较好,寿命较长 3、启闭时阀瓣行程较小,启闭时间较短。相比,截止阀的结构较简单,制造和维修都比较方便
手动截止阀设计与制造标准: 设计与制造:GB12233 法兰尺寸:JB/T79 GB9113 结构长度:GB12221 检验与实验:GB/T13927
手动截止阀主要外形连接尺寸:
公称压力 PN |
公称通径 DN |
主要连接尺寸 |
L |
D |
D1 |
D2 |
D6 |
b |
f |
f1 |
Z-φd |
1.6MPa |
15 |
130 |
95 |
65 |
45 |
- |
14 |
2 |
- |
4-14 |
20 |
150 |
105 |
75 |
55 |
- |
14 |
2 |
- |
4-14 |
25 |
160 |
115 |
85 |
65 |
- |
14 |
2 |
- |
4-14 |
32 |
180 |
135 |
100 |
78 |
- |
15 |
2 |
- |
4-18 |
40 |
200 |
146 |
110 |
85 |
- |
16 |
2 |
- |
4-18 |
50 |
230 |
160 |
125 |
100 |
- |
16 |
3 |
- |
4-18 |
65 |
290 |
180 |
145 |
120 |
- |
18 |
3 |
- |
4-18 |
80 |
310 |
195 |
160 |
135 |
- |
20 |
3 |
- |
8-18 |
100 |
350 |
215 |
180 |
155 |
- |
20 |
3 |
- |
8-18 |
125 |
400 |
245 |
210 |
185 |
- |
22 |
3 |
- |
8-18 |
150 |
480 |
280 |
240 |
210 |
- |
24 |
3 |
- |
8-23 |
2.5MPa |
15 |
130 |
95 |
65 |
45 |
- |
16 |
2 |
- |
4-14 |
20 |
150 |
105 |
75 |
55 |
- |
16 |
2 |
- |
4-14 |
25 |
160 |
115 |
85 |
65 |
- |
16 |
2 |
- |
4-14 |
32 |
180 |
135 |
100 |
78 |
- |
18 |
2 |
- |
4-18 |
40 |
200 |
145 |
110 |
85 |
- |
18 |
3 |
- |
4-18 |
50 |
230 |
160 |
125 |
100 |
- |
20 |
3 |
- |
4-18 |
65 |
290 |
180 |
145 |
120 |
- |
22 |
3 |
- |
8-18 |
80 |
310 |
195 |
160 |
135 |
- |
22 |
3 |
- |
8-18 |
100 |
350 |
230 |
190 |
160 |
- |
24 |
3 |
- |
8-23 |
125 |
400 |
270 |
220 |
188 |
- |
28 |
3 |
- |
8-25 |
150 |
480 |
300 |
250 |
218 |
- |
30 |
3 |
- |
8-25 |
200 |
600 |
360 |
310 |
278 |
- |
34 |
3 |
- |
12-25 |
250 |
650 |
425 |
370 |
332 |
- |
36 |
3 |
- |
12-30 |
300 |
750 |
485 |
430 |
390 |
- |
40 |
4 |
- |
16-34 |
4.0MPa |
15 |
130 |
95 |
65 |
45 |
40 |
16 |
2 |
4 |
4-14 |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
2 |
4 |
4-14 |
25 |
160 |
115 |
85 |
65 |
58 |
16 |
2 |
4 |
4-14 |
32 |
180 |
135 |
100 |
78 |
66 |
18 |
3 |
4 |
4-18 |
40 |
200 |
145 |
110 |
85 |
76 |
18 |
3 |
4 |
4-18 |
50 |
230 |
160 |
125 |
100 |
88 |
20 |
3 |
4 |
4-18 |
65 |
290 |
180 |
145 |
120 |
110 |
22 |
3 |
4 |
8-18 |
80 |
310 |
195 |
160 |
135 |
121 |
22 |
3 |
4 |
8-18 |
100 |
350 |
230 |
190 |
160 |
150 |
24 |
3 |
4.5 |
8-23 |
125 |
400 |
270 |
220 |
188 |
176 |
28 |
3 |
4.5 |
8-25 |
150 |
480 |
300 |
250 |
218 |
204 |
30 |
3 |
4.5 |
8-25 |
200 |
600 |
375 |
320 |
282 |
260 |
38 |
3 |
4.5 |
12-30 |
6.4MPa |
15 |
170 |
105 |
75 |
55 |
41 |
18 |
2 |
4 |
4-18 |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
2 |
4 |
4-18 |
25 |
210 |
135 |
100 |
78 |
58 |
22 |
2 |
4 |
4-18 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
3 |
4 |
4-23 |
40 |
260 |
165 |
125 |
95 |
76 |
24 |
3 |
4 |
4-23 |
50 |
300 |
175 |
135 |
105 |
88 |
26 |
3 |
4 |
4-23 |
65 |
340 |
200 |
160 |
130 |
110 |
28 |
3 |
4 |
8-23 |
80 |
380 |
210 |
170 |
140 |
121 |
30 |
3 |
4 |
8-23 |
100 |
430 |
250 |
200 |
168 |
150 |
32 |
3 |
4.5 |
8-25 |
150 |
550 |
340 |
280 |
240 |
204 |
38 |
3 |
4.5 |
8-34 | |