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。
性能范围
|
型 号 |
公称压力 |
试验压力 |
工作温度(℃) |
适用介质 |
||
|
强度(水)Mpa |
密封(水)空气(Mpa) |
低压密封(空气)Mpa |
||||
|
J41W-16P(R) |
1.6 |
2.4 |
1.8 |
0.6 |
≤200 |
NITRIC ACID |
|
硝 酸 类 |
||||||
|
J41W-25P(R) |
2.5 |
3.8 |
2.8 |
0.6 |
≤200 |
ACETIC ACID |
|
醋 酸 类 |
||||||
|
J41W-40P(R) |
4.0 |
6.0 |
4.4 |
0.6 |
≤200 |
NITRIC ACID |
|
硝 酸 类 |
||||||
|
J41W-64P(R) |
6.4 |
9.6 |
7.0 |
0.6 |
≤200 |
ACETIC ACID |
|
醋 酸 类 |
||||||
主要零件材料
|
零件名称 |
材 料Material |
|
|
Q41W-16P-25P-40R |
Q41W-16R-25P-40R |
|
|
阀体、阀盖 |
铬镍钛钢 |
铬镍钼钛钢 |
|
阀 板 |
||
|
阀 杆 |
||
|
阀杆螺母 |
铝铁青铜 |
|
|
手 轮 |
灰铸铁、可铸锻铁 |
|
主要连接尺寸和外形尺寸
|
型 号 |
公称通径 |
尺 寸(mm) |
|||||||
|
L |
D |
D1 |
D2 |
H |
b-f |
Z-Φd |
Do |
||
|
J41W-16P(R) |
15 |
130 |
95 |
65 |
45 |
170 |
16-2 |
4-14 |
120 |
|
20 |
150 |
105 |
75 |
55 |
190 |
16-2 |
4-14 |
140 |
|
|
25 |
160 |
115 |
85 |
65 |
205 |
16-2 |
4-14 |
160 |
|
|
32 |
180 |
135 |
100 |
78 |
270 |
18-2 |
4-18 |
180 |
|
|
40 |
200 |
145 |
110 |
85 |
310 |
18-3 |
4-18 |
200 |
|
|
50 |
230 |
160 |
125 |
100 |
358 |
18-3 |
4-18 |
240 |
|
|
65 |
290 |
180 |
145 |
120 |
373 |
18-3 |
4-18 |
280 |
|
|
80 |
310 |
195 |
160 |
135 |
435 |
20-3 |
8-18 |
320 |
|
|
100 |
350 |
215 |
180 |
155 |
500 |
20-3 |
8-18 |
360 |
|
|
125 |
400 |
245 |
210 |
185 |
614 |
22-3 |
8-18 |
400 |
|
|
150 |
480 |
280 |
240 |
210 |
674 |
24-3 |
8-23 |
400 |
|
|
200 |
600 |
335 |
295 |
265 |
818 |
26-3 |
12-23 |
450 |
|
|
250 |
730 |
405 |
355 |
320 |
969 |
30-3 |
12-25 |
550 |
|
主要连接尺寸和外形尺寸
|
型号 |
公称通径 DN |
尺 寸(mm) |
|||||||
|
L |
D |
D1 |
D2 |
H |
b-f |
Z-Φd |
Do |
||
|
J41W-25P(R) |
15 |
130 |
95 |
65 |
45 |
233 |
16-2 |
4-14 |
120 |
|
20 |
150 |
105 |
75 |
55 |
275 |
16-2 |
4-14 |
140 |
|
|
25 |
160 |
115 |
85 |
65 |
285 |
16-2 |
4-14 |
160 |
|
|
32 |
180 |
135 |
100 |
78 |
302 |
18-2 |
4-18 |
180 |
|
|
40 |
200 |
145 |
110 |
85 |
355 |
18-3 |
4-18 |
200 |
|
|
50 |
230 |
160 |
125 |
100 |
362 |
20-3 |
4-18 |
240 |
|
|
65 |
290 |
180 |
145 |
120 |
400 |
22-3 |
8-18 |
280 |
|
|
80 |
310 |
195 |
160 |
135 |
430 |
22-3 |
8-18 |
320 |
|
|
100 |
350 |
230 |
190 |
160 |
465 |
24-3 |
8-23 |
360 |
|
|
125 |
400 |
270 |
220 |
188 |
550 |
28-3 |
8-25 |
400 |
|
|
150 |
480 |
300 |
250 |
218 |
700 |
30-3 |
8-25 |
400 |
|
|
200 |
600 |
360 |
310 |
278 |
780 |
34-3 |
12-25 |
450 |
|
|
250 |
730 |
425 |
370 |
335 |
900 |
36-3 |
12-30 |
550 |
|
主要连接尺寸和外形尺寸
|
型号 |
公称通径 DN |
尺寸(mm) |
|||||||
|
L |
D |
D1 |
D2 |
H |
b-f |
Z-Φd |
Do |
||
|
J41W-40P(R) |
15 |
130 |
95 |
65 |
45 |
233 |
16-2 |
4-14 |
40 |
|
20 |
150 |
105 |
75 |
55 |
275 |
16-2 |
4-14 |
51 |
|
|
25 |
160 |
115 |
85 |
65 |
285 |
16-2 |
4-14 |
58 |
|
|
32 |
180 |
135 |
100 |
78 |
302 |
18-2 |
4-18 |
66 |
|
|
40 |
200 |
145 |
110 |
85 |
355 |
18-3 |
4-18 |
76 |
|
|
50 |
230 |
160 |
125 |
100 |
370 |
20-3 |
4-18 |
88 |
|
|
65 |
290 |
180 |
145 |
120 |
408 |
22-3 |
8-18 |
110 |
|
|
80 |
310 |
195 |
160 |
135 |
436 |
22-3 |
8-18 |
121 |
|
|
100 |
350 |
230 |
190 |
160 |
475 |
24-3 |
8-23 |
150 |
|
|
125 |
400 |
270 |
220 |
188 |
558 |
28-3 |
8-25 |
178 |
|
|
150 |
480 |
300 |
250 |
218 |
720 |
30-3 |
8-25 |
204 |
|
|
200 |
600 |
375 |
320 |
282 |
800 |
38-3 |
12-30 |
260 |
|
|
J41W-64P(R) |
150 |
170 |
105 |
75 |
55 |
240 |
18-2 |
4-14 |
41 |
|
20 |
190 |
125 |
90 |
68 |
280 |
20-2 |
4-18 |
51 |
|
|
25 |
210 |
135 |
100 |
78 |
290 |
22-2 |
4-18 |
58 |
|
|
32 |
230 |
150 |
110 |
82 |
325 |
24-2 |
4-23 |
66 |
|
|
40 |
260 |
165 |
125 |
95 |
360 |
24-3 |
4-23 |
76 |
|
|
50 |
300 |
175 |
135 |
105 |
410 |
26-3 |
4-23 |
88 |
|
|
65 |
340 |
200 |
160 |
130 |
430 |
28-3 |
8-23 |
110 |
|
|
80 |
380 |
210 |
170 |
140 |
465 |
30-3 |
8-23 |
121 |
|
|
100 |
430 |
250 |
200 |
168 |
537 |
32-3 |
8-25 |
150 |
|
|
125 |
500 |
295 |
240 |
202 |
630 |
36-3 |
8-30 |
176 |
|
|
150 |
550 |
340 |
280 |
240 |
790 |
38-3 |
8-34 |
204 |
|
|
200 |
650 |
405 |
345 |
300 |
910 |
44-3 |
12-34 |
260 |
|
J41W-16P截止阀｜不锈钢截止阀
不锈钢三通抗生素截止阀
J41H截止阀｜法兰高压截止阀
