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。
保温截止阀具有保温,保冷特性,适用于石油,化工,冶金,制药等行业.
产品型号 |
阀体、阀盖 |
阀 瓣 |
填 料 |
BJ45W-25P、BJ45W-40P、BJ45W-64P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
PTFE |
聚四乙稀 |
BJ45W-25P/R、BJ45W-40P、BJ45W-64P |
ZG1Cr18Ni12Mo2Ti |
1Cr18Ni12Mo2Ti |
PTFE |
聚四乙稀 |
型号 |
公称压力PN(Mpa) |
试验压力 |
适用温度 |
适用介质 |
保温套压力 |
shell |
seal |
BJ45W-25P |
2.5 |
3.75 |
2.75 |
≤200 |
Acetic urea 1 |
≤1.3 |
BJ45W-40P |
4.0 |
6.0 |
4.4 |
BJ45W-64P |
6.4 |
9.0 |
6.6 |
Acetic urea |
BJ45W-25P |
2.5 |
3.75 |
2.75 |
BJ45W-40P |
4.0 |
6.0 |
4.4 |
BJ45W-64P |
6.4 |
9.0 |
6.6 |
公称压力 |
公称通径 |
尺 寸 |
L |
D |
D1 |
D2 |
D3 |
B1 |
Fo |
b |
D6 |
3-G |
Z-Φd |
H |
H1 |
Do |
2.5 4.0 |
15 |
170 |
105 |
75 |
55 |
35 |
8 |
4 |
16 |
51 |
3/8 |
4-Φ14 |
250 |
262 |
120 |
20 |
190 |
115 |
115 |
65 |
42 |
8 |
4 |
16 |
58 |
3/8 |
4-Φ14 |
292 |
308 |
140 |
25 |
210 |
135 |
135 |
78 |
50 |
8 |
4 |
18 |
66 |
3/8 |
4-Φ18 |
340 |
375 |
160 |
32 |
230 |
145 |
145 |
85 |
60 |
8 |
4 |
18 |
76 |
3/8 |
4-Φ18 |
338 |
375 |
160 |
2.5 4.0 |
40 |
260 |
160 |
125 |
100 |
72 |
8 |
4 |
20 |
65 |
1/2 |
4-Φ18 |
360 |
386 |
160 |
50 |
300 |
180 |
145 |
120 |
94 |
8 |
4 |
22 |
88 |
1/2 |
8-Φ18 |
410 |
450 |
240 |
65 |
340 |
195 |
160 |
130 |
105 |
8 |
4 |
22 |
110 |
1/2 |
8-Φ18 |
440 |
485 |
240 |
80 |
380 |
230 |
190 |
160 |
128 |
11 |
4.5 |
24 |
121 |
1/2 |
8-Φ23 |
540 |
600 |
280 |
100 |
430 |
270 |
220 |
188 |
154 |
11 |
4.5 |
28 |
150 |
1/2 |
8-Φ25 |
560 |
625 |
320 |
125 |
|
300 |
250 |
218 |
182 |
11 |
4.5 |
30 |
176 |
1/2 |
8-Φ25 |
625 |
737 |
360 |
150 |
550 |
330 |
280 |
248 |
2 |
11 |
4.5 |
32 |
204 |
1/2 |
12-Φ25 |
720 |
790 |
360 |
6.4 |
25 |
235 |
160 |
125 |
8 |
50 |
8 |
4 |
22 |
|
1/2 |
4-Φ18 |
375 |
375 |
160 |
32 |
260 |
165 |
125 |
88 |
60 |
8 |
4 |
24 |
|
1/2 |
4-Φ23 |
383 |
383 |
160 |
50 |
300 |
200 |
160 |
130 |
|
|
4 |
26 |
110 |
1/2 |
8-Φ23 |
450 |
450 |
240 |
65 |
340 |
210 |
170 |
140 |
|
|
4 |
30 |
121 |
1/2 |
8-Φ23 |
510 |
510 |
240 |
100 |
430 |
270 |
220 |
188 |
154 |
154 |
4.5 |
36 |
|
1/2 |
8-Φ25 |
670 |
670 |
400 |
100 |
415 |
300 |
250 |
218 |
|
|
4.5 |
32 |
|
1/2 |
8-Φ25 |
670 |
670 |
400 |