| |
 |
|
J21H/W型针形截止阀
|
|
【外形尺寸】
|
产品型号
|
公称压力PN(Mpa)
|
公称通径DN(mm)
|
阀体材料
|
适用介质
|
使用温度(℃)
|
主要尺寸
|
重量(kg)
|
|
D
|
L
|
L1
|
D1
|
H
|
|
J21H-16
|
1.6
|
15
|
碳钢（锻）
|
|
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-25
|
2.5
|
15
|
氨、氨液
|
≤150
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-40
|
4.0
|
15
|
水、蒸汽、油品类
|
≤400
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-16P
|
1.6
|
15
|
铬镍钛钢
|
硝酸类
|
≤100
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-25P
|
2.5
|
15
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-40P
|
4.0
|
15
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-16R
|
1.6
|
15
|
铬镍钼钛钢
|
硝酸类
|
≤100
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-25R
|
2.5
|
15
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
32
|
34
|
278
|
8
|
|
J21H-40R
|
4.0
|
15
|
16
|
186
|
26
|
22
|
220
|
4
|
|
20
|
22
|
214
|
31
|
28
|
260
|
6
|
|
25
|
27
|
236
|
| | |
