NWA72W真空安全阀适用于温度≤
NWA72W真空负压安全阀主要零部件材料
NWA72W真空负压安全阀外形尺寸和连接尺寸
公称通径 |
尺寸 |
||||||
D |
D1 |
D2 |
Z-?d |
b |
f1 |
H |
|
15 |
95 |
65 |
45 |
4-14 |
14 |
2 |
110 |
20 |
105 |
75 |
55 |
4-14 |
16 |
2 |
130 |
25 |
115 |
85 |
65 |
4-14 |
16 |
2 |
150 |
32 |
140 |
100 |
78 |
4-18 |
18 |
2 |
180 |
40 |
150 |
110 |
85 |
4-18 |
18 |
3 |
200 |
50 |
165 |
125 |
100 |
4-18 |
20 |
3 |
221 |
80 |
200 |
160 |
135 |
4-18 |
22 |
3 |
245 |
100 |
220 |
180 |
155 |
8-18 |
22 |
3 |
253 |
125 |
250 |
210 |
185 |
8-18 |
24 |
3 |
280 |
150 |
285 |
240 |
210 |
8-23 |
24 |
3 |
329 |
200 |
340 |
295 |
265 |
8-23 |
26 |
3 |
377 |
250 |
395 |
350 |
320 |
12-23 |
28 |
3 |
440 |
公称通径
|
尺寸
|
||||||
D
|
D1
|
D2
|
Z-?d
|
b
|
f1
|
H
|
|
15
|
95
|
65
|
45
|
4-14
|
14
|
2
|
110
|
20
|
105
|
75
|
55
|
4-14
|
16
|
2
|
130
|
25
|
115
|
85
|
65
|
4-14
|
16
|
2
|
150
|
32
|
140
|
100
|
78
|
4-18
|
18
|
2
|
180
|
40
|
150
|
110
|
85
|
4-18
|
18
|
3
|
200
|
50
|
165
|
125
|
100
|
4-18
|
20
|
3
|
221
|
80
|
200
|
160
|
135
|
4-18
|
22
|
3
|
245
|
100
|
220
|
180
|
155
|
8-18
|
22
|
3
|
253
|
125
|
250
|
210
|
185
|
8-18
|
24
|
3
|
280
|
150
|
285
|
240
|
210
|
8-23
|
24
|
3
|
329
|
200
|
340
|
295
|
265
|
8-23
|
26
|
3
|
377
|
250
|
395
|
350
|
320
|
12-23
|
28
|
3
|
440
|
