|
|

旋启式止回阀
|
| ■主要性能规范
Chief property and specification |
|
试验压力(MPa) Test pressure
|
公称压力PN(MPa) Nominal Pressure
|
|
2.5
|
4.0
|
6.4
|
10.0
|
16
|
20
|
25
|
|
壳体强度试验 Shell strength test
|
3.75
|
6.0
|
9.6
|
15.0
|
24
|
30
|
38
|
|
密封试验(液) Seal test
|
2.75
|
4.4
|
7.0
|
11.0
|
17.6
|
22
|
27.5
|
|
密封试验(气) Seal test
|
0.5-0.7
|
|
适用介质 Applicable media
|
C
|
P
|
R
|
I
|
|
水 蒸汽油品 Water、steam,oil goods
|
硝酸类 Nitric acid
|
醋 酸 类 Acetc acid
|
空气、水
|
|
适用温度 Applicable temperatre
|
≤425℃
|
≤200℃
|
≤200℃
|
≤550℃
|
结构长度 Face to face :GB12221-89
法兰标准 Flange Standard :JB79 |
| ■主要外型和连接尺寸Main
Extemal and Connecting Dimensions |
|
型号
Model number
|
公称通经
Nominaldiameteter
|
主要外形和连接尺寸Main Extemal and Connecting
Dimensions
|
|
L
|
H
|
D
|
D1
|
D2
|
D6
|
b
|
f
|
f
|
z-d
|
|
2.5
|
50
|
230
|
160
|
160
|
125
|
100
|
|
20
|
3
|
4
|
4-18
|
|
65
|
290
|
175
|
180
|
145
|
120
|
|
22
|
3
|
4
|
8-18
|
|
80
|
310
|
185
|
195
|
160
|
135
|
|
22
|
3
|
4
|
8-18
|
|
100
|
350
|
220
|
230
|
190
|
160
|
|
24
|
3
|
4.5
|
8-23
|
|
125
|
400
|
248
|
270
|
220
|
188
|
|
28
|
3
|
4.5
|
8-25
|
|
150
|
480
|
276
|
300
|
250
|
218
|
|
30
|
3
|
4.5
|
8-25
|
|
200
|
550
|
350
|
360
|
310
|
278
|
|
34
|
3
|
4.5
|
12-25
|
|
250
|
650
|
410
|
425
|
370
|
332
|
|
36
|
3
|
4.5
|
12-30
|
|
300
|
750
|
430
|
485
|
430
|
390
|
|
40
|
4
|
4.5
|
16-30
|
|
350
|
850
|
518
|
550
|
490
|
448
|
|
44
|
4
|
4.5
|
16-34
|
|
400
|
950
|
560
|
610
|
550
|
505
|
|
48
|
4
|
5
|
16-34
|
|
500
|
1150
|
618
|
730
|
660
|
610
|
|
52
|
4
|
5
|
20-41
|
|
4.0
|
50
|
230
|
169
|
160
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
|
65
|
290
|
173
|
180
|
145
|
120
|
110
|
22
|
3
|
4
|
8-18
|
|
80
|
310
|
185
|
195
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
|
100
|
350
|
220
|
230
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
|
125
|
400
|
248
|
270
|
220
|
188
|
176
|
28
|
3
|
4.5
|
8-25
|
|
150
|
480
|
270
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-25
|
|
200
|
550
|
342
|
375
|
320
|
282
|
260
|
38
|
3
|
4.5
|
12-30
|
|
250
|
650
|
401
|
445
|
385
|
345
|
313
|
42
|
3
|
4.5
|
12-34
|
|
300
|
750
|
423
|
510
|
450
|
408
|
364
|
46
|
4
|
4.5
|
16-34
|
|
350
|
850
|
455
|
570
|
510
|
465
|
422
|
52
|
4
|
5
|
16-34
|
|
400
|
950
|
510
|
655
|
585
|
535
|
474
|
58
|
4
|
5
|
16-41
|
|
6.4
|
50
|
300
|
177
|
175
|
135
|
105
|
88
|
26
|
3
|
4
|
4-23
|
|
65
|
340
|
197
|
200
|
160
|
130
|
110
|
28
|
3
|
4
|
8-23
|
|
80
|
380
|
212
|
210
|
170
|
140
|
121
|
30
|
3
|
4
|
8-23
|
|
100
|
430
|
248
|
250
|
200
|
168
|
150
|
32
|
3
|
4.5
|
8-25
|
|
125
|
500
|
296
|
295
|
240
|
202
|
176
|
36
|
3
|
4.5
|
8-30
|
|
150
|
550
|
330
|
340
|
280
|
240
|
204
|
38
|
3
|
4.5
|
8-34
|
|
200
|
650
|
385
|
405
|
345
|
300
|
260
|
44
|
3
|
4.5
|
12-34
|
|
250
|
775
|
445
|
470
|
400
|
352
|
313
|
48
|
3
|
4.5
|
12-41
|
|
300
|
900
|
474
|
530
|
460
|
412
|
364
|
54
|
4
|
4.5
|
16-41
|
|
350
|
1025
|
514
|
595
|
525
|
475
|
422
|
60
|
4
|
5
|
16-41
|
|
400
|
1150
|
616
|
670
|
585
|
525
|
474
|
66
|
4
|
5
|
16-48
|
|
10.
|
50
|
300
|
210
|
195
|
145
|
112
|
88
|
28
|
3
|
4
|
4-25
|
|
65
|
340
|
227
|
220
|
170
|
138
|
110
|
32
|
3
|
4
|
8-25
|
|
80
|
380
|
235
|
230
|
180
|
148
|
121
|
34
|
3
|
4
|
8-25
|
|
100
|
430
|
274
|
265
|
210
|
172
|
150
|
38
|
3
|
4.5
|
8-30
|
|
125
|
500
|
307
|
310
|
250
|
210
|
176
|
42
|
3
|
4.5
|
8-34
|
|
150
|
550
|
347
|
350
|
290
|
250
|
204
|
46
|
3
|
4.5
|
12-34
|
|
200
|
650
|
402
|
430
|
360
|
312
|
260
|
54
|
3
|
4.5
|
12-41
|
|
250
|
775
|
432
|
500
|
430
|
382
|
313
|
60
|
3
|
4.5
|
12-41
|
|
300
|
900
|
484
|
585
|
500
|
442
|
364
|
70
|
4
|
4.5
|
16-48
|
|
16.0
|
50
|
300
|
210
|
215
|
165
|
132
|
88
|
36
|
3
|
4
|
8-25
|
|
65
|
340
|
227
|
245
|
190
|
152
|
110
|
44
|
3
|
4
|
8-30
|
|
80
|
380
|
235
|
260
|
205
|
168
|
121
|
46
|
3
|
4.5
|
8-30
|
|
100
|
430
|
274
|
300
|
240
|
200
|
150
|
48
|
3
|
4.5
|
8-34
|
|
150
|
550
|
340
|
390
|
318
|
270
|
205
|
66
|
3
|
4.5
|
12-41
|
|
200
|
650
|
374
|
480
|
400
|
345
|
250
|
78
|
3
|
4.5
|
12-48
|
|
250
|
775
|
440
|
580
|
485
|
425
|
313
|
88
|
3
|
4.5
|
12-54
|
|
300
|
900
|
505
|
665
|
570
|
510
|
364
|
100
|
3
|
4.5
|
16-54
|
|
| ■主要外型和连接尺寸Main
Extemal and Connecting Dimensions |
|
型号
Model number
|
公称通经
Nominaldiameteter
|
主要外形和连接尺寸Main Extemal and Connecting
Dimensions
|
|
L
|
D
|
D1
|
D2
|
D6
|
b
|
f
|
z-d
|
H
|
|
H44H-200
H44Y-200
H44W-200
|
50 |
300 |
210 |
160 |
128 |
70 |
40 |
3 |
8-25 |
120 |
| 65 |
340 |
260 |
203 |
165 |
97 |
48 |
3 |
8-30 |
190 |
| 80 |
380 |
290 |
230 |
190 |
116 |
54 |
3 |
8-34 |
210 |
| 100 |
430 |
360 |
292 |
245 |
138 |
66 |
3 |
8-41 |
240 |
| 150 |
550 |
440 |
260 |
305 |
190 |
82 |
3 |
12-48 |
343 |
| 200 |
650 |
535 |
440 |
380 |
245 |
92 |
3 |
12-48 |
320 |
| 250 |
775 |
670 |
572 |
508 |
319 |
110 |
3 |
16-48 |
380 |
|
| ■主要外型和连接尺寸Main
Extemal and Connecting Dimensions |
|
型号
Model number
|
公称通经
Nominaldiameteter
|
主要外形和连接尺寸Main Extemal and Connecting
Dimensions
|
|
L
|
D
|
D1
|
D2
|
D8
|
b
|
b4
|
f
|
f3
|
z-d
|
|