|
公称通径
|
阀门全开启时的流体阻力系数
|
常温下阀门全开启时的水流量系数
|
流体的流向
|
|
||||
|
DN
|
DNS
|
|||||||
|
Kv（m3／h）
|
CV（U.S）
|
CV（U.K）
|
↑
|
→
|
|
|||
|
开启压力近似值KPa
|
|
|||||||
|
50
|
5
|
2.6
|
63
|
74
|
62
|
2
|
1
|
|
|
65
|
21/2
|
2.4
|
109
|
128
|
107
|
2
|
1
|
|
|
80
|
3
|
2.3
|
172
|
201
|
169
|
2
|
1
|
|
|
100
|
4
|
2.0
|
289
|
338
|
283
|
2
|
1
|
|
|
125
|
5
|
1.8
|
476
|
557
|
466
|
2
|
1
|
|
|
150
|
6
|
1.5
|
750
|
878
|
735
|
2
|
1
|
|
|
200
|
8
|
1.3
|
1432
|
1675
|
1403
|
2
|
1
|
|
|
250
|
10
|
1.2
|
1330
|
2726
|
2283
|
2
|
1
|
|
|
300
|
12
|
1.0
|
3676
|
4301
|
3602
|
2
|
1
|
|
|
350
|
14
|
0.9
|
5274
|
6171
|
5169
|
2
|
1
|
|
|
400
|
16
|
0.8
|
7306
|
8548
|
7160
|
3
|
1
|
|
|
450
|
18
|
0.8
|
9246
|
10818
|
9061
|
3
|
1
|
|
|
500
|
20
|
0.8
|
11415
|
13356
|
11187
|
3
|
1
|
|
|
600
|
24
|
0.7
|
17573
|
20560
|
17222
|
3
|
1
|
|
|
700
|
28
|
0.7
|
23919
|
27985
|
23441
|
4
|
1
|
|
|
750
|
30
|
0.7
|
27458
|
32126
|
26909
|
4
|
1
|
|
|
800
|
32
|
0.7
|
31241
|
36552
|
30316
|
4
|
1
|
|
|
900
|
36
|
0.7
|
39539
|
46261
|
38748
|
4
|
1
|
|
|
1000
|
40
|
0.7
|
48814
|
57112
|
47838
|
4
|
1
|
|
|
1050
|
42
|
0.7
|
53817
|
62966
|
52741
|
4
|
1
|
|
|
1200
|
48
|
0.7
|
70292
|
82242
|
68886
|
4
|
1
|
|
|
压力级
|
公称通径
|
R寸Cmm）
|
|
配管法兰（供参考）
|
|||||||||
|
NPS
|
DN
|
L
|
D
|
D3
|
D2
|
重量（Kg）
|
螺栓孔中心口直径D1
|
螺栓
数量 |
螺栓直径d
|
螺栓长度L
|
|||
|
in
|
mm
|
RI
|
RJ
|
||||||||||
|
Cllass150
PN2.0MPa |
2
|
50
|
60
|
103
|
56
|
51
|
2
|
120.5
|
4
|
5/8
|
M16
|
140
|
155
|
|
21/2
|
65
|
67
|
122
|
73
|
65
|
3
|
139.5
|
4
|
5/8
|
M16
|
150
|
165
|
|
|
3
|
80
|
73
|
135
|
88
|
80
|
4
|
152.5
|
4
|
5/8
|
M16
|
160
|
175
|
|
|
4
|
100
|
73
|
173
|
108
|
102
|
6
|
190.5
|
8
|
5/8
|
M16
|
170
|
185
|
|
|
5
|
125
|
86
|
195
|
132
|
127
|
8
|
216.0
|
8
|
3/4
|
M20
|
190
|
205
|
|
|
6
|
150
|
98
|
220
|
160
|
152
|
13
|
241.5
|
8
|
3/4
|
M20
|
205
|
220
|
|
|
8
|
200
|
127
|
277
|
210
|
203
|
25
|
298.5
|
8
|
3/4
|
M20
|
240
|
255
|
|
|
10
|
250
|
146
|
337
|
266
|
254
|
39
|
362.0
|
12
|
7/8
|
M24
|
270
|
285
|
|
|
12
|
300
|
181
|
407
|
310
|
305
|
54
|
432.0
|
12
|
7/8
|
M24
|
310
|
325
|
|
|
14
|
350
|
184
|
448
|
355
|
350
|
80
|
476.0
|
12
|
1
|
M27
|
325
|
340
|
|
|
16
|
400
|
191
|
512
|
405
|
400
|
117
|
540.0
|
16
|
1
|
M27
|
340
|
355
|
|
|
18
|
450
|
203
|
547
|
455
|
450
|
138
|
578.0
|
16
|
11/8
|
M30
|
365
|
380
|
|
|
20
|
500
|
319
|
604
|
505
|
500
|
163
|
635.0
|
20
|
11/8
|
M30
|
385
|
400
|
|
|
24
|
600
|
222
|
715
|
605
|
600
|
331
|
749.5
|
20
|
3/4
|
M33
|
405
|
420
|
|
|
28
|
700
|
305
|
773
|
700
|
700
|
380
|
795.5
|
40
|
3/4
|
M20
|
455
|
-
|
|
|
30
|
750
|
305
|
824
|
750
|
746
|
425
|
846.0
|
44
|
3/4
|
M20
|
455
|
-
|
|
|
32
|
800
|
305
|
878
|
800
|
796
|
560
|
900.0
|
48
|
7/8
|
M20
|
460
|
-
|
|
|
36
|
900
|
368
|
983
|
910
|
898
|
640
|
1009.5
|
44
|
1
|
M24
|
540
|
-
|
|
|
42
|
1050
|
432
|
1142
|
1055
|
1050
|
960
|
1171.5
|
48
|
11/8
|
M27
|
625
|
-
|
|
|
48
|
1200
|
524
|
1302
|
1205
|
1200
|
1400
|
1335.0
|
44
|
5/8
|
M30
|
740
|
-
|
|
|
Class300
PN5.0MPa |
2
|
50
|
60
|
110
|
58
|
51
|
3
|
127.0
|
8
|
3/4
|
M16
|
155
|
175
|
|
21/2
|
65
|
67
|
128
|
73
|
65
|
4
|
149.0
|
8
|
3/4
|
M20
|
175
|
195
|
|
|
3
|
80
|
73
|
147
|
88
|
80
|
6
|
168.5
|
8
|
3/4
|
M20
|
190
|
210
|
|
|
4
|
100
|
73
|
179
|
10, 8
|
102
|
8
|
200.0
|
8
|
3/4
|
M20
|
195, ,
|
215
|
|
|
5
|
125
|
86
|
214
|
132
|
127
|
15
|
235.0
|
8
|
3/4
|
M20
<, /TD>
|
215
,
|
235
|
|
|
6
|
150
|
98
|
249
|
160
|
152
|
18
|
270.0
|
12
|
3/4
|
M20
|
230
|
250
|
|
|
8
|
200
|
127
|
305
|
210
|
203
|
31
|
330.0
|
12
|
7/8
|
M24
|
280
|
300
|
|
|
10
|
250
|
146
|
359
|
266
|
254
|
51
|
387.5
|
16
|
1
|
M27
|
315
|
335
|
|
|
12
|
300
|
181
|
420
|
310
|
305
|
77
|
451.0
|
16
|
11/8
|
M30
|
365
|
385
|
|
|
14
|
350
|
222
|
483
|
355
|
350
|
117
|
514.5
|
20
|
11/8
|
M30
|
410
|
430
|
|
|
16
|
400
|
232
|
537
|
405
|
400
|
190
|
571.5
|
20
|
11/4
|
M33
|
435
|
455
|
|
|
18
|
450
|
264
|
594
|
455
|
450
|
200
|
628.5
|
24
|
11/4
|
M33
|
475
|
495
|
|
|
20
|
500
|
292
|
652
|
505
|
500
|
265
|
686.0
|
24
|
11/4
|
M33
|
510
|
535
|
|
|
24
|
600
|
318
|
772
|
608
|
600
|
410
|
813.0
|
24
|
11/2
|
M39
|
560
|
585
|
|
|
30
|
750
|
368
|
882
|
740
|
735
|
660
|
921.0
|
36
|
13/8
|
M36
|
650
|
-
|
|
|
36
|
900
|
483
|
1044
|
880
|
873
|
1020
|
1089.0
|
32
|
15/8
|
M42
|
800
|
-
|
|
|
42
|
1050
|
568
|
1196
|
1045
|
1035
|
1540
|
1244.5
|
36
|
13/4
|
M45
|
920
|
-
|
|
|
48
|
1200
|
629
|
1365
|
1190
|
1179
|
2260
|
1416.0
|
40
|
17/8
|
M48
|
1010
|
-
|
|
适用介质: 水、油品、蒸气、及酸、碱、氨、尿素、含硫天然气等。
