DKZ61H真空焊接闸阀适用于工作温度≤425℃和≤550℃,工作介质为水、蒸汽或空气的管路上,作为启闭装置;尤其适用于火电厂汽机冷凝和真空负压系统,起真空隔离密封作用。
公称压力
PN/Mpa Nominal pressure |
试验压力/Mpa Seal test
|
||
壳体强度试验
Shellslrenght test |
上密封试验
Back Seal test |
密封试验
Seat test |
|
2.5
|
3.8
|
2.8
|
2.8
|
4.O
|
6.0
|
4.4
|
4.4
|
6.4
|
9.6
|
70
|
7.O
|
1O.O
|
15O
|
11.O
|
11.O
|
产品类型
Product calssification |
适用介质
Applicable medium |
适用温度/℃
Applicable temperature |
NKZ61H
NKZ64H H-C型 NKZ964H H-C型 NKZ961H |
水、蒸汽、空气
Water,Steam,Air |
≤425
|
NKZ61H
NKZ64H Y-I型 NKZ964H Y-I型 NKZ961H |
水、蒸汽、空气
Water,Steam,Air |
≤550
|
公称通径
DN/mm Nominal diamecer |
公称压力
PN/MPa Nominal pressure |
主要外形尺寸和连接尺寸/mm
Main external andconnecting dimensions |
重量/kg
Weight |
|||||
L
|
H
|
D
|
D0
|
∝
|
W
|
|||
50
|
2.5
|
250
|
345
|
64
|
49
|
37o30'
|
250
|
24
|
65
|
270
|
395
|
82
|
66
|
37o30'
|
250
|
36
|
|
80
|
280
|
425
|
95
|
78
|
37o30'
|
300
|
52
|
|
100
|
300
|
51O
|
117
|
100
|
37o30'
|
300
|
67
|
|
125
|
325
|
570
|
144
|
125
|
37o30'
|
350
|
95
|
|
150
|
350
|
725
|
172
|
151
|
37o30'
|
350
|
135
|
|
200
|
400
|
820
|
223
|
201
|
37o30'
|
400
|
210
|
|
250
|
450
|
890
|
278
|
253
|
37o30'
|
450
|
300
|
|
300
|
500
|
1070
|
330
|
303
|
37o30'
|
550
|
395
|
|
350
|
550
|
1320
|
382
|
351
|
37o30'
|
650
|
530
|
|
400
|
600
|
1450
|
432
|
398
|
37o30'
|
750
|
685
|
|
450
|
650
|
1560
|
484
|
450
|
37o30'
|
750
|
906
|
|
500
|
700
|
1720
|
535
|
498
|
37o30'
|
850
|
1130
|
|
600
|
809
|
1880
|
638
|
600
|
37o30'
|
900
|
1387
|
|
700
|
900
|
2083
|
738
|
700
|
37o30'
|
950
|
1894
|
|
800
|
1OOO
|
2590
|
840
|
800
|
37o30'
|
1000
|
2621
|
|
50
|
4.0
|
250
|
345
|
64
|
48
|
37o30'
|
300
|
30
|
65
|
270
|
395
|
82
|
66
|
37o30'
|
300
|
42
|
|
80
|
280
|
425
|
95
|
78
|
37o30'
|
350
|
57
|
|
100
|
300
|
51O
|
117
|
1OO
|
37o30'
|
350
|
75
|
|
125
|
325
|
570
|
144
|
125
|
37o30'
|
400
|
105
|
|
150
|
350
|
725
|
172
|
151
|
37o30'
|
400
|
150
|
|
200
|
400
|
820
|
223
|
199
|
37o30'
|
450
|
232
|
|
250
|
450
|
890
|
278
|
251
|
37o30'
|
550
|
330
|
|
300
|
500
|
1070
|
330
|
301
|
37o30'
|
650
|
430
|
|
350
|
550
|
1320
|
382
|
349
|
37o30'
|
750
|
570
|
|
400
|
600
|
1450
|
432
|
396
|
37o30'
|
850
|
730
|
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