| 详细介绍：
NKZ41H真空闸阀连接形式分法兰、焊接两种，驱动方式有手动、电动两种。该阀门适用于工作温度≤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。
试验压力 Test pressure：
|
公称压力
PN/MPa
Nominal
pressure
|
试验压力/MPa Seal test
|
|
壳体强度试验
Shell strength
|
上密封试验
Back seal test
|
密封试验
Seat test
|
|
1.0
|
1.5
|
1.1
|
1.1
|
|
1.6
|
2.4
|
1.8
|
1.8
|
|
2.5
|
3.8
|
2.8
|
2.8
|
|
4.0
|
6.0
|
4.4
|
4.4
|
|
6.4
|
8.6
|
7.0
|
7.0
|
|
10.0
|
15.0
|
11.0
|
11.0
|
使用范围 Applicable：
|
产品类型
Product type
|
适用介质
Applicable medium
|
适用温度/℃
Applicable temperature
|
|
NKZ41H
NKZ44H
NKZ944H-C型
NKZ941H
|
水、蒸汽、空气
Water，Steam，Air
|
≤425
|
|
NKZ41H(Y)
NKZ44H(Y)-I型
NKZ944H(Y)-I型
NKZ941H(Y)
|
水、蒸汽、空气
Water，Steam，Air
|
≤550
|
主要零件材料 Materials for main parts：
|
零件名称
Part name
|
阀体、阀盖
Body Bonnet
|
阀杆
Stem
|
闸板
Wedge gate
|
密封面
Sealing face
|
阀杆螺母
Yokenut
|
填料
Parking
|
紧固件
Fastener
|
|
NKZ44H
NKZ41H-C型
NKZ944H-C型
NKZ941H
|
WCB
|
2Crl3
|
25
|
H：合金钢
H：alloy steel
|
铝青铜
Albronze
|
膨胀复合石墨
Expanding
comDound
graphite
|
优质碳钢
High-grade
carbon steel
|
|
NKZ44
NKZ41Y-I型
NKZ944-I型
NKZ941
|
铬钼钢
Cr.Mo steel
|
20CrlMo1VA
38CrMoAlA
|
铬钼钢
Cr.Mo steel
|
Y：硬质合金
Y：carbide alloy
|
铬钼钢
Cr.Mo steel
|
主要尺寸及重量 Main dimensions and weight：
|
公称通径
DN/mm
Nominal
diameter
|
公称压力
PN/MPa
Nominal
pressure
|
主要外形尺寸和连接尺寸/mm
Main extemal and connecting dimensions
|
阀门
重量
/kg
Valve
weight
|
附法兰尺寸/mm
Additional flange’s
dimensions
|
|
L
|
H
|
D
|
D1
|
D2
|
b
|
f
|
z-d
|
W
|
h
|
D0
|
Dn
|
|
50
|
1.0
|
250
|
345
|
160
|
125
|
1OO
|
16
|
3
|
4-18
|
250
|
28
|
45
|
49
|
58
|
|
65
|
270
|
395
|
180
|
145
|
120
|
18
|
3
|
4-18
|
250
|
40
|
48
|
64
|
75
|
|
80
|
280
|
425
|
195
|
160
|
135
|
20
|
3
|
4-18
|
300
|
55
|
50
|
78
|
97
|
|
100
|
300
|
51O
|
215
|
180
|
155
|
20
|
3
|
8-18
|
300
|
72
|
52
|
96
|
110
|
|
125
|
325
|
570
|
245
|
21O
|
185
|
22
|
3
|
8-18
|
350
|
106
|
60
|
120
|
136
|
|
150
|
350
|
725
|
280
|
240
|
21O
|
24
|
3
|
8-18
|
350
|
146
|
60
|
145
|
163
|
|
200
|
400
|
820
|
335
|
295
|
265
|
26
|
3
|
8-18
|
400
|
220
|
62
|
202
|
223
|
|
250
|
450
|
890
|
390
|
350
|
320
|
28
|
3
|
12-23
|
400
|
315
|
62
|
225
|
278
|
|
300
|
500
|
1070
|
440
|
400
|
368
|
28
|
3
|
12-23
|
450
|
398
|
65
|
303
|
330
|
|
350
|
550
|
1320
|
500
|
460
|
428
|
30
|
4
|
16-23
|
550
|
530
|
65
|
351
|
382
|
|
400
|
600
|
1450
|
565
|
515
|
482
|
32
|
4
|
16-25
|
550
|
690
|
65
|
398
|
432
|
|
450
|
650
|
1560
|
615
|
565
|
532
|
32
|
4
|
20-25
|
600
|
870
|
70
|
460
|
485
|
|
500
|
700
|
1720
|
670
|
620
|
585
|
34
|
4
|
20-25
|
650
|
1080
|
78
|
500
|
535
|
|
600
|
800
|
1880
|
780
|
725
|
685
|
36
|
5
|
20-30
|
700
|
1350
|
90
|
600
|
636
|
|
700
|
900
|
2085
|
895
|
840
|
800
|
40
|
5
|
24-30
|
750
|
1950
|
90
|
690
|
726
|
|
800
|
1OOO
|
2590
|
101O
|
950
|
905
|
44
|
5
|
24-34
|
800
|
2500
|
106
|
790
|
826
|
|
50
|
1.6
|
250
|
345
|
160
|
125
|
1OO
|
16
|
3
|
4-18
|
250
|
28
|
48
|
49
|
58
|
|
65
|
270
|
395
|
180
|
145
|
120
|
18
|
3
|
4-18
|
250
|
40
|
50
|
64
|
75
|
|
80
|
280
|
425
|
195
|
160
|
135
|
20
|
3
|
8-18
|
300
|
58
|
52
|
78
|
91
|
|
100
|
300
|
51O
|
215
|
180
|
155
|
20
|
3
|
8-18
|
300
|
75
|
52
|
96
|
110
|
|
125
|
325
|
570
|
245
|
21O
|
185
|
22
|
3
|
8-18
|
350
|
110
|
60
|
120
|
136
|
|
150
|
350
|
725
|
280
|
240
|
21O
|
24
|
3
|
8-23
|
350
|
150
|
60
|
145
|
163
|
|
200
|
400
|
820
|
335
|
295
|
265
|
26
|
3
|
12-23
|
400
|
223
|
62
|
201
|
223
|
|
250
|
450
|
890
|
405
|
355
|
320
|
30
|
3
|
12-25
|
450
|
326
|
68
|
253
|
278
|
|
300
|
500
|
1070
|
460
|
41O
|
375
|
30
|
3
|
12-25
|
550
|
432
|
70
|
303
|
330
|
|
350
|
550
|
1320
|
520
|
470
|
435
|
34
|
4
|
16-25
|
600
|
572
|
78
|
351
|
382
|
|
400
|
600
|
1450
|
580
|
525
|
485
|
36
|
4
|
16-30
|
650
|
740
|
90
|
398
|
432
|
|
450
|
650
|
1560
|
640
|
585
|
545
|
40
|
4
|
20-30
|
700
|
955
|
95
|
450
|
485
|
|
500
|
700
|
1720
|
705
|
650
|
608
|
44
|
4
|
20-34
|
750
|
1195
|
98
|
500
|
535
|
|
600
|
800
|
1880
|
840
|
770
|
718
|
48
|
5
|
20-41
|
800
|
1455
|
105
|
600
|
636
|
|
700
|
900
|
2085
|
g1O
|
840
|
788
|
50
|
5
|
24-41
|
850
|
211O
|
11O
|
690
|
726
|
|
800
|
1OOO
|
2590
|
1020
|
950
|
898
|
52
|
5
|
24-41
|
950
|
2630
|
115
|
790
|
826
|
主要尺寸及重量 Main dimensions and weight：
|
公称通径
DN/mm
Nominal
diameter
|
公称压力
PN/MPa
Nominal
pressure
|
主要外形尺寸和连接尺寸/mm
Mainexternalandconnectingdimensions
|
阀门
重量
/kg
Valve
weight
|
附法兰尺寸/mm
Additional flange’s dimensions
|
|
L
|
H
|
D
|
D1
|
D2
|
b
|
f
|
Z-d
|
W
|
h
|
DO
|
Dn
|
|
50
|
25
|
250
|
345
|
160
|
125
|
100
|
20
|
3
|
4-18
|
250
|
30
|
48
|
49
|
64
|
|
65
|
270
|
395
|
180
|
145
|
120
|
22
|
3
|
8-18
|
250
|
43
|
52
|
66
|
82
|
|
80
|
280
|
425
|
195
|
160
|
135
|
22
|
3
|
8-18
|
300
|
60
|
55
|
78
|
95
|
|
1OO
|
300
|
510
|
230
|
190
|
160
|
24
|
3
|
8-23
|
300
|
79
|
62
|
100
|
117
|
|
125
|
325
|
570
|
270
|
220
|
188
|
28
|
3
|
8-25
|
350
|
114
|
68
|
125
|
144
|
|
150
|
350
|
725
|
300
|
250
|
218
|
30
|
3
|
8-25
|
350
|
157
|
72
|
151
|
172
|
|
200
|
400
|
820
|
360
|
310
|
278
|
34
|
3
|
12-25
|
400
|
243
|
60
|
201
|
223
|
|
250
|
450
|
890
|
425
|
370
|
332
|
36
|
3
|
12-30
|
450
|
345
|
85
|
253
|
278
|
|
300
|
500
|
1070
|
483
|
430
|
390
|
40
|
4
|
16-30
|
550
|
455
|
92
|
303
|
330
|
|
350
|
550
|
1320
|
550
|
4g0
|
448
|
44
|
4
|
16-34
|
650
|
615
|
98
|
351
|
382
|
|
400
|
|
1450
|
610
|
550
|
505
|
48
|
4
|
16-34
|
700
|
7g4
|
115
|
398
|
432
|
|
450
|
650
|
1560
|
660
|
600
|
555
|
50
|
4
|
20-34
|
750
|
1018
|
115
|
450
|
483
|
|
500
|
700
|
1720
|
730
|
660
|
61O
|
52
|
4
|
20-41
|
800
|
1250
|
120
|
498
|
535
|
|
600
|
800
|
1880
|
840
|
770
|
718
|
56
|
5
|
20-41
|
850
|
1528
|
130
|
598
|
636
|
|
700
|
900
|
2085
|
955
|
875
|
815
|
60
|
5
|
24-48
|
900
|
2265
|
140
|
688
|
726
|
|
800
|
1000
|
2590
|
1070
|
990
|
930
|
64
|
5
|
24-48
|
1000
|
2847
|
150
|
788
|
826
|
|
公称通径
DN/mm
Nominal
di8m8ter
|
公称压力
PN/MPa
Nominal
pressure
|
主要外形尺寸和连接尺寸/mm
Main external and connecting dimensions
|
阀门
重量
/kg
Valve
weight
|
附法兰尺寸/mm
Additional flange’s dimensions
|
|
L
|
H
|
D
|
D1
|
D2
|
b
|
f
|
D6
|
f2
|
z-d
|
W
|
h
|
DO
|
Dn
|
|
50
|
4．0
|
250
|
345
|
160
|
125
|
100
|
20
|
3
|
88
|
4
|
4-18
|
300
|
35
|
48
|
48
|
64
|
|
65
|
270
|
395
|
180
|
145
|
120
|
22
|
3
|
11O
|
4
|
8-18
|
300
|
49
|
52
|
66
|
82
|
|
80
|
280
|
425
|
195
|
160
|
135
|
22
|
3
|
121
|
4
|
8-18
|
350
|
65
|
58
|
78
|
95
|
|
100
|
300
|
510
|
230
|
190
|
160
|
24
|
3
|
150
|
4.5
|
8-23
|
350
|
87
|
68
|
100
|
117
|
|
125
|
325
|
570
|
270
|
220
|
188
|
28
|
3
|
176
|
4.5
|
8-25
|
400
|
124
|
68
|
125
|
144
|
|
150
|
350
|
725
|
300
|
250
|
218
|
30
|
3
|
204
|
4.5
|
8-25
|
400
|
172
|
72
|
151
|
172
|
|
200
|
400
|
820
|
375
|
320
|
282
|
38
|
3
|
260
|
4.5
|
12-30
|
450
|
275
|
88
|
19g
|
223
|
|
250
|
450
|
890
|
445
|
385
|
345
|
42
|
3
|
313
|
4.5
|
12-34
|
550
|
392
|
102
|
251
|
278
|
|
300
|
500
|
1070
|
51O
|
450
|
408
|
46
|
4
|
364
|
4.5
|
16-34
|
650
|
515
|
116
|
301
|
330
|
|
350
|
550
|
1320
|
570
|
510
|
465
|
52
|
4
|
422
|
5
|
16-34
|
750
|
684
|
120
|
34g
|
382
|
|
400
|
600
|
1450
|
655
|
585
|
535
|
58
|
4
|
474
|
5
|
16-41
|
850
|
902
|
142
|
396
|
432
|
上海环耀阀门有限公司创建以来主要出售产品符合ANSI/API、JIS及GB等标准的各种流量计.液位计.流量阀.安全阀、电磁阀、调节阀、闸阀、球阀、针型阀、截止阀、止回阀、蝶阀、阻火器、排气阀、过滤器、疏水阀等 船用配件套，表阀.可根据各类用户要求按国标GB、JB、HB，美标API、ANSI，日标JIS、JPI，德标DIN等国内外标准定做。其产品均符合市、省、国家有关部门检测合格标准。
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